CN107517985A - A kind of herbicidal composition - Google Patents

A kind of herbicidal composition Download PDF

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Publication number
CN107517985A
CN107517985A CN201710660589.1A CN201710660589A CN107517985A CN 107517985 A CN107517985 A CN 107517985A CN 201710660589 A CN201710660589 A CN 201710660589A CN 107517985 A CN107517985 A CN 107517985A
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Prior art keywords
active component
herbicidal composition
weight
pretilachlor
mesotrione
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CN201710660589.1A
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Chinese (zh)
Inventor
李冰清
李玉洁
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Anhui Saint Fung Biochemical Co Ltd
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Anhui Saint Fung Biochemical Co Ltd
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Priority to CN201710660589.1A priority Critical patent/CN107517985A/en
Publication of CN107517985A publication Critical patent/CN107517985A/en
Pending legal-status Critical Current

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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
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • 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

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

Abstract

The invention discloses a kind of herbicidal composition, including contain pyraclonil, mesotrione, the first active component of pretilachlor and the second active component containing orthosulfamuron；Both weight accountings in herbicidal composition are (1% 20%)：(1% 60%)；Pyraclonil in first active component, mesotrione, the weight accounting of pretilachlor three are (1% 40%)：(1% 40%)：(1% 60%)；The accumulating weight of first active component and the second active component is 2% the 70% of herbicidal composition gross weight, preferably 10% 50%.The present invention to herbicidal composition component accounting by optimizing, expand herbicidal spectrum, herbicidal effect is notable, medicament, which is administered alone, in contrast obvious synergistic effect, grassy weed, broad leaved weed and the sedge weed in transplanting rice field are prevented and kill off in disposable dispenser, reduce spraying times, cost-effective, reduce weeds and produce the risk of resistance, and reduce the pollution to environment.

