CN107920507B - Granular pesticide composition - Google Patents

Granular pesticide composition Download PDF

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Publication number
CN107920507B
CN107920507B CN201680050108.9A CN201680050108A CN107920507B CN 107920507 B CN107920507 B CN 107920507B CN 201680050108 A CN201680050108 A CN 201680050108A CN 107920507 B CN107920507 B CN 107920507B
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granular
composition
active ingredient
water
pesticidal
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CN201680050108.9A
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CN107920507A (en
Inventor
山崎聪信
冈田优也
加藤贤太郎
田中龙
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Kumiai Chemical Industry Co Ltd
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Kumiai Chemical Industry Co Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/12—Powders or granules
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/10—Sulfones; Sulfoxides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N2300/00—Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The present invention addresses the problem of providing a granular pesticidal composition which contains a pesticidal active ingredient, has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and disintegrates on water within 30 minutes, and which contains the pesticidal active ingredient at a high concentration, but has good disintegration properties, is easy to produce, has low hygroscopicity, and is easy to disperse. A granular agrochemical composition for solving the problem, which comprises an agrochemical active ingredient, a surfactant, a hollow body having a particle diameter of 1 to 600 [ mu ] m, and a solid carrier, and has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, and a property of floating on water and disintegrating on water within 30 minutes, characterized in that the particle diameter of the agrochemical active ingredient is 10 [ mu ] m or more and less than 1/10 which is the minor diameter of the granular agrochemical composition.

Description

Granular pesticide composition
Technical Field
The present invention relates to a large water-floating granular pesticide composition, and more particularly to a large water-floating granular pesticide composition in which an active pesticide ingredient can be uniformly dispersed by locally and directly spreading a small amount of the composition on the water surface of a paddy field or the like.
Background
Conventionally, agricultural chemical compositions used in paddy fields and the like are generally granules, dusts, emulsions, wettable powders, and suspensions. In these agricultural chemical compositions, granules and powders are generally directly spread in an amount of 1 to 4kg in 10a paddy field without dilution in water, and in recent years, labor saving of agricultural chemical spreading has been promoted, and in order to cope with this strategy, there is a demand for an agricultural chemical composition which can be spread by increasing the content of an agricultural chemical active ingredient in the agricultural chemical composition to reduce the amount of the agricultural chemical composition to be spread, or which can be spread only by being thrown from the bank without entering the paddy field, and which can cope with labor saving spreading.
In response to such a demand, various labor-saving agricultural chemical compositions have been studied, and a technique thereof has been disclosed, and as an especially effective agricultural chemical composition, patent document 1 discloses a large water-floating granular agricultural chemical composition characterized by containing an agricultural chemical active ingredient, having a particle size distribution in which particles having a particle diameter of 3mm or more are 80% or more and a property of floating on water, and disintegrating on water within 30 minutes. The above-mentioned agricultural chemical composition has high self-diffusibility, and since the active ingredient of agricultural chemicals can be uniformly distributed over the entire paddy field by directly spreading a small amount of the agricultural chemical composition of about 250 to 500g to 10a paddy field, the composition can be spread by throwing from the bank, and it can be said that it is an ideal agricultural chemical composition for labor-saving spreading.
In order to reduce the weight of the agricultural chemical composition to be sprayed, the agricultural chemical composition to be sprayed in a labor-saving manner as in patent document 1 is a concentrated agricultural chemical composition having an increased content of an agricultural chemical active ingredient in the agricultural chemical composition. The treatment of the same amount of the pesticidal active ingredient as that of the conventional pesticidal composition is achieved with less effort by spreading the pesticidal composition in a small amount, but such a pesticidal composition has a small number of particles as a result of the spreading in a small amount and is difficult to spread uniformly. When the treatment amount of the pesticidal active ingredient is unevenly distributed at various places in the paddy field, the effect is insufficient at the place where the pesticidal active ingredient is insufficient, and the phytotoxicity may occur at the place where the pesticidal active ingredient is excessive. To overcome this problem, the agricultural chemical composition of patent document 1 is designed to provide uniformity in the paddy field by self-diffusion of the agricultural chemical active ingredient even if it is unevenly distributed by disintegrating while floating on the water surface when the paddy field is treated. That is, the pesticide composition of patent document 1 is required to be disintegrated on water surface within a short time, specifically within 30 minutes, as a premise of exhibiting its performance.
Most of the currently known pesticidal active ingredients are hydrophobic organic compounds even though they vary in size to some extent. In the pesticide composition of patent document 1, a surfactant is blended to impart a function of disintegrating on water surface, but generally, the presence of organic compound particles tends to inhibit the disintegration of the pesticide composition by the surfactant. In more detail, in order to construct a more disordered system, the organic compound particles placed in water are first dissolved in water, but in the case where dissolution is not possible or proceeds slowly due to the hydrophobicity of the organic compound itself, in order to stabilize its own thermodynamic state, the surfactant is trapped on the particle surface (if the surfactant is not present, the particles aggregate together and move in such a way as to reduce the area exposed to water), and further, as long as the organic compound particles are present, the hydrophobic group of the surfactant is adsorbed on the surface thereof, as expressed in a direction to minimize its interface with water. As a result, the surfactant occupying the surface of the organic compound particles cannot participate in the disintegration of the agricultural chemical composition, and cannot exert a disintegrating function for a desired blending purpose.
In general, the above-mentioned problems can be avoided by blending a surfactant in a remaining amount after adsorption on the pesticidal active ingredient, but setting the content of the pesticidal active ingredient in the pesticidal composition higher, the blending amount of the surfactant necessary for disintegrating the pesticidal composition is also higher. On the other hand, an agricultural chemical composition containing a large amount of a surfactant has physical limitations on the amount of the surfactant to be added, because the composition becomes a sticky mass having a very high viscosity when the raw materials are kneaded, and the composition is difficult to produce by extrusion granulation, and further, even if the composition is produced by a limited amount, the composition becomes an agricultural chemical composition that is liable to absorb moisture, and therefore spreading is inhibited. Therefore, the content of the pesticidal active ingredient in the pesticidal composition is naturally also limited.
However, in order to rapidly exert the effect of the agricultural chemical composition, the agricultural chemical active ingredient is usually finely pulverized and used as fine particles having a volume average particle diameter of, for example, less than 10 μm or less than 5 μm in consideration of dispersibility and suspendability of the agricultural chemical active ingredient in water (see, for example, patent documents 2 to 3). Thus, after a field such as a paddy field is treated with the pesticidal composition, the contact area between the pesticidal active ingredient and water present in the field is enlarged, and the pesticidal active ingredient can be dissolved in water more rapidly. The pesticide composition which is applied to the above-mentioned less-laborious application is not shown in this example, and it is common knowledge in the field of pesticide formulation technology to finely pulverize the pesticide active ingredient and then blend it.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2002-179507
Patent document 2: japanese unexamined patent publication No. 11-228305
Patent document 3: japanese unexamined patent application publication No. 2005-336170
Disclosure of Invention
Problems to be solved by the invention
The present invention has an object to provide a granular pesticidal composition which contains a pesticidal active ingredient, has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more and a property of floating on water and disintegrates on water within 30 minutes, and particularly provides the granular pesticidal composition which is a concentrated pesticidal composition having an increased content of the pesticidal active ingredient in the pesticidal composition, which is excellent in disintegration property, easy to produce, low in hygroscopicity and easy to disperse.
Means for solving the problems
As a result of intensive studies, the present inventors have found that a granular pesticidal composition in which the volume average particle diameter of the pesticidal active ingredient contained in the granular pesticidal composition is 10 μm or more and less than 1/10, which is the minor diameter of the granular pesticidal composition, can solve the above-mentioned problems, and have completed the present invention.
That is, the present invention is as follows.
[1] A granular agrochemical composition comprising an agrochemical active ingredient, a surfactant, a hollow body having a particle diameter of 1 to 600 μm, and a solid carrier, having a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, and having a property of floating on water and disintegrating on water within 30 minutes, characterized in that the particle diameter of the agrochemical active ingredient is 10 μm or more and less than 1/10 which is the minor diameter of the granular agrochemical composition.
[2] The granular pesticidal composition according to [1] above, wherein the particle diameter of the pesticidal active ingredient is 10 to 300 μm.
[3] The granular pesticidal composition according to [1] or [2], wherein the total amount of the pesticidal active ingredients is 8% by mass or more based on the total amount of the granular pesticidal composition.
[4] The granular pesticidal composition according to any one of [1] to [3], wherein the total amount of the pesticidal active ingredients is 16% by mass or more based on the total amount of the granular pesticidal composition.
[5]Above-mentioned [1]-[4]The granular pesticidal composition according to any one of the above items, wherein the pesticidal active ingredient comprises a compound selected from the group consisting of azimsulfuron, azoxystrobin, anilofos, isoprothiolane, triafamone, pyrazosulfuron, imidacloprid, indoxacarb, ethiprole, ethoxysulfuron, oxadiargyl, oxaziclomefone, carfentrazone-ethyl, carfentrazone hydrochloride, carfentrazone-ethyl, imazaquin, bensulfuron-methyl, clofenamide, cyantraniliprole, cyclosulfamuron, cycloprothrin, ethofenprox, dinotefuran, cyhalofop-butyl, isoamyl, flonicamid, triflumuron, pyrazosulfuron-ethyl, halosulfuron-methyl, pyrazosulfuron-ethyl, pyributicarbCaesalpinia pulicata, Pyrimisufan (chemical name: N- [2- [ (4, 6-dimethoxypyrimidin-2-yl) -hydroxymethyl)]-6- (methoxymethyl) phenyl]-1, 1-difluoromethanesulfonamide of formula C16H19F2N3O6S, CAS registry number: 221205-90-9), pyriminobac-methyl, pyroquilon, Fenoxasulfone (chemical name: 3- [ (2, 5-dichloro-4-ethoxyphenyl) methanesulfonyl]-4, 5-dihydro-5, 5-dimethyl-isoxazole of formula C14H17Cl2NO4S, CAS registry number: 639826-16-7), Fenquinotrione (chemical name: 2- [ 8-chloro-4- (4-methoxyphenyl) -3-oxoquinoxaline-2-carbonyl]Cyclohexane-1, 3-diones of the formula C22H17ClN2O5CAS registry number: 1342891-70-6), fentrazamide, butachlor, flucetosulfuron, pretilachlor, propyrisulfuron, probenazole, bromobutylachlor, dimehypo, bensulfuron-methyl, benzobicylon, mesotrione, bentazone, benthos-off, pentoxazone, metazosulfuron, metominostrobin and mefenacet.