Description

A kind of herbicidal composition
Technical field
It is annual for preventing and treating transplanting rice field more particularly to one kind the present invention relates to a kind of herbicidal composition Weeds and the herbicidal composition of barnyard grass.
Background technology
Pyraclonil belongs to new double pyrazole class herbicide for paddy field, and the mechanism of action is the suppression of proporphyrinogen oxidase Agent, it is a kind of contact killing type herbicide.Can effectively prevent and kill off all kinds of weeds, including barnyard grass, difformed galingale herb, pasture and water, arrowhead, Monochoria korsakowii, Dichotomous fimbristylis herb, wild water chestnut, Monochoria vaginalis etc. and the weeds resistant to sulfonylurea herbicide.
Mesotrione is before a kind of bud that can suppress medical midbodies of para (ortho)-hydroxybenzoic acetone acid esters dual oxide enzyme and after seedling wide spectrum selectivity Herbicide, it can effectively prevent and treat main broadleaved herb and some grassy weeds.
Pretilachlor belongs to acetamide-group herbicides, and the mechanism of action is cell division inhibitor.Barnyard grass is prevented and kill off suitable for rice terrace Grass, bald barnyard, moleplant seed, eleusine indica, needle spikesedge herb, alisma canaliculatum, water amaranth, difformed galingale herb, cyperus iria, false loosestrife, duck tongue The annual gramineous weeds such as grass and broad leaved weed.
Orthosulfamuron belongs to sulfonylurea herbicide, by suppressing the acetolactate synthestase (ALs) of weeds, prevents The synthesis of plant branched-chain amino acid, so as to prevent the synthesis of weeds protein, stop weeds cell division, last weeds are withered Extremely.Orthosulfamuron can absorb through weeds leaf, root, and orthosulfamuron uses in transplanted rice field, prevents and kill off barnyard grass, nutgrass flatsedge, broad-leaved Weeds and duckweed moss.
In actual use, the barnyard grass of pyraclonil, mesotrione, pretilachlor and orthosulfamuron to transplanting rice field The drug effect of grass, Monochoria vaginalis, difformed galingale herb, eleusine indica etc. is not very notable.Therefore, inventor is careless by pyraclonil, nitre sulphur Ketone, pretilachlor and orthosulfamuron carry out rational mixture, and discovery has notable synergy, expand control of weeds spectrum, a dispenser is prevented Except transplanting rice field draft grass family, Cyperaceae, spraying times are reduced, reduce the effect of cost accounting.
The content of the invention
It is an object of the invention to provide a kind of herbicidal composition, by being carried out to herbicidal composition component accounting Optimization, expands herbicidal spectrum, herbicidal effect is notable, improves herbicidal effect and security performance；It is independent to rice safety, contrast There is obvious synergistic effect using medicament.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of herbicidal composition, including containing pyraclonil, mesotrione, pretilachlor first activity Composition and the second active component containing orthosulfamuron；Both weight accountings in herbicidal composition are (1%- 20%)：(1%-60%)；Pyraclonil, mesotrione, the weight accounting of pretilachlor three are in first active component (1%-40%)：(1%-40%)：(1%-60%)；The accumulating weight of first active component and the second active component is The 2%-70% of the herbicidal composition gross weight；Described is the accumulating weight of the first active component and the second active component For the 10%-50% of the herbicidal composition gross weight.
It can match somebody with somebody according to method known in those skilled in the art, during a kind of herbicidal composition practical application of the invention Be made any formulation agriculturally allowed, preparation formulation be water dispersible granules, wettable powder, pulvis, granule, suspending agent, Dispersible oil-suspending agent.
To wettable powder, those skilled in the art are very familiar with completing the present invention using corresponding auxiliary agent.It is workable to help Agent has：Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate；Wetting agent is selected from alkyl sulfate, alkyl Sulfonate, naphthalene sulfonate；Filler is selected from ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, lightweight carbon Sour calcium, talcum powder, attapulgite, clay.
For water dispersible granules, dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, alkyl Phenol polyethenoxy ether, EO/PO block polyethers；Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate, sulfomethylated lignin Sour sodium, AEO, APES；Disintegrant is selected from ammonium sulfate, sodium sulphate, sodium chloride, chlorination Ammonium, urea, sucrose, glucose, carboxymethyl cellulose, soluble starch, polyvinylpyrrolidone；Binding agent be selected from polyvinyl alcohol, Soluble starch, dextrin, xanthans, carboxymethyl (ethyl) cellulose family；Filler is selected from diatomite, kaolin, white carbon, light Matter calcium carbonate, talcum powder, attapulgite, clay.
To pulvis, workable filler is selected from diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, pottery Soil, clay.
To granule, workable auxiliary agent has：Carrier is selected from ammonium sulfate, urea, potassium dihydrogen phosphate, calcium superphosphate, diatom Soil, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, clay, boccaro rock dust, stone coal slag, clay, sand, Common brick, sawdust, starch；Binding agent is selected from paraffin, gypsum, polyvinylpyrrolidone, carboxymethyl (ethyl) cellulose, hydroxypropyl Methylcellulose, PVP, polyacrylamide, polyethylene glycol, polyvinyl alcohol；Coloring agent is iron oxide.
To suspending agent, workable auxiliary agent has：Dispersant is selected from polycarboxylate, lignosulfonates, alkyl naphthalene sulfonic acid Salt, TERSPERSE 2425 (Huntsman Corporation of the U.S. produces, alkyl naphthalene sulfonic acid salt)；Emulsifying agent such as Nongru-700 # is (general Name：Alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this disk -60# (common names：Sorbitan monostearate), Emulsifying agent T-60 (common names：Sorbitan monostearate APEO), agriculture breast 1601# (common names：Phenethyl benzene Phenol polyethenoxy polyethenoxy ether), TERSPERSE 4894 (Huntsman Corporation of U.S. product)；Wetting agent gathers selected from alkyl phenol Oxyethylene group ether formaldehyde condensation products sulfate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyoxyethylene ether phosphorus Acid esters, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPSE 2500 (Huntsman Corporation of U.S. product)；Thickener Selected from xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate；Preservative is selected from formaldehyde, benzoic acid, sodium benzoate；Defoamer is Organic silicon defoamer；Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (such as sodium chloride).
To dispersible oil-suspending agent, workable auxiliary agent has：Dispersant is selected from polycarboxylate, lignosulfonates, alkyl Naphthalene sulfonate, TERSPERSE 2425；Emulsifying agent is selected from BY series emulsifying agent (BY-110, BY-125, BY-140), agriculture breast 700#, agriculture breast 2201, this disk -60#, Tween-60 #, agriculture breast 1601#, TERSPERSE 4894；Wetting agent gathers selected from alkyl phenol Oxyethylene group ether formaldehyde condensation products sulfate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyoxyethylene groups ether phosphoric acid Ester, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500；Thickener be selected from white carbon, polyvinyl alcohol, Bentonite, aluminium-magnesium silicate；Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (such as sodium chloride)；Stabilizer Selected from epoxidized soybean oil, epoxychloropropane, triphenyl phosphate；Decentralized medium is selected from soybean oil, rapeseed oil, corn oil, oleic acid first Ester, diesel oil, machine oil, mineral oil.
The herbicidal composition is to prevent and kill off transplanting rice field annual gramineous weed, broad leaved weed and Cyperaceae miscellaneous Application on grass.
The invention has the advantages that：
1st, the present invention expands herbicidal spectrum, herbicidal effect shows by being optimized to herbicidal composition component accounting Write, improve herbicidal effect and security performance；To rice safety, medicament, which is administered alone, in contrast obvious synergistic effect.
2nd, of the invention because the mechanism of action of each active ingredient in composition is different, shifting is prevented and kill off in disposable dispenser Transplant rice seedlings grassy weed, broad leaved weed and the sedge weed in field, reduces spraying times, cost-effective, reduces weeds The risk of resistance is produced, and reduces the pollution to environment.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described reality It is only part of the embodiment of the present invention to apply example, rather than whole embodiments.Based on the embodiment in the present invention, this area All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to guarantor of the present invention The scope of shield.
(1) Formulation Example.
Active ingredient is using 95% pyraclonil active compound, 95% mesotrione active compound, the 95% the third grass in following examples Amine active compound, 95% orthosulfamuron active compound, each component degree are weight percentage.
Embodiment 1：60% the first active component the second active ingredient particle agent.
Pyraclonil 6%, mesotrione 6%, pretilachlor 8%, orthosulfamuron 40%, polyvinyl alcohol 5%, white carbon 5%th, polyvinylpyrrolidone 5%, iron oxide 5%, kaolin complement to 100%.By above-mentioned active ingredient, wetting agent, disperse Agent, bonding agent and solid carrier is blended plus water after mediated, pinched out and shaped using pinch-out granulator, afterwards by particle 70% the first active component the second active ingredient particle agent are obtained by drying, screening.
Embodiment 2：70% the first active component the second active ingredient particle agent.
Pyraclonil 6%, mesotrione 6%, pretilachlor 8%, orthosulfamuron 50%, polyvinyl alcohol 5%, white carbon 5%th, polyvinylpyrrolidone 5%, iron oxide 5%, kaolin complement to 100%.By above-mentioned active ingredient, wetting agent, disperse Agent, bonding agent and solid carrier is blended plus water after mediated, pinched out and shaped using pinch-out granulator, afterwards by particle 70% the first active component the second active ingredient particle agent are obtained by drying, screening.
Embodiment 3：50% the first active component the second active component wettable powders.
Pyraclonil 10%, mesotrione 10%, pretilachlor 10%, orthosulfamuron 20%, alkylnaphthalene sulfonate 10%th, naphthalene sulfonate 10%, diatomite supply 100%.By above-mentioned active ingredient, wetting agent, dispersant, bonding agent and solid Carrier mixes, again through air-flow crushing after mechanical crushing, obtained after well mixed 50% the first activity of active component second into Divide wettable powder.
Embodiment 4：65% the first active component the second active component wettable powders.
Pyraclonil 3%, mesotrione 4%, pretilachlor 8%, orthosulfamuron 50%, alkylnaphthalene sulfonate 10%, naphthalene Sulfonate 10%, diatomite supply 100%.Above-mentioned active ingredient, wetting agent, dispersant, bonding agent and solid carrier are mixed Close, again through air-flow crushing after mechanical crushing, it is wettable that the 50% the first active components of active component second are obtained after well mixed Property pulvis.
Embodiment 5：20% the first active component the second active component oil-suspending agents.
Pyraclonil 2%, mesotrione 3%, pretilachlor 7%, orthosulfamuron 8%, alkylnaphthalene sulfonate 10%, alkane Base sulfate 10%, aluminium-magnesium silicate 5%, methyl oleate supply 100%.By above-mentioned active ingredient, wetting agent, dispersant, thickening Agent and liquid-carrier through high speed shear is scattered, in skin grinder after frosted, the high dispersive that is formed in non-water-medium, temperature Suspension system, that is, obtain 50% the first active component the second active component oil-suspending agents.
Embodiment 6：30% the first active component the second active component oil-suspending agents.
Pyraclonil 3%, mesotrione 5%, pretilachlor 4%, orthosulfamuron 18%, alkylnaphthalene sulfonate 10%, alkane Base sulfate 10%, aluminium-magnesium silicate 5%, methyl oleate supply 100%.By above-mentioned active ingredient, wetting agent, dispersant, thickening Agent and liquid-carrier through high speed shear is scattered, in skin grinder after frosted, the high dispersive that is formed in non-water-medium, temperature Suspension system, that is, obtain 50% the first active component the second active component oil-suspending agents.
Embodiment 7：15% the first active component the second active component water dispersible granules.
Pyraclonil 2%, mesotrione 2%, pretilachlor 3%, orthosulfamuron 8%, APES 5%, Alkylsulfonate 5%, sodium sulphate 2%, polyvinyl alcohol 2%, kaolin supply 100%.By above-mentioned active ingredient, wetting agent, divide Powder, disintegrant, binding agent and solid carrier are well mixed, and are crushed with micro jet, through mediating, then add stream Change and be granulated in bed granulating and drying agent, dry, sieve, that is, obtain 15% the first the active component of active component second is oily to hang Floating agent.