[6] The granular pesticidal composition according to any one of [1] to [4], wherein the pesticidal active ingredient contains 1 or 2 or more selected from the group consisting of pyrazosulfuron-ethyl, ethiprole, oxaziclomefone, cafenstrole, chloroxamide, dinotefuran, sulfoxaflor, tefurazone, fluoroketosulam, trifluorophenylpyrimidine, halosulfuron-methyl, pyrazosulfuron-ethyl, Pyrimisulfan, pyriminobac-methyl, pyroquilon, Fenoxasulfone, Fenquinotrione, fentetraamide, bromobutyrolac, bensulfuron-methyl, benzobicyclosulfane, pyroxadim, pentoxazone, metominostrobin and mefenacet.
[7] The granular pesticidal composition according to any one of [1] to [4], wherein the pesticidal active ingredient contains 1 or 2 or more selected from the group consisting of ethiprole, cafenstrole, chloroxamide, dinotefuran, sulfoxaflor, tefurazone, pyraclonil, pyroquilon, Fenoxasulfone, Fenquinotrione, fentrazamide, bebutamid, benzobicylon, mesotrione, pentoxazone, metominostrobin and mefenacet.
[8] The granular pesticidal composition according to any one of [1] to [7], wherein the ratio of the minor axis to the major axis is from 1 to 3.
[9] The granular pesticidal composition according to any one of [1] to [8] above, which has a shape in which the particle surface comprises a curved surface.
Effects of the invention
According to the present invention, a granular pesticidal composition characterized by containing a pesticidal active ingredient, having a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, and having a property of floating on water and disintegrating on water within 30 minutes or less, is remarkably improved in disintegration property and diffusibility of the pesticidal active ingredient when applied to water, and thus can exhibit a drug effect uniformly over a wide range. In particular, the granular pesticidal composition can be provided as a concentrated pesticidal composition having an increased content of a pesticidal active ingredient in a pesticidal composition, which is excellent in disintegration property, easy to produce, low in hygroscopicity and easy to disperse.
Detailed Description
In the present specification, when referring to the particle diameter and particle size distribution of the granular pesticide composition, "short diameter" means the length of a short portion in the shape of the granular pesticide composition, and "long diameter" means the length of a long portion, specifically, the shortest and longest values measured by sandwiching any both ends of the granular pesticide composition with a vernier caliper. The term "particle size" refers to the particle size obtained by the sieving method using a sieve having a predetermined mesh size, and the term "particle size distribution" refers to the cumulative weight percentage of a predetermined particle size range obtained by the sieving method. On the other hand, when referring to the particle diameter and particle size distribution of each constituent element represented by an agricultural chemical active ingredient, "particle diameter" means the volume average diameter obtained by the Laser diffraction method, and "particle size distribution" means the cumulative volume percentage of a predetermined particle diameter range obtained by the Laser diffraction method (measured by a wet method; SK Laser Micron Sizer LMS-2000e (manufactured by セイシン)).
The granular pesticidal composition of the present invention is a granular pesticidal composition which comprises a pesticidal active ingredient, a surfactant, a hollow body and a solid carrier and is subjected to extrusion granulation, and is characterized by having a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more and a property of floating on water, and by having a disintegration time of 30 minutes or less. Such a granular pesticidal composition can be obtained by the following method: first, raw materials constituting the granular pesticide composition are mixed, a predetermined amount of water is added, the mixture is kneaded, extruded and granulated through a screen having an aperture of 3mm or more, and dried, and granular materials having a desired particle size are taken out using, for example, 2 screens having different mesh sizes.
In the granular pesticidal composition of the present invention, although a pesticidal active ingredient which is solid at ordinary temperature can be suitably used as the pesticidal active ingredient, a pesticidal active ingredient which is liquid at ordinary temperature can be similarly handled as a pesticidal active ingredient which is solid at ordinary temperature by adsorbing and supporting the pesticidal active ingredient on an oil-absorbing material. Therefore, as all or a part of the pesticidal active ingredient, a pesticidal active ingredient which is liquid at ordinary temperature may be used. In addition, in the case of using an agricultural chemical active ingredient which is liquid at ordinary temperature in the granular agricultural chemical composition of the present invention, it is necessary to use the agricultural chemical active ingredient by adsorbing it onto an oil-absorbing material. Examples of the oil-absorbing material include amorphous silica, zeolite, and porous cellulose, but are not particularly limited thereto, and materials known for their applications can be used as desired. The proportion of the oil-absorbing material is not particularly limited, and is usually 0.4 to 4 parts by mass per 1 part by mass of the pesticidal active ingredient which is liquid at ordinary temperature and is adsorbed and supported. In such a case, the pesticidal active ingredient which is liquid at ordinary temperature can be regarded as having a particle diameter equivalent to that of the oil-absorbing material used for the adsorption loading, and in the present invention, it can be regarded as such. In the present specification, the active ingredient for agricultural chemicals which is solid at room temperature and the active ingredient for agricultural chemicals which is liquid at room temperature may not be distinguished from each other, and both are simply referred to as the active ingredients for agricultural chemicals, and the definition of the particle size of the active ingredient for agricultural chemicals which is liquid at room temperature is explained based on the description in this paragraph unless otherwise specified. The following are examples of the pesticidal active ingredient that can be used in the present invention, but the present invention is not limited thereto.
[ herbicidal active ingredients ]
Ioxynil (ioxynil), aclonifen (aclonifen), acrolein (acrolein), azafenidin (azafenidin), acifluorfen (acifluorfen) (including salts with sodium and the like), azimsulfuron (azimsulfuron), asulam (asulam), acetochlor (acetochlor), atrazine (atrazine), anilofos (anilofos), amicarbazone (amicarbazazone), amidosulfuron (amisulfuron), propaquizazole (amitrole), pyrimethanil (amicarbazone-methyl), ametryn (amicarbazone), alachlor (alchlor), ametryn (alloxydim), isoxaron (isoxauron), isoxaflutolon (isoxaflufen), isoxaflutolon (isoxaflutolon), isoxaflutolon (isoxapyroxim), isoxapyroxim (isoxadine), isoxadine (isoxapyroxim) (including salts with isopropyl-mefenamic acid), isoproxil (isoxaflutolon (isoxapyroxim), isoprox (isoxam), isoproxil (isoxadifenoxim) (including salts with nicotinic acid, isoproxil), isoproxil (isoxadifenoxim), isoproxil (isoproxil), isoprothiolamide (isoproxil), isoproxil (isoproxil), isoprox, Imazamox (imazamox), imazethapyr (imazethapyr), imazosulfuron (imazosulfuron), indoxachlor (indaflam), indoxacan (indofenan), glycyrrhizazine (eglinazine-ethyl), penoxsulam (esprocarb), ethametsulfuron-methyl, ethalfluoralin (ethalfluoralin), sulfothiobac (ethidimuron), ethoxysulfuron (ethysulfuron), ethoxyfen-ethyl, ethoxyfen (ethoxyfen-ethyl, ethoxyfen-, quizalofop-P-tefuryl (quinclofos), quinophthalone (quinoclamine), quinclorac (quinmerac), cumyluron (cumyluron), clofenphos (clozyfos), glyphosate (including salts with sodium, potassium, ammonium, amine, propylamine, isopropylamine, dimethylamine or trimethylsulfonium (trimesium), glufosinate (including salts with amine or sodium, etc.), glufosinate-P-sodium (glufosinate), clethodim (clinodim), clodinafop-progyl (clodinafop-progyl), clopyralid (clopyr), clomazone (clobetasol), clobetan (clotrimonium), chlorambucil (chlorphenamine), chlorambucil (chlorphenamid (chlorphenamine), chlorambucil (chlorpyrifos), chlorambucil-P), chlorambucil (chlorpyrifos), chlorpyrifos (chlorpyrifos), chlorpyrifos (chlorpyrifos) methyl chloride), chlorpyrifos (chlorpyrifos), chlorpyrifos (chlorpyrifos) and chlorpyrifos (chlorpyrifos, Shaping alcohol (chloroflurenol-methyl), chlorpropham (chlorophlorophoron), chlorsulfuron (chlorobromouron), chlorsulfuron (chloroxuron), chlortoluron (chlorotoluron), flumeturon (saflufenacil), cyanazine (cyanazine), cyanazine (cyanamide), diuron (diuron), acetochlor (diethyl-ethyl), dicamba (dicamba) (including salts with amine, diethylamine, isopropylamine, diglycolamine, sodium or lithium, cyhalofop (cycloate), cycloxydim (cycloxydim), diclosulam (diclosulam), cyclosulfamuron (cyclosulfuron), cyclopyron (cycloviron), dicyclopentadine (diclofop-methyl), diclofop-butyl (2-ethyl), diclofop-butyl (2-ethyl), thionine (4-thionine), diclofop-methyl), thionine (4-methyl), diclofop-methyl, thidiazuron (2-methyl), diclofop-methyl, thiuron (4-methyl), thiuron (2-methyl), diclofop-methyl, thiuron (4-methyl), diclofop-methyl, diclofop-4 (4-methyl), diclofop-2, diclofop-methyl, diclofop-4, diclofop, diclo, Dinoterb, cyhalofop-butyl, diphenoyl-oxamide (diphenhydrad), difenzoquat (difenoquat), diflufenican (diflufenican), diflufenzopyr (diflufenpyrad), diflufenzopyr (diflufenzopyr), simazine (simazine), dimethenamid (dimethacyr), isofop (dimethenamid-P), dimethenamid (simetryn), dimehypo (dimethippoparate), difenoron (dimeuron), cycloheptane (cinmethylilin), swep (swep), sulcotrione (sultone), sulflurazone (dimethenazone), dimethenamid (dimethenamid), fenthiuron (dimethenamid), thiobac (fenthiflufen), thifenthiuron (fenthiuron), thiofenthiuron (fenthiuron), thiamethoxam), thifenthiuron (thiamethoxam), thifenuron (thiamethoxam), thiobensulfuron (thiobac (thiobencarb), thiuron (thion), thifenuron (thiobencarb), thiuron (thion), thiuron (thiobencarb), thiuron (bencarb), grazing amine (tebuttam), buthiuron (tebuthiuron), tepraloxydim (tepraloxydim), tefurylketone (tefuryltrione), tembotrione (tembotrione), terbuthylazine (terbuthylazine), terbutryn (terbutryn), terbutyron (terbumeton), topramezone (topramezone), tralkoxydim (tralkoxydim), triaziflam (triazaflam), triasulfuron (triasulfuron), triafamone (triafamone), triallate (triallate), triclopyr (triasulfuron), butoxyethyl triclopyr (triclopyr), triflumuron (triflusuron), triflumuron (tritosulfuron), triflumuron (triflumuron), triflumuron (triflumuron) (including (sodium, triflumuron), naproplur (sodium), naproplur (triflumuron), naproplur (sodium, etc.), naproplur (triflumuron) (including (sodium, triflumuron), naproplur-n (sodium, triflumuron) (salt thereof), naproplur-and so on (triflumuron) (salt thereof), naphalon (sodium, etc.), napropamide (sodium, etc.), naproplur-sodium salt (, Metalaxyl (vernolate), paraquat (paraquat), halauxifen-methyl (halauxifen-methyl), haloxyfop (haloxyfop-P), haloxyfop-ethyl (haloxyfop-ethyl), halosulfuron-methyl (halosulfuron-methyl), picloram (picloram), picolinafen (picolinafen), fluroxypyr (dicyclopropiozone), bispyrizone (bispyribac-sodium), pinoxaden (pinoxaden), bifenox (bifenox), piperophos (piperophos), pyrazoxynil (pyrazoxol), pyrazothion (pyrazothion-ethyl), pyrithion (pyrithion-methyl), pyrithion (pyrithion-ethyl), pyrithion-methyl (pyrithion-ethyl), pyrithion (pyrithion-n-ethyl), pyrithion (pyrithion-methyl), pyrithion (pyrithion-ethyl), pyrithion (pyrithion-methyl), pyrithion (pyrithion-pyrithion (pyrithion-methyl), pyrithion-pyrithion (pyrithion-pyrithion, Pyraflufen-ethyl (pyroxasulfone), pyroxsulam (pyroxsulam), phenisopham (phenisopham), fenuron (fenuron), Fenoxasulfone (fenoxaprop-P-ethyl), Fenquinotrione (fenpyrazone-ethyl), fentrazamide (fentrazamide), phenmedipham (phenmedipham), foramsulfuron (foralfuron), butachlor (butachlor), butafenacil (butafenacil), butafenac (butralin), butazone (butroxydim), pyrithion (fluzasulfuron), fluroxypyr (butyl-ethyl), butyl ethyl acetate (butyl-ethyl), butyl-propyl-butyl-ethyl acetate (butyl-ethyl), butyl-ethyl acetate (butyl-ethyl), butyl-ethyl-propyl-butyl-ethyl acetate (butyl-ethyl), butyl-ethyl acetate (butyl-propyl-ethyl), butyl-ethyl acetate (butyl-ethyl acetate), butyl-ethyl acetate (butyl-ethyl acetate), butyl-ethyl acetate (butyl-ethyl acetate), butyl-ethyl acetate (butyl-, Flucarbazone-sodium, flutolanil (flutriclosan), flucarbazone-sodium, flutriasulfuron (fluetosulfuron), flufenacet-methyl-sodium, flufenacet (flufenacet-methyl), flupyrsulfuron-methyl (flupyrifos), flufenacet (flufenacet), flupyridazinyl-ethyl (flufenpropathate), flufentrazole (flumetoxamate), flumioxazin (flufenacet), flumetsultap (fluridone), flurtamone (flufenacet), fluroxypyr (fludioxonil), fluroroflutolone (fludioxone), propiconazole (flufenacet), propafenone (propachlor), propafenone (flupropaferon), propafenone (propafenone), propafenone (propaferin), propaferin (propaferin), propaferin (, Bensulfuron-methyl (propaxycarbazone-sodium), clethodim (propxydim), bromacil (bromoacil), brompheniramine (bromopyrazone), prometryn (prometryn), prometon (prometon), bromoxynil (including esters with butyric acid, caprylic acid or heptanoic acid, etc.), bromophenol oxime (bromoofenoxim), bebutachlor (bromobutride), florasulam (florasulam), pethoxamid (petloxoamid), benazolin (benazolin), penoxsulam (penoxsulam), fenpyrazalone (heptabromoxycan), beflubutachlor (beflubutamide), clofenflurate (peltate), fensulfuron-methyl (bensulam), pendimethalin (penfenfluridone), bensulfuron (fenflurazone), bensulfuron (bensulfuron), bensulfuron (bensulam), bensulone (bensulide), bensulone (bensulone), bensulfen (bensulone (bensulfen-ethyl), bensulone (bensulone), bensulone (bensulbensulone), bensulone (bensulone), bensulbensulone (bensul, 2-methyl-4-chloropropionic acid (mecoprop) (including salts with sodium, potassium, isopropylamine, triethanolamine, dimethylamine, etc.), 2-methyl-4-chloropropionic acid (mecoprop-P-potassiums), mesosulfuron (mesosulfuron-methyl), mesotrione (mesotrione), metazachlor (metazachlor), metazosulfuron (metazosulfuron), methabenzthiazuron (methabenzthiazuron), metamitron (metamifop), methizozolin (methazolon), meturon (methacyluron), metoxuron (metoxuron), pyrosulfuron (metofenuron), metosulam (metosulosin), bromogluron (metosuluron), pyrosulfuron (metosulron), metosulron (metosuluron), metosulron (metosulron), metosulron (metosuluron), metosulron (sodium salt, metosuluron (iodosulfuron), metosuluron (sodium salt, metosuluron (iodosulfuron), metosuluron (sodium, metosuluron (iodofen-methyl), metosulron (metosulron), metosulron (iodofen-methyl, metosulron (metosulron), metosulron (iodofen-methyl, metosulron (metosulron), metosultrin-methyl, metosulron (metosultrin-methyl-, 3,6-TBA), 2,4, 5-trichlorophenoxyacetic acid (2,4,5-T), 2, 4-dichlorophenoxyacetic acid (2,4-D) (including salts with amines, diethylamine, triethanolamine, isopropylamine, sodium or lithium, etc.), 2, 4-D-butyric acid (2,4-DB), AE-F-150944 (code), Dinitrophenol (DNOC) (including salts with amines or sodium, etc.), dichlorphenate (EPTC), 2-methyl-4-chloro (MCPA), 2-methyl-4-chlorothioethyl ester (MCPA-thioethyl), 2-methyl-4-chlorobutyric acid (MCPB) (including sodium salt, ethyl ester, etc.), SYP-298 (code), SYP-300 (code), S-metolachlor (S), 2,2, 2-trichloroacetic acid (TCA) (including salts with sodium, calcium or ammonia, etc.).
[ insecticidal active ingredient ]
Fluthrin (acrinathrin), azadirachtin (azadirachtin), azadirachtin (azamethiphos), azathion (azinphos-ethyl), bayanphos (azinphos-methyl), acequinon (acequinocyl), acetamiprid (acetamiprid), acetofenapyr (acetoprole), acephate (acephate), azocyclotin (azocyclotin), abamectin (abamectin), azadopyropen, sulfadiazine (amidofluset), amitraz (amitraz), gossypr (alanycarb), aldicarb (aldicarb), thiamphenicol (aldaxycarb), allethrin (allethrin) [ including d-cis-trans-type, d-trans-type, chlorazol (isazofos), isadophos (isoxathion), isofenphos (isofenphos), isofenthion (isofenthion), isofenpyrathion (isofenphos), isofenthion (isofenprox), isofenprox (isofenprox), isofenprox-methyl-isofenprox (isofenprox), pyrathion, isofenprox), pyrathion (isofenprox), pyrathion, isofenprox, Ethiofencarb (ethiofencarb), ethiofencarb (ethion), ethiprole (ethiprole), dibromoethane (ethilene dibromide), etoxazole (etoxazole), ethofenprox (ethofenprox), ethoprophos (ethoprophos), ethirimos (ethimfos), emamectin benzoate (emamectin benzoate), endosulfan (endosulfan), empenthrin (empenthrin), oxamyl (oxamyl), sulphoxide (oxydemethoxide-methyl), isosulfofop (oxydeprofos), omethoate (omethionate), tefluthrin (Kappa-tefluthrin), bifenthrin (Kappa-binithrin), karanjin (karanjin), cartap (cartap) (including hydrochloride, etc.), carbaryl (carbaryl), thiocarb (carbosulfan), thiocarb (carb), thiocarb (BHkino), thiocarb (carb), thiocarb (carb), fenapyr (carb), bencarb (carb), benazoline (carb) and so-one (carb) s (carb), benazoline (carb) and (carb) or benazoline (carb) or bencarb (carb) or bencarb, bencarb (, Chromafenozide (chromafenozide), chlorantraniliprole (chlorantraniliprole), phosphorus oxychloride (chlorethoxyfos), chlordane (chlorethane), chloropicrin (chlorepicrin), chlorpyrifos (chlorethifos), chlorpyrifos (chlorefluazuron), chlorthion (chloremphos), cyanofenapyr (cyenophos), diafenthiuron (diafenthiuron), dichlofenamide (diamidafos), cyantraniliprole (cyenophos), cyenopyramide (cyenophos), fenpyrad (cyenophos), dicofos (cyenophos), fenthion (diafenthiuron), dichlofenamide (cyenophos), fenflurazone (diaphorizone), fenpyrad (cyenophos), fenphos (cyenophos), fenpropidin (cyenophos), dichlorofol (cyenophos), fenpropathrin (cyenophos-1, cyenophos (cyenophos), dicofol (cyenophos), diclosamide (cyenophos), cyenophos (cyenophos [3, cyenophos [ e, cyenophos [ e (cyenophos [ e, cyenophos [3] (cyenophos, cyenophos [ cyenophos, cyenophos [ e, cyenophos [ e (cyenophos [ e, cyenophos [ e, cy, lambda-type ], cyphenothrin (cyphenothrin) [ including (1R) -trans-type ], cyfluthrin (cyfluthrin) [ including beta-type ], diflubenzuron (diflubenzuron), cyflumetofen (cyflufenafen), flufenzine (difluvidazin), cyhexatin (cyhexatin), cypermethrin (cypermethrin) [ including alpha-type, beta-type, theta-type, zeta-type ], chlorfenvinphos (dimethyphos), transfluthrin (dimefluthrin), dimethoate (dimethoate), silafluoflufen (silate), cyromazine (cyromazine), spinetoram (spinetoram), spinosad (spinosad), spinosad (spirodiclofen), spirodiclofen (spirotetramat), spirotetramat (spirotetramat), thiamethoxam (sodium dithiocarb), thiamethoxam (sodium, thiamethoxam), thiamethoxam (sodium sulfa (sodium, thiamethoxam), thiamethoxam (sodium dithiocarbamate), thiamethoxam (thiamethoxam), thiamethoxam (thiamethoxam), thiamethoxam, Dimehypo (thiosultap), ethoprophos (thionazin), monocarb (thiofanox), thiofenphos (thiomethoron), chlorfenphos (tetrachlvinphos), tetradifenofos (tetradifon), cyhalodiamide (tetraniloprole), tefluthrin (tetrafluthrin), tetramethrin (tetramethrin), butylpyrimidine phosphate (tebutimimfos), tebufenozide (tebufenozide), tebufenpyrad (tebufenpyrad), tefluthrin (tefluthrin), teflubenzuron (teflubenzuron), demeton-S-methyl, temephos (temephos), deltamethrin (deltamethrin), pyrothrin (tefluthrin), transfluthrin (tefluthrin), triazophos (triazophos), triazophos (dinotefluthrin), triazophos (fenacetron (triazophos), triazophos (fenacetrimide (triazophos), triazophos (triazophos), triazophos (fenacetrimide), triazophos (triazophos), triazophos (triazophos), triazophos (triazopho, Bacillus punctatus (pasteurians), aphidophos (vamidothion), benzofenapyr (halfenprox), chlorfenapyr (halofenozide), bioallethrin (bioallethrin), 2-cyclopentenyl bioallethrin (bioallethrin S-cyclopropenyl), bioresmethrin (bioresmethrin), diflubenzuron (bistrifluron), hydramethylnone (hydramethylnone), bifenazate (bifenazate), bifenthrin (bifenthrin), pyrofluumide (piperonyl), pymetrozine (pymetrozine), pyrazofos (pyraclofos), pyraflufenapyr-ethyl (pyraflufenpyr), pyrithion (pyrithion), pyrifenozide (pyriproxyfen), pyriproxyfen (pyriproxyfen), pyrifenozide (pyrifenozide), pyriproxyfen (pyrifenozide), pyriproxyfen (pyriproxyfen), pyriproxyfen (pyrifenozide), pyriproxyfen (pyriproxyfen), pyrifenozide), pyriproxyfen (pyrifenozide), pyrifenozide (pyriproxyfen (pyrifenozide), pyrifenozide (pyrifenozide), pyrifenozide (pyrifenozide), pyriben), pyrifenozide (pyriben), pyrifenozide, Phenothrin [ including (1R) -trans-type ], fenobucarb (fenobucarb), fenthion (fenthion), phenthoate (phenothoate), fenvalerate (fenvalate), fenpyroximate (fenpyroximate), fenbutatin oxide (fenbutatin oxide), fenpropathrin (fenpropathrin), sulfuryl fluoride (sulfuryl fluoride), butocarb (butocarbxim), butoxycarb (butoxycarb), buprofezin (buprofezin), furacarb (furathiocarb), prallethrin (prallethrin), fenamidopropyl (flupyr), pyridalyl (flupyr), flupyrrone (flupyrrone), flucycloxuron (flufenuron), flucythrinate (flufenpyrad), flufenoxate (flufenpyrad), flufenpyrad (flufenpyrad), flufenoxafen (flufenpyrad), flufenoxate (flufenpyrad), flufenpyraflufenoxate (flufenpyrad), flufenoxafen (flufenoxafen), flufenoxafen (flufen), flufen (flufen), flufenoxafen (flufen), flufen (flufenoxafen), flufen (flufen), flufenoxafen (flufen), flufen (flufenoxafen), flufen (flufen), flufen (flufen), flufenoxafen (flufen), flufen (flufen), flufenoxafen (flufen, Prothiochos (prothiocfos), flonicamid (flonicamid), propaphos (propaphos), propargite (proparate), profenofos (profenofos), Broflanilide, proffluthrin (profluthrin), pyriproxyfen (propacetamps), propoxur (proplurur), Flometoquin (brofenpyropyte), hexythiazox (hexythiazox), hexaflumuron (hexaflumuron), Paecilomyces tenuipes (Paecilomyces), Paecilomyces fumosoroseus (Paecilomyces fumosococcus), hexythiurin (heptenophos), permethrin (permethrin), benclothothiaz, sulfothiobensultap (bensultap), phenmedilate (benoxine), fenoxacarb (carb), fenbucathion (fenthion), fenthion (fenthion), fentebuconazole (fenthion), fenthion (fenthion) (bencarb), fenthion (bencarb), fenpropathrin (bencarb), fenpropathrin (bencarb, Triazophos (mecarbam), methamphetamine (mesulfenfos), methomyl (methomyl), metaflumizone (metaflumizone), metam (metham), methiocarb (methrocarb), methidathion (methidathion), dichlofluthrin (methomyl), methomyl (methomylenozide), methothrin (methofluthrin), methomyl (methoprene), methomyl (methomyl), metoclopramide (methomyl), metocloprofen (methomylothrin), metoclopramide (methomyl), metocloprofen (methomyl), meperfluthrin (meperfluthrin), monocrotophos (methomyl), metofluthrin, metoclopramide, thiothrin-A, litlure B, aluminum (methomyl), metoclopramide (11-thionine (methomyl), thiothifluthrin (11), thionine (thionine), thionine (thionine) and (thionine) including (thionine) and (thionine) including, (Z) -11-hexadecene acetate, (Z) -9, 12-tetradecadiene acetate, (Z) -9-tetradecene-1-ol, (Z, E) -9, 11-tetradecadiene acetate, (Z, E) -9, 12-tetradecadiene acetate, Bacillus japonicus (Bacillus popilliae), Bacillus subtilis (Bacillus subtilis), Bacillus sphaericus (Bacillus sphaericus), Bacillus thuringiensis subsp.sp.griseus, Bacillus thuringiensis subsp.sp.aizawai), Bacillus thuringiensis subsp.sp.israelensis, Bacillus thuringiensis subsp.kutkitaki, Bacillus thuringiensis subsp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp.sp, CL900167 (code), dichloroisopropyl ether (DCIP), dimethyl-2, 2, 2-trichloro-1-hydroxyethylphosphonate (DEP), Dinitrophenol (DNOC), O-diethyl-O- [4- (dimethylsulfamoyl) phenyl ] -phosphorothioate (DSP), thiophosphine (EPN), nuclear polyhedrosis virus inclusion bodies, NA-85 (code), NA-89 (code), NC-515 (code), RU15525 (code), ZDI-2501 (code), XMC, Z-13-eicosen-10-one, ZXI8901 (code), ME 5382.
[ Bactericidal active ingredient ]
Epoxiconazole (azoconazole), activated ester (acibenzolar-S-methyl), azoxystrobin (azoxystrobin), dichlofluanid (anilazine), indazole (amisulbactam), ametoctradin (ametoctradin), aldimorph (aldimorph), isotianil (isotianil), isopyrazam (isopyrazam), isoprothiolamide (isoflutamide), isoprothiolane (isoprothiolane), ipconazole (ipconazole), iprodione (iprodione), iprovalicarb (iprovalicarb), iprobenfos (iprobenfos), imazalil (imazalil), imazalil (iprobenfos), imazalil (imazalil), trioctylofen (imazapine-trisulfonate), iminoctadine-trisilalate, iminoctadine acetate (iminoctadine-trisacrylate), oxazidine (epoxyazone), oxaziridine (epoxyazone), fenazaquin (epoxyazoxystrobin), fenazaquin (epoxyfenoxathion), fenazaquin (ethoxyquin), ethoxyquin (ethoxyquin), ethoxyquin (ethoxyquin), ethoxy, Oxycarboxin (oxypyroxin), oxine-copper (oxine-copper), oxytetracycline (oxytetracycline), oxpoconazole (oxpoconazole-fumarate), Quinconazole (oxolinic acid), copper octoate (copperdiisocyanate), octhiolone (octhiazolinone), furosemide (ofaracurace), orysastrobin (orysastrobin), o-phenylphenol (o-phenylphenol), kasugamycin (kasugamycin), captafol (captafol), carpropamide (carpropamide), carbendazim (carbendazim), carboxin (carboxin), carvone (carboxin), quinoxyquinoline (quinoxyfen), merlonat (chinomethionat), captan (captan), Quinconazole (Quinconazole), cyhalothrin (guanidine), cyhalothrin (cloxacarb-ethyl), cyhalothrin (cloxacarb-ethyl), cyhalothrin (cloxacarb), cyhalothrin (cloxacarb), cyhalothrin (cloxacarb), cyhalothrin (cloxacarb), cyhalothrin (cloxacarb, cy, Pyridazone (dimonomazine), niclosamide (diclonan), dichlorophen (dichlorophen), dithianon (dithianon), diniconazole (diniconazole), R-diniconazole (diniconazole-M), zineb (zineb), diniconazole (dinocap), dipyromethione, diphenylamine (diphenylamine), difenoconazole (difenoconazole), cycloflufenamide (cyflufenamid), fluoxamid (diflumetorim), cyproconazole (cyprocodin), simeconazole (simeconazole), dimemorsol (dimethirimol), dimethyldisulfide (dimethy vulule), dimethomorph (dimethomomomorph), cymoxanil (cyazone), dimoxystrobin (dimethiazole), dimethiazide (dimethiazide), thiamethoxam (fenpyrad), thiamethoxam (thiamethoxam), thiamethoxam (s (thiamethoxam), thiamethoxam (thiamethoxam), thiamethoxam (s (thiamethoxam), thiamethoxam (s, Thifluzamide (thifluzamide), tetrachloronitrobenzene (tecnazene), leaf-blight-de (tecloflutalam), tetraconazole (tetraconazole), prochloraz (debacarb), tebuconazole (tebuconazole), tebuflol (terbufonate), terbinafine (terbinafine), dodine (dodine), dodemorph (dodemorph), triadimenol (triadiminol), triadimefon (triadimifueon), imidazoxazine (triazoxide), popamide (trichlamide), chlorfenapyr (triclosan), tricyclazole (tricyclazole), triticonazole (triticonazole), tridemorph (tridemorph), triflumizole (triflumizole), trifloxystrobin (trifloxystrobin), triflumizole (trifloxystrobin), trifloxystrobin (trifloxystrobin), trifloxystrobin (thiram), thiflufenacil (thiram), thiflufenamate (thiophanate), thiofenacin), thiofenamate (thiophanate), thiofenacin), thiflufenacin (thiophanate (thiofenacin), thiuracil (thiofenacin), thiram), thiflufenamate (thiofenamate), thiram (thiram), thiflufenamate), thiram (thiram), thiram, thiflufenacil (thiram), thiram (thiram, thiflufenamate), thiram, thiflufenapyr (thiram), thiram, thiflufenapyr, thiflufenamate, thiflu, Validamycin (validamycin), validamine (valifenalate), picarbrazox, bixafen, picoxystrobin (picoxystrobin), bitertanol (bitertanol), binapacryl, biphenyl (biphenyl), pyraflufen (pipalin), hymexazol (hymexazol), pyraoxystrobin (pyraoxystrobin), pyraclostrobin (pyraclotrobin), pyrafluzid (pyrazofenozide), pyrazofos (pyrazophora), pyraclostrobin (pyrazofenoxadine), pyrimethanil (pyrazofenoxazone), pyrimethanil (pyrifenoxazone), pyribenzoxim (pyribenzoxim-zoxazone), pyrimethanil (pyribenzofenazone), pyrimethanil (pyribenzoxim-ethyl), pyrimethanil (pyribenzoxim-methyl), pyrimethanil (pyrimethanil), pyrimethanil (fenpyraclostrobin (pyrimethanil), pyrimethanil (fenpyraclostrobin (pyrimethanil), pyrimethanil (fenpyraclostrobin (pyrimethanil), pyrimethanil (fenpyraclostrobin (, Fenpropimorph (fenpropimorph), fenhexamid (fenhexamid), folpet (folpet), phthalide (phthalide), bupirimate (bupirimate), fuberidazole (fuberidazole), blastin (bleticidin-S), furametpyr (furametpyr), furametryl (furalaxyl), furoic acid (furametryl acid), fluazinam (fluazinam), fluoxastrobin (fluxastrobin), fluopyram (fluoproxil), flupyraclostrobin (fludioxonil), flupyraclostrobin (flupyraclostrobin), fludioxonil (flufenoxam), fluquinconazole (fluquinconazole), fluquinconazole (flufenpropiconazole), fluquinconazole (flufenacet), flufenacet (flufenacet), flufenacetrin (flufenacetrin), fludioxonil (flufenacetron (flufenacetrin), flufenacetron (flufenacetrin (flufen), flufenacetrin (flufen-a, flufenacetrimonide (flufenacetrimonide), flufenacetrimonide (flufen), flufenacetrimonil (flufen), flufenacetrimol (flufen), flufenacet), flufenacetrimol (flufenacet), flufenacetrimol (flu, Bronopol (bronopol), propamocarb hydrochloride (propamocarb-hydrochloride), propiconazole (propiconazole), propineb (propineb), probenazole (probenazole), bromuconazole (bromuconazole), hexaconazole (hexaconazole), benalaxyl (benalaxyl), benalaxyl-M (benalaxyl-M), benalaxyl (benalaxyl), benomyl (benomyl), pefurazoate (pefurazoate), penconazole (penconazole), pencycuron (pencycuron), benzovindiflupyr (benzovindifypyr), thiocyanogen (benthiazole), benthiavalicarb ester (benthiavalicarb-isopropyl), benthiavalicarb (prothioconazole), fenpyrad (prothioconazole), flufenacil (fenpyrad), fenacil (fenpyrad-pyrad), pyrimethanil (fenpyrad (pyrimethanil), pyrimethanil (fendinil), pyrimethanil (fendinil), pyrimethanil (fendinil), pyrimethanil, Sulfocarb (metalaxyl), metam (metam), metalaxyl (metalaxyl), metalaxyl-M (metalaxyl-M), metiram (metiram), metconazole (metconazol), metominostrobin (metominobin), metrafenone (metrafenone), mepanipyrim (mepanipyrim), diniconazole (meptyldinocap), mefenamide (mepronil), iodopropynyl butylcarbamate (iodocarb), laminarin (laminarins), phosphorous acid and salts (phophorous acid and salts), copper (copper) oxide (copper oxide), copper hydroxide (copper hydroxide), potassium bicarbonate (copper sulfate), sodium bicarbonate (CAS), sulfur sulfate (CAS), quinoline sulfate (CAS), 3- (3-5-4-butyl-5) and isothiazole (3-5-4-5-3-5-3-5-3-5-3-5-3-one, 3, 3- ((3, 4-dichloroisothiazol-5-yl) methoxy) benzo [ d ] isothiazole-1, 1-dioxide (chemical name, CAS accession No.: 957144-77-3), BAF-045 (code), BAG-010 (code), dodecyl benzene sulfonic acid bisethylenediamine copper complex salt [ II ] (DBEDC), MIF-1002 (code), triphenyltin acetate (TPTA), triphenyltin chloride (TPTC), triphenyltin hydroxide (TPTH), nonpathogenic Erwinia carotovora.
[ plant growth regulating active ingredient ]
1-methylcyclopropene (1-methylcyclopropene), 1-naphthylacetamide (1-naphthyl acetamide), 2, 6-diisopropylnaphthalene (2, 6-diisopropyyl naphthalene), 4-chlorophenoxyacetic acid (4-CPA), benzylaminopurine (benzylaminopurine), cyclopropyrimidinol (aminocyclopropanol), avitamine (aviglcycine), carvone (car)vone), chlormequat (chlormequat), clofibric acid (cyclop), clofibric acid (clofibric), clofibric acid potassium salt (clofibric-potassium), cyclamic acid (cyclanilide), cytokinin (cyclinins), butyryl hydrazine (daminozide), furoic acid (dikegulac), thionine (dimethipin), ethephon (ethephon), propionyl brassinolide (epicholone), indate (ethycholte), flutolamine (fludaratoline), fluoren butyl ester (flurenol), flurprimidol (flurprimol), carbamide (forchromron), gibberellin (gibberelin), trin (indoleacetic acid (indole), indolebutyric acid (indolebutyric acid), butanic acid (indolebutyric acid), fludioxonil (fludioxonil), piperonyl (fluben-amide), piperonyl butoxide (fluben-methyl-sulfonyl chloride (piperine), piperonyl butoxide (flubensulide (fludioxonil), fludioxonil (fluben-n-chloride (fludioxonil), flubencarb-n (fluben-one), flubenflurandrine (flubensulindac-l), flubenflurandride
Figure GDA0002948241070000201
(mepiquat chloride), n-decanol (n-decanol), paclobutrazol (paclobutrazol), prohexadione-calcium, jasmone (prohydrojasmon), azoxystrobin (sintofen), thidiazuron (thiazuron), triacontanol (triacontanol), trinexapac-ethyl (trinexapac-ethyl), uniconazole (uniconazole-P), or 4-oxo-4- (2-phenylethyl) aminobutyric acid (chemical name, CAS accession No. 1083-55-2), calcium peroxide.
Among the above-mentioned pesticidal active ingredients, azimsulfuron, azoxystrobin, anilofos, isoprothiolane, triafamoxafen, pyrazosulfuron, imidacloprid, indoxacarb, ethiprole, ethoxysulfuron, oxadiargyl, carfentrazone, cartap hydrochloride, carfentrazone-ethyl, quinozalone, bensulfuron, cloransulam, cyantraniliprole, cyclosulfamuron, cycloprothrin, dinotefuran, cyhalofop-butyl, isopropyzamide, sulfoxaflor, sifensulfuron, furazoxystrobin, flusulfamide, tricyclazole, trifluoropyrimidine, halosulfuron, pyrazosulfuron-ethyl, pyraclonil, pyrithion, pyriminobac-methyl, pyroquilon, Fenoxasulfone, fenquinophthalone, fenpropyzamide, butachlor, propyzamide, bensulsulfuron-ethyl, bensulam, bensulosin, bensultap-ethyl, Bromobutanamide, monosulfuron, bensulfuron-methyl, benzobicyclon, pyroxadim, benthos-P, pentoxazone, metazosulfuron, metominostrobin, and mefenacet can be used more preferably, in particular, pyrazosulfuron-ethyl, ethiprole, oxaziclomefone, carfentrazone, dinotefuran, flonicamid-ethyl, terfurazone, fluoroketosulam, trifluoropyrimidine, halosulfuron-methyl, pyrazosulfuron-ethyl, pyrazosulfuron, Pyrimisulfan, pyroquilon, Fenoxasulfone, Fenquinotrione, fentrazamide, bromobutyrolac, bensulfuron-methyl, bicyclosulfuron, pyrazosulfuron, pentoxazone, metominostrobilurin and mefenacet, and gelhard can be further preferably, ethiprole, carfentrazachlor, clofenamidone, flufenaminostrobilurin, fenflurazone, fentrazamide, fenflurazone, fenxasulfone, fenflurazone, fenxasulfone, fenxafen-ethyl, fenflurazone, fentrazone, fenflurazone, fenflur, The composition comprises the components of pyroxadim, pentoxazone, metominostrobin and mefenacet.
These pesticidal active ingredients may be used alone or in combination of 2 or more. The total amount of the pesticidal active ingredients is not particularly limited, and the present invention is advantageous in that even a granular pesticidal composition containing a large amount of the pesticidal active ingredients can be disintegrated on water within 30 minutes, that is, has good disintegrability, and specifically, the amount of the pesticidal composition to be mixed may be suitably 8% by mass or more, more preferably 16% by mass or more, 24% by mass or more, 30% by mass or more, and 36% by mass or more, based on the total amount of the granular pesticidal composition. Of course, the granular agrochemical composition of the present invention has good disintegrability even for a granular agrochemical composition having an agrochemical active ingredient of less than 8 parts by mass. On the other hand, the upper limit of the total amount of the pesticidal active ingredients is not particularly limited, and the pesticidal active ingredient may be at most about 80% by mass, preferably at most 75% by mass, more preferably at most 70% by mass, in consideration of the blending margin of other ingredients such as a surfactant described later.
The present inventors have discovered, as a result of development and study of a granular pesticidal composition containing a pesticidal active ingredient at a high concentration, that the disintegration of the granular pesticidal composition on water surface is unexpectedly improved as a result of using the pesticidal active ingredient without finely pulverizing the pesticidal active ingredient. The present inventors have made extensive studies based on this finding, and as a result, have found that a granular pesticidal composition having a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more and a property of floating on water surface has good disintegrability on water surface by using a pesticidal active ingredient having a coarse particle diameter.
The above-mentioned attempts, which are not based on the conventional common knowledge, do not take into consideration the fact that the effect of the pesticidal active ingredient is rapidly exhibited, which is originally the motivation for finely pulverizing the pesticidal active ingredient, and there is certainly a fear that the effect is delayed from being exhibited and the effect is lowered in the granular pesticidal composition in which the pesticidal active ingredient is not finely pulverized, but further surprisingly, the granular pesticidal composition having the above-mentioned configuration (characteristic) shows a pesticidal effect equal to or more than that of the conventional granular pesticidal composition having the same configuration (characteristic) except that the pesticidal active ingredient is finely pulverized in the field. In addition, in this test, it was found that the conventional granular agricultural chemical composition took a long time to disintegrate on the water surface, and the effect was insufficient on the windward side of the field due to the influence of the wind during the disintegration, and the chemical injury occurred on the windward side of the field, and in contrast to this, the granular agricultural chemical composition containing the agricultural chemical active ingredient having a coarse particle size exhibited a desired diffusibility due to the good disintegration on the water surface, and exhibited a uniform and good chemical effect on the entire field.
The present inventors have not made clear theories as to the reason why disintegration of a granular pesticide composition on water surface is good by using a pesticide active ingredient having a coarse particle diameter and the reason why delay in the development of an effect and reduction in the effect are not observed in the granular pesticide composition, but as to the latter, as a corollary, the following reason can be explained: the granular pesticidal composition of the present invention is a pesticidal preparation having a dynamic element and having a property of floating on water and disintegrating. As a property which conventional agricultural chemical compositions such as granules do not have, the water-floating granular agricultural chemical composition does not stay in place after treatment, but the agricultural chemical active ingredient gradually diffuses while moving by itself, and therefore, it is considered that there is a possibility that the concentration of the agricultural chemical active ingredient around itself is kept low and the agricultural chemical active ingredient not finely pulverized is rapidly eluted. The present invention is not limited to the above assumption, and in any case, it is considered that the correlation between the particle diameter of the pesticidal active ingredient and the rate of effect development is confirmed based on enormous knowledge reported in various studies in the past, and the above phenomenon contrary to this is considered to be peculiar to the water-surface-floating granular pesticidal composition of the present invention.
In the present invention, the particle diameter of the agricultural chemical active ingredient that can be used is 10 μm or more, preferably 20 μm or more, and 30 μm or more. In view of the need for uniform granulation properties in the production of the granular agricultural chemical composition, the content of the agricultural chemical active ingredient in the granular agricultural chemical composition, and the like, the agricultural chemical active ingredient having a short particle diameter of less than 1/10, preferably 300 μm or less, more preferably 100 μm or less is preferably used as the upper limit of the particle diameter. As means for obtaining the pesticidal active ingredient having a particle size suitable for the present invention, a method known to those skilled in the art can be employed. That is, when the particle size of the pesticidal active ingredient is smaller than the above range, for example, a pesticidal active ingredient having a large particle size can be prepared by dissolving the pesticidal active ingredient in an organic solvent or the like once and then recrystallizing the pesticidal active ingredient, and when the particle size of the pesticidal active ingredient is larger than the above range, the pesticidal active ingredient having a desired particle size can be obtained by crushing the pesticidal active ingredient using a mixer having a shearing force, an impact crusher or the like and then sieving the crushed pesticidal active ingredient.
In the granular agricultural chemical composition of the present invention, a surfactant may be added to disintegrate the granules on the water surface and to diffuse the agricultural chemical active ingredient in water. As the surfactant that can be used, a surfactant generally used in a pesticide composition can be used.
Specific examples of the surfactant include nonionic surfactants such as polyethylene glycol higher fatty acid esters, polyoxyethylene alkyl ethers, polyoxyethylene alkyl aryl ethers, polyoxyethylene aryl phenyl ethers, sorbitan monoalkyl esters, acetylene alcohols, and acetylene glycols, and alkylene oxide adducts thereof; alkyl aryl sulfonate, dialkyl sulfonate, lignin sulfonate, naphthalene sulfonate and condensate thereof, alkyl sulfate ester salt, alkyl phosphate ester salt, alkyl aryl sulfate ester salt, alkyl aryl phosphorusAnionic surfactants such as acid ester salts, polyoxyethylene alkyl ether sulfate salts, polyoxyethylene alkyl aryl ether sulfate salts, polyoxyethylene aryl phenyl ether sulfate salts, and polycarboxylic acid-type polymeric surfactants; tetraalkylammonium salts, alkylamines, alkylpyrimidines
Figure GDA0002948241070000231
Cationic surfactants such as salts; amphoteric surfactants such as alkyl betaine, alkyl amine oxide, alkyl imidazoline betaine, and amino acid; and silicone surfactants, fluorine surfactants, and the like. The surfactant that is liquid at room temperature can be used by being adsorbed to an oil-absorbing material such as white carbon or diatomaceous earth.
The above surfactants may be used singly or in combination of 2 or more. The total amount of these surfactants is not particularly limited, but is usually 0.1 to 15% by mass, preferably 0.5 to 12.5% by mass, and more preferably 1 to 10% by mass based on the total amount of the granular agrochemical composition.
The granular pesticidal composition of the present invention must float on the water surface. As a method for imparting water-surface floatability to a granular agricultural chemical composition, for example, a method of containing: hollow bodies having 1 or more independent air chambers, such as perlite composed of perlite or obsidian, foamed white sand composed of white sand, magnesium aluminosilicate (フィライト) sintered from an aluminosilicate system, microspheres foamed from sodium silicate or borax, pumice, granular diatomaceous earth, granular activated carbon, wood flour, cork flour, kenaf, phenol microspheres composed of phenol resin, ecological spheres composed of epoxy resin, polyurethane foam composed of polyurethane resin, microspheres composed of polyacrylonitrile resin, fly ash generated as ash at the time of thermal power generation, and the like; and a method of containing a hydrophobic substance such as stearic acid, a salt thereof, and hydrophobic white carbon, and more preferably the former method of containing a hollow body having 1 or more independent air chambers, since the plastic pellet having a thermoplastic polymer as a wall material as the hollow body is contained in a small amount of less than 5 mass% based on the total amount of the granular composition, the water-surface floating property of the granular pesticidal composition can be secured, and the by-product effect of improving the pelletization property at the time of extrusion-pelletizing of the raw material dough is also exhibited, and is particularly preferable from these viewpoints.
Examples of the thermoplastic polymer to be a wall material of the plastic ball include hard or soft vinyl polymers such as polyvinyl chloride, polyvinylidene chloride, and polyvinyl alcohol; polystyrene-based polymers such as polystyrene, high-density, medium-density or low-density polyethylene, and ethylene/vinyl acetate copolymers; non-modified polypropylene; polyacetal polymers of homopolymers or copolymers; acrylic polymers such as polymethyl methacrylate and methacrylic acid/styrene copolymer; cellulose acetate; a polycarbonate; polyester polymers such as polyethylene terephthalate; polyamide polymers such as nylon 6 and nylon 66; a thermoplastic polyurethane; fluorine-based polymers such as chlorotrifluoroethylene, tetrafluoroethylene/hexafluoropropylene copolymers, tetrafluoroethylene/perfluoroalkoxyethylene copolymers, tetrafluoroethylene/ethylene copolymers, and vinylidene fluoride, and polyacrylonitrile or polyacrylonitrile-based copolymers containing acrylonitrile as a monomer unit are preferable. Specific examples of the polyacrylonitrile-based copolymer include styrene/acrylonitrile copolymer, styrene/butadiene/acrylonitrile copolymer, vinylidene chloride/methyl methacrylate/acrylonitrile copolymer, methyl methacrylate/acrylonitrile/methacrylonitrile copolymer, methyl methacrylate/acrylonitrile copolymer, acrylonitrile/methacrylonitrile/itaconic acid copolymer, and the like. The particle diameter of the hollow body is not particularly limited, and is usually 1 to 600. mu.m, preferably 3 to 300. mu.m, and more preferably 5 to 100. mu.m.
The amount of these hollow bodies to be blended is not particularly limited as long as the granular pesticidal composition can obtain water-floating properties, but when the amount is more than necessary, the particles become brittle and are broken during storage, transportation or use, or the amount of dust generated during production is increased, which is not preferable, and therefore, the minimum amount is desirable. Therefore, the upper limit of the amount of the hollow body to be incorporated may be generally about 30% by mass or less, preferably 15% by mass or less, and more preferably 5% by mass or less, based on the total amount of the granular agrochemical composition. When the hollow bodies are plastic balls, the granular pesticidal composition can obtain water-surface floatability even at a blending amount of 5% by mass or less. The lower limit of the amount of the hollow body is 0.3 mass%, preferably 0.5 mass% or more. At a compounding ratio of less than 0.3% by mass, the granular pesticidal composition may not exhibit water-surface floatability.
Further, a solid carrier may be incorporated into the granular agricultural chemical composition of the present invention. As the solid carrier, a water-soluble carrier or a water-insoluble carrier may be used, or a combination thereof may be used. Examples of the water-soluble carrier include organic or inorganic acid salts such as ammonium sulfate, ammonium bicarbonate, ammonium nitrate, ammonium chloride, potassium chloride, sodium sulfate, magnesium sulfate, sodium citrate, sodium carbonate, and sodium bicarbonate, organic acids such as citric acid and succinic acid, sugars such as sucrose and lactose, and urea. In addition, as the water-insoluble carrier, fine mineral powders are generally used, and examples thereof include clay, calcium carbonate, bentonite, talc, diatomaceous earth, calcium stearate, and white carbon.
The solid carrier can be used alone or mixed with 2 or more. The total amount of these solid carriers is not particularly limited, and is usually 0.1 to 91.3% by mass, preferably 10 to 70% by mass, based on the total amount of the granular agrochemical composition.
The granular pesticidal composition of the present invention may contain an auxiliary as an additional component, if necessary. Examples of the adjuvant of the optional component include a chemical injury mitigating agent, an antidegradant, a binder, a disintegration aid, and the like, which are active ingredients of agricultural chemicals.
Specific examples of the phytotoxicity-reducing agent as the active ingredient of agricultural chemicals include benoxacor (benoxacor), furazolazole (furilazole), dichlormid (dichlormid), diclonone, N1, N2-diallyl-N2-dichloroacetyl glycinamide (DKA-24), jimada (AD-67), 2-dichloro-N- (1, 3-dioxan-2-ylmethyl) -N- (2-propenyl) acetamide (PPG-1292), 3-dichloroacetyl-2, 2, 5-trimethyl-1, 3-oxazolidine (R-29148), cloquintocet-mexyl (cloquintocet-mexyl), Naphthalic Anhydride (1,8-Naphthalic Anhydride), menpyrazole-mexyl (menpopyr-diethyl), pyrazolethazine (menpyrene), Mefenpyr-ethyl, and fenpyr-ethyl (fenpyrozole-oxazole-ethyl) as well as Mefenpyr-ethyl, Fenclorim (fenclorim), benoxacor (MG-191), benoxanil (cyometrinil), benoxanil (flurazole), fluxofenam (fluxofenim), isoxadifen (isoxadifen), ethyl isoxadifen-ethyl (isoxadifen-ethyl), MON4660 (code), oxanil (oxabetrinil), cyprosulfamide (cyprosulfamide), lower alkyl substituted benzoic acid, TI-35 (code), or N- (2-methoxybenzoyl) -4- [ (methylaminocarbonyl) amino ] benzenesulfonamide (chemical name, CAS accession No. 129531-12-0), and the like.
Specific examples of the antidegradant for the agricultural chemical active ingredient include drying agents such as zeolite, quicklime and magnesium oxide, antioxidants such as phenol compounds, amine compounds, sulfur compounds and phosphoric acid compounds, ultraviolet absorbers such as salicylic acid compounds and benzophenone compounds, and the like.
Specific examples of the binder include sodium carboxymethyl cellulose, dextrin, water-soluble starch, xanthan gum, guar gum, sucrose, polyvinylpyrrolidone, polyvinyl alcohol, sodium polyacrylate, and polyethylene glycol having an average molecular weight of 6000 to 20000.
Specific examples of the disintegrating agent include sodium triphosphate, sodium hexametaphosphate, metal stearate, cellulose powder, dextrin, a methacrylate copolymer, polyvinylpyrrolidone, a polyaminocarboxylic acid type chelating agent compound, a sulfonated styrene-isobutylene-maleic anhydride copolymer, a starch-polyacrylonitrile graft copolymer, and the like.
The above-mentioned adjuvants may be used singly or in combination of 2 or more. When these adjuvants are blended, the total amount of the adjuvants is usually about 0.1 to 20% by mass, preferably 0.5 to 10% by mass, based on the total amount of the granular pesticidal composition.
The granular pesticidal composition of the present invention is usually a granular composition floating on water surface containing the above-described components, and the components and the amounts thereof are adjusted so that: when the composition is prepared to have a particle size of 3mm or more, the disintegration time on water is 30 minutes or less, preferably 20 minutes or less, and more preferably 15 minutes or less. When the disintegration time exceeds 30 minutes, it is not preferable because the wind blows the granular pesticidal composition together. In order to further reduce the influence of the wind-blown aggregation, it is desirable to adjust the blending amounts of the above components so that the portion exposed to the water surface accounts for 40% or less, preferably 20% or less of the total amount of the granular pesticidal composition when the granular pesticidal composition floats on the water surface.
The process for producing the granular pesticidal composition of the present invention can be carried out according to a known method. That is, the granular pesticidal composition of the present invention can be obtained by the following steps.
[a] A step of mixing all the raw materials constituting the granular pesticidal composition to obtain a mixture;
[b] adding a predetermined amount of water to the mixture obtained in the step [ a ], and kneading the mixture;
[c] granulating the kneaded mass obtained in the step [ b ] by discharging the kneaded mass from a screen having an aperture of 3mm or more using an extrusion granulator;
[d] drying the granulated product obtained in the step [ c ]; and
[e] and (d) screening the dried granules obtained in the step (d).
In step [ a ], all raw materials constituting the granular pesticidal composition, including the pesticidal active ingredient, the surfactant, the hollow bodies and the solid carrier, are mixed. For mixing, a known mixer such as a nauta mixer or a vertical mixer can be used. All the raw materials were mixed in the mixer for a predetermined time to obtain a mixture. When an agricultural chemical active ingredient that is liquid at room temperature is used, the agricultural chemical active ingredient is previously mixed with an oil-absorbing material, adsorbed and supported on the oil-absorbing material, and then mixed with another raw material.
Subsequently, water is added to the mixture obtained in the above step [ a ] to knead it (step [ b ]). In kneading, a known kneader such as a kneader, ribbon mixer, or vertical mixer can be used. The amount of water to be added is not particularly limited, and it may be added to the mixture in an external proportion of usually about 10 to 15% by mass. This mixture is kneaded in the kneader for a predetermined time to obtain a kneaded mass.
The kneaded mass is discharged from a screen having an aperture of 3mm or more, preferably 3 to 10mm, more preferably 3 to 8mm, using an extrusion pelletizer, and pelletized (step [ c ]). The ratio of the short diameter to the long diameter of the granular pesticidal composition 1 of the present invention is preferably 1 to 3, more preferably 1 to 2. The minor diameter is preferably 3 to 10mm, more preferably 3 to 8 mm. Further, the granular agricultural chemical composition preferably has an outer shape formed by a curved surface, and by selecting such an outer shape, it is possible to prevent abrasion between the granular agricultural chemical compositions and generation of fine powder due to collision when the granular agricultural chemical composition is transported and distributed by using a power distributor or the like. As a means for imparting the above-mentioned outer shape to the granular agricultural chemical composition, for example, there is a method in which the granulated substance obtained in the above-mentioned step [ c ] is cut into a desired length, is loaded into a horizontally placed drum, and is rolled until the granulated substance has an outer shape formed of a curved surface by rotating the drum, specifically, the granulated substance is preferably formed into a shape in which at least the peripheral portions of the upper and lower surfaces of a cylinder are chamfered, and more preferably, the granulated substance has an ellipsoidal or spherical shape in which the upper and lower surfaces are further formed into curved surfaces such as a hemispherical shape.
Further, the occurrence of the fine powder can be effectively prevented by setting the compression disintegration strength of the granular agricultural chemical composition to 0.1kgf or more, preferably 0.3kgf or more per 1 granule. The compression disintegration strength is a load value at which the granules disintegrate when a load is applied to 1 granule at a constant gravitational acceleration. The compression-disintegration strength per 1 pellet can be measured by using a commonly commercially available load tester, tensile compression tester, or the like.
Subsequently, the resulting granulated product is dried (step [ d ]). The drying temperature at the time of drying the granulated product is not particularly limited, and is about 40 to 95 ℃, and the residual moisture content is usually about 0.3 to 3 mass%, preferably about 0.3 to 1.5 mass% based on the total amount of the granular agricultural chemical composition. When the moisture is in such a range, powdering and stickiness of the granular pesticidal composition can be suppressed at the same time. The specific gravity is not particularly limited, but is preferably 0.3 to 1, more preferably 0.3 to 0.5, from the viewpoint of water floating property, ease of packaging and securing the number of particles.
Finally, the dried granules are sieved to obtain dried granules having a desired particle size, thereby obtaining the granular pesticide composition of the present invention (step [ e ]). Essential elements of the granular pesticidal composition of the present invention are: the particles are contained in a large amount and have a particle size distribution such that particles having a particle size of 3mm or more account for 80% or more, preferably particles having a particle size of 3 to 10mm account for 80% or more, and particularly preferably particles having a particle size of 3 to 8mm account for 80% or more. By setting the particle size distribution as described above, even when the agent is spread from the bank, a spreading area of 5 to 50% of the total area of the paddy field can be easily obtained at a distance of 1m or more from the bank. The effect of the by-product having a particle size of 3mm or more includes the following advantages: the granule for rice seedling raising box use containing a large amount of particles having a particle diameter of usually about 0.8mm can be easily discriminated, and thus misuse can be prevented. If misuse is noticed after the treatment of the rice seedling raising box, it is also possible to float only the preparation of the present invention on the water surface by immersing the box together with the box, thereby minimizing the damage of misuse.
Examples of preferred compositions of the granular agrochemical composition of the present invention include compositions which contain 8 mass% or more of an active ingredient having an effect of application on water as a component, have a particle diameter of 3 to 8mm, a specific gravity of 0.3 to 0.5, a ratio of a minor axis to a major axis of 1 to 2, have an outer shape in which the particle surface includes a curved surface, and disintegrate within 20 minutes after being spread on water.
The method for spreading the granular pesticidal composition of the present invention described above on the water surface of a paddy field or the like is not particularly limited, and examples thereof include the following methods: a method for throwing a granular pesticide composition by holding it with a hand having a vinyl glove, a method for treating a water gap with a small amount of a granular pesticide composition while introducing water into a paddy field, a method for continuously spraying and scattering the granular pesticide composition from a spray head by using a power sprayer, a method for intermittently spraying and scattering the granular pesticide composition by instantaneously opening and closing a gate lever, a method for throwing the granular pesticide composition by using a ladle, a method for feeding the granular pesticide composition by vibrating a cylindrical container, a method for using a hand-operated granular pesticide sprayer, and a method for scattering the granular pesticide composition in a strip shape or in a spot shape by using a radio remote-controlled helicopter. Alternatively, a predetermined amount of the obtained granular pesticide composition may be packaged with a water-soluble film such as polyvinyl alcohol, and the packaged product may be put into a paddy field or the like together with a so-called jumbo formulation.
Conventionally, in rice farming in paddy fields, even when a granular agricultural chemical composition floating on water surface is locally sprayed over a period of 1 to 2 weeks after transplantation in the case of so-called early cultivation in which the transplantation time is early, algae are hardly generated in paddy fields, and the diffusion of an agricultural chemical active ingredient is good, and a desired effect is obtained. However, in so-called normal-period cultivation in which the transplanting time is 5 months or later, the water temperature is increased, algae are generally generated in the suitable period for the pesticide application, and the algae significantly inhibit the diffusion of the pesticide active ingredient, and thus the desired pesticide effect cannot be obtained in many cases. In particular, in the case where the water-floating granular pesticide composition is locally spread on a paddy field where algae are blown together, the effect of the pesticide is hardly obtained at the portion where the algae are blown together, which is a reality. Further, when the growth of rice progresses several weeks after transplantation and the water-surface floating agricultural chemical composition is locally sprayed after the rice plant grows larger, the diffusion of the agricultural chemical active ingredient is also inhibited. It can be seen that the labor-saving spreading type composition based on the premise of local spreading is a composition which is spread when the rice plant is small.