Embodiment 8：25% the first active component the second active component water dispersible granules.
Pyraclonil 1%, mesotrione 3%, pretilachlor 6%, orthosulfamuron 15%, APES 5%th, alkylsulfonate 5%, sodium sulphate 2%, polyvinyl alcohol 2%, kaolin supply 100%.By above-mentioned active ingredient, moistening Agent, dispersant, disintegrant, binding agent and solid carrier are well mixed, and are crushed with micro jet, through mediating, Ran Houjia It is granulated in fluidized bed granulating and drying agent, dries, sieve, that is, obtains the 15% the first active components of active component second Oil-suspending agent.
(2) indoor biological determination of activity embodiment.
For medicine reagent：95% pyraclonil active compound, 95% mesotrione active compound, 95% pretilachlor active compound, 95% phonetic aniline The grand active compound of sulphur.
For trying target：Monochoria vaginalis (category Pontederiaceae), difformed galingale herb (category Cyperaceae), barnyard grass (category grass family Echinochloa).
Medicament configuration designs：By pyraclonil, mesotrione, pretilachlor according to weight part ratio 20%：30%：50% ratio Example mixture is configured to 20,40,60g a.i.g/ha solution for standby；Orthosulfamuron single dose is configured to 20,40,60g a.i.g/ Ha solution for standby；First active component and the second active component mixture are configured to 20+20,20+40,20+60,40+20,40+ 40th, 40+60,60+20,60+40,60+60g a.i.g/ha solution for standby.
Experimental method：With 11 × 12cm plastic tubs, will be not used the soil adopted back in the rice field of herbicide air-dry, mistake Basin is filled after sieve, dry ground is quantified at 4/5 in basin, soil pH value 7.0, the content of organic matter 1.2%.The abnormal shape that last year field is gathered Each about 30 uniform program requests are placed in greenhouse after soil surface, blinding 2.5cm-1cm after nutgrass flatsedge, Monochoria vaginalis, the immersion of barnyard grass seed Interior culture, indoor temperature 28-32 DEG C/18-25 DEG C (d/n), after planting keeps ground moistening.In weeds difformed galingale herb, duck tongue Carry out spraying treatment when grass, barnyard grass 3-5 leaves, per basin spraying liquid 1mL, often processing is repeated 4 times, and set the processing without medicament as Control.It is placed in greenhouse and cultivates after processing, the growing state of routine observation target weeds, target damage symptoms is estimated after 20d And growth inhibition situation, and claim aerial part fresh weight, medicament is evaluated with target fresh weight inhibition the virulence of target weeds is made With.
Investigation method：Target damage symptoms and growth inhibition situation are estimated after experiment process 20d, and claims aerial part fresh Weight, calculate fresh weight inhibition (%).
Synergy evaluation method：Herbicide associated form is evaluated according to Gowing methods, its formula is as follows：
E0=X+Y-XY/100.
In formula, X be the first active component with certain dosage when alone to the fresh weight inhibition of target weeds；Y is the second activity Composition with certain dosage when alone to the fresh weight inhibition of target weeds；E0For two kinds of the first active component, the second active component medicines To the theoretical value of target weeds fresh weight inhibition when agent is mixed；E is the first active component, two kinds of medicaments of the second active component mix Measured value of the used time to target weeds fresh weight inhibition.
Evaluation criterion：Work as E-E0>When 10%, synergistic effect is expressed as；As -10%≤E-E0When≤10%, phase is expressed as Add effect；Work as E-E0<When -10%, antagonism is shown as.
Table 1：Toxicity Determination of each chemicals treatment to Monochoria vaginalis.
Table 2：Toxicity Determination of each chemicals treatment to difformed galingale herb.
Table 3：Toxicity Determination of each chemicals treatment to barnyard grass.
Toxicity Determination result shows：First active component and the second active component mixture respectively processing to Monochoria vaginalis, different Type nutgrass flatsedge and the E-E of barnyard grass0(%) value is all higher than 10%, illustrates that the two compounding is respectively provided with to Monochoria vaginalis, difformed galingale herb and barnyard grass Synergistic function.As can be seen here, the first active component and the second active component mixture have reasonability and feasibility.
(3) field efficacy EXPERIMENTAL EXAMPLE.
Experimental field select Monochoria vaginalis, difformed galingale herb and barnyard grass that more rice terrace occurs to carry out, set 4 processing altogether, often locate Reason sets 3 repetitions, and processing 1 is the 50% the first activity for 70% the first the second active ingredient particle of active component agent, processing 2 Ingredient granules agent, processing 3 are the 30% the second active component oil-suspending agents, processing 4 is control (not dispenser not weeding), 30 after medicine Each processing number of weeds amount of its statistics simultaneously calculates preventive effect.
Table 4：Each chemicals treatment prevents and kill off the field efficacy experimental result of rice terrace annual grassy weeds.
Field experiment result shows：30 days 70% the first active component the second active ingredient particle agent usage amounts after medicine To be substantially higher the preventive effect of the Monochoria vaginalis of rice terrace, difformed galingale herb and barnyard grass in each single dose during 150-200g.a.i./ha It is used alone, while does not find that device produces poisoning to rice during experimental investigation.As can be seen here, said composition is worth Agriculturally popularization and application.
In the description of this specification, the description meaning of reference term " one embodiment ", " example ", " specific example " etc. Refer at least one reality that the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe Apply in example or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term or shown Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example Combine in an appropriate manner.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed All details are described to the greatest extent, and it is only described embodiment also not limit the invention.Obviously, according in this specification Hold, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain this The principle and practical application of invention, so that skilled artisan can be best understood by and utilize the present invention.This hair It is bright only to be limited by claims and its four corner and equivalent.