On the other hand, the granular pesticidal composition of the present invention is a water-floating granular pesticidal composition which is excellent in the diffusion of a pesticidal active ingredient and can obtain a desired pesticidal effect even in a paddy field where algae are produced or a paddy field where rice plants grow to a certain extent, and by spreading the composition at a specific position in a paddy field and in a specific area, the pesticidal active ingredient can be uniformly spread without substantially impairing the labor saving property at the time of pesticide spreading. That is, the diffusible granular pesticide composition of the present invention, in which particles having a particle size of 3mm or more account for 80% or more, float on the water surface, and disintegrate on the water surface within 30 minutes, is scattered and spread over a distance of 1m or more, preferably 2m or more, from the bank (side of the field) of a paddy field filled with water, over an area of 5 to 50%, preferably 10 to 50%, of the total area of the paddy field, thereby uniformly spreading the pesticide active ingredient in the paddy field.
It should be noted that there is no problem even if the granular pesticide composition of the present invention is spread over 50% or more of the total area of the paddy field, but this is meaningless from the viewpoint of labor-saving pesticide spreading, and it is preferably spread over 50% or less of the area. Furthermore, it is needless to say that the granular pesticidal composition of the present invention can achieve a desired pesticidal effect by achieving good diffusion of the pesticidal active ingredient in paddy fields in which no algae are formed, paddy fields before transplantation, and paddy fields with small rice plants.
Examples
The present invention will be described in detail below with reference to examples, but the present invention is not limited to these examples. In the following examples, parts are parts by mass.
[ example 1]
A mixture of pesticidal active ingredients (particle size: 20.2 μm) comprising 2 parts of Pyrimisulfan, 12 parts of Fenquinotrione and 12 parts of fentrazamide, 5 parts of an arylsulfonate formaldehyde condensate, 3 parts of an arylsulfonate, 3 parts of a polyacrylate, 5 parts of a phosphate crosslinked starch, 2 parts of a polyoxyalkylene alkynyl glycol ether, 2 parts of a plastic pellet, 15 parts of diatomaceous earth, 5 parts of bentonite and 34 parts of clay were mixed, kneaded with a predetermined amount of water, and then extruded through a screen having a mesh diameter of 3mm to form pellets, and cut into a length of about 6mm with a spatula. The obtained granules were put into a horizontally placed drum, rotated to roll the granules until the granules had a curved shape, dried with hot air, and sieved to obtain a granular pesticidal composition having a short diameter of 3mm and containing 26 mass% of a pesticidal active ingredient. The granular agrochemical composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and requires 2 minutes for disintegration on water.
[ example 2]
A mixture of pesticidal active ingredients (particle diameter: 14.1 μm) comprising 2 parts of Pyrimisulfan, 8 parts of Fenoxasulfone and 12 parts of mesotrione, 2 parts of an arylsulfonate, 2 parts of a polyacrylate, 1 part of a carboxymethylcellulose salt, 5 parts of a cross-linked starch phosphate, 2 parts of a polyoxyalkylene alkynyl glycol ether, 3 parts of a polyalkylene glycol, 2 parts of a plastic pellet, 15 parts of diatomaceous earth, 5 parts of bentonite and 41 parts of clay were mixed, kneaded with a predetermined amount of water, and then pelletized by extrusion through a sieve having a mesh diameter of 5mm, and cut into pellets having a length of about 10mm with a doctor blade. The obtained granules were put into a horizontally placed drum, rotated to roll the granules until the granules had a curved shape, and then dried with hot air to obtain a granular pesticidal composition having a short diameter of 5mm and containing 22 mass% of a pesticidal active ingredient. The granular agrochemical composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and requires 6 minutes for disintegration on water.
[ example 3]
48 parts of pyroquilon (particle diameter: 17.7 μm), 8 parts of an arylsulfonate, 1 part of a polyoxyalkylene aryl ether sulfate, 1 part of a polyoxyalkylene alkyl ether, 2 parts of a polyoxyalkylene alkynyl glycol ether, 3 parts of bentonite, 1 part of urea, 3 parts of dextrin, 1 part of a plastic ball and 32 parts of calcium carbonate were mixed, kneaded with a predetermined amount of water, and then cut into a length of about 10mm by a doctor blade while extruding and granulating through a sieve having a mesh diameter of 5 mm. The obtained granules were put into a horizontally placed drum, rotated to roll the granules until they had a curved shape, and then dried with hot air to obtain a granular pesticidal composition having a short diameter of 5mm and containing 48 mass% of a pesticidal active ingredient. The granular agrochemical composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and requires 15 minutes for disintegration on water.
[ example 4]
A granular pesticidal composition having a short diameter of 5mm, which contained 48 mass% of the pesticidal active ingredient, was obtained in the same manner as in example 3, except that the pesticidal active ingredient was 48 parts (particle diameter: 84.5 μm) of the pyroquilon. The granular agrochemical composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and requires 3 minutes for disintegration on water.
[ example 5]
A granular pesticidal composition having a short diameter of 5mm, which contained 48 mass% of the pesticidal active ingredient, was obtained in the same manner as in example 3, except that the pesticidal active ingredient was changed to 48 parts (particle diameter: 10 μm). The granular agrochemical composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and requires 11 minutes for disintegration on water.
Comparative example 1
A granular agrochemical composition having a short diameter of 3mm and containing 26 mass% of the agrochemical active ingredient was obtained in the same manner as in example 1 except that an agrochemical active ingredient mixture (particle diameter: 3.2 μm) was prepared in which the agrochemical active ingredient was composed of Pyrimisulfan 2 parts, Fenquinotrione 12 parts and fentrazamide 12 parts. The granular pesticide composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and requires 30 minutes or more for disintegration on water.
Comparative example 2
A granular agrochemical composition having a short diameter of 5mm and containing 22 mass% of the agrochemical active ingredient was obtained in the same manner as in example 2 except that a mixture of agrochemical active ingredients (particle size: 2.6 μm) was prepared in which the agrochemical active ingredients were 2 parts Pyrimisulfan, 8 parts Fenoxasulfone and 12 parts mesotrione. The granular pesticide composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and requires 30 minutes or more for disintegration on water.
Comparative example 3
A granular pesticidal composition having a short diameter of 5mm, which contained 48 mass% of the pesticidal active ingredient, was obtained in the same manner as in example 3, except that the pesticidal active ingredient was 48 parts (particle diameter: 8.0 μm). The granular agrochemical composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and is divided into a large number of small pieces on water for 25 minutes at most, but it takes 30 minutes or more to disintegrate on water.
Comparative example 4
A granular pesticidal composition having a short diameter of 5mm, which contained 48 mass% of the pesticidal active ingredient, was obtained in the same manner as in example 3, except that the pesticidal active ingredient was 48 parts (particle diameter: 6.2 μm) of the pyroquilon. The granular pesticide composition has a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, has a property of floating on water, and has an outer shape in which the ratio of the minor axis to the major axis is about 2 and the particle surface includes a curved surface, and does not disintegrate on water.
[ test example 1] diffusibility test
The water surface was treated with 1 each (about 75mg) of the granular pesticidal compositions of example 1 and comparative example 1. Then, water at the treatment site and a site 4m from the treatment site was sampled with time, and the diffusibility of the granular pesticide composition was evaluated using the concentration of fentrazamide in the sampled water as an index. The results are shown in Table 1.
[ Table 1]
Figure GDA0002948241070000321
The granular agrochemical compositions of the examples rapidly transported the agrochemical active ingredient from the treatment site to a position away from the treatment site, and exhibited superior diffusibility as compared with the granular agrochemical compositions of the comparative examples.
[ test example 2] drug efficacy and phytotoxicity test
Cultivating 0.25m × 8m field, sowing Iris lactea (イヌホタルイ (Scirpus juncoides Roxb. var. ohwianus T. Koyama)) seeds, transplanting rice seedlings at 2.1 leaf stage, filling water to 4cm, and maintaining the water depth of 4cm until the test is finished. The waterside of 1 side of the short side of the above field plot was treated with a total amount of 250mg of the granular pesticidal composition of example 2 and comparative example 2. The investigation was conducted 7 days after, 14 days after and 21 days after the treatment with the granular pesticidal composition, and the degree of the effect on japanese iris (herbicidal effect) and the phytotoxicity on rice (growth inhibition) was evaluated exponentially at respective distances from the treatment site on a scale of 101 from an index of 0 (no effect or no phytotoxicity) to an index of 100 (complete death). The results are shown in tables 2 and 3.
[ Table 2]
Figure GDA0002948241070000331
[ Table 3]
Figure GDA0002948241070000332
The granular pesticidal compositions of the examples exhibited herbicidal effects equivalent to or greater than those of the comparative examples even in the vicinity of the treatment site, and exhibited herbicidal effects even up to a position distant from the treatment site. In addition, although symptoms of phytotoxicity were found in the vicinity of the treatment site, the degree of phytotoxicity of the granular pesticide compositions of the examples was slightly lower than that of the granular pesticide compositions of the comparative examples.
Industrial applicability
According to the present invention, a granular pesticidal composition characterized by containing a pesticidal active ingredient, having a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, and having a property of floating on water and disintegrating on water within 30 minutes or less, is remarkably improved in disintegration property and diffusibility of the pesticidal active ingredient when applied on water, and thus can exhibit a drug effect uniformly over a wide range. In particular, the granular agrochemical composition described above, which is a concentrated agrochemical composition having an increased content of an agrochemical active ingredient in the agrochemical composition, can provide a granular agrochemical composition which is excellent in disintegration property, easy to produce, low in hygroscopicity and easy to disperse.

Claims (5)

1. A granular agrochemical composition characterized by comprising an agrochemical active ingredient, a surfactant, a hollow body having a particle diameter of 1 to 600 μm, and a solid carrier, having a particle size distribution in which particles having a particle diameter of 3mm or more account for 80% or more, and having a property of floating on water and disintegrating on water within 30 minutes, wherein 1/10 which is 10 μm or more and less than 100 μm in particle diameter and less than the short diameter of the granular agrochemical composition,
the pesticide active ingredients are selected from 1 or more than 2 of Pyrimisulfan, Fenquinotrione, fentrazamide, Fenoxasulfone, benzobicylon and pyroquilon.
2. The granular agrochemical composition as claimed in claim 1, wherein the total amount of the agrochemical active ingredients is 8% by mass or more based on the total amount of the granular agrochemical composition.
3. The granular agrochemical composition as claimed in claim 2, wherein the total amount of the agrochemical active ingredients is 16% by mass or more based on the total amount of the granular agrochemical composition.
4. The granular pesticidal composition according to any one of claims 1 to 3, wherein the ratio of the minor axis to the major axis is from 1 to 3.
5. The granular pesticidal composition according to any one of claims 1 to 3, which has a shape in which the particle surface comprises a curved surface.
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