Claims (6)

  1. A kind of 1. herbicidal composition, it is characterised in that：Contain including pyraclonil, mesotrione and pretilachlor first activity into Divide and contain the active component of orthosulfamuron second；Both weight accountings in herbicidal composition are (1%-20%)： (1%-60%).
  2. A kind of 2. herbicidal composition according to claim 1, it is characterised in that polybenzobisoxazole grass in first active component The weight accounting of nitrile, mesotrione and pretilachlor three is (1%-30%)：(1%-30%)：(1%-50%).
  3. 3. a kind of herbicidal composition according to claim 1, it is characterised in that first active component and second is lived Property composition accumulating weight be the herbicidal composition gross weight 2%-70%.
  4. 4. a kind of herbicidal composition according to claim 1, it is characterised in that described is the first active component and second The 10%-50% of herbicidal composition gross weight described in the accumulating weight of active component.
  5. 5. a kind of herbicidal composition according to claim 1, it is characterised in that described combination dosage form includes wettable Property pulvis or water dispersible granules, pulvis, granule, suspending agent and dispersible oil-suspending agent.
  6. 6. a kind of herbicidal composition, it is characterised in that herbicidal composition is to prevent and kill off transplanting rice field annual gramineae miscellaneous Application on grass, broad leaved weed and sedge weed.
CN201710660589.1A 2017-08-04 2017-08-04 A kind of herbicidal composition Pending CN107517985A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103229776A (en) * 2013-05-20 2013-08-07 联保作物科技有限公司 Weeding composition for rice field and preparation thereof
CN104255750A (en) * 2014-09-10 2015-01-07 广东中迅农科股份有限公司 Herbicide composition containing pyraclonil and pretilachlor
CN105724401A (en) * 2016-04-25 2016-07-06 湖南大方农化股份有限公司 Compound rice field herbicide
CN106614664A (en) * 2017-01-23 2017-05-10 河北博嘉农业有限公司 Three-ingredient weeding composition containing pyraclonil
CN106857605A (en) * 2017-01-05 2017-06-20 浙江天丰生物科学有限公司 A kind of Recompounded multielement Herbicidal composition for paddy fields

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103229776A (en) * 2013-05-20 2013-08-07 联保作物科技有限公司 Weeding composition for rice field and preparation thereof
CN104255750A (en) * 2014-09-10 2015-01-07 广东中迅农科股份有限公司 Herbicide composition containing pyraclonil and pretilachlor
CN105724401A (en) * 2016-04-25 2016-07-06 湖南大方农化股份有限公司 Compound rice field herbicide
CN106857605A (en) * 2017-01-05 2017-06-20 浙江天丰生物科学有限公司 A kind of Recompounded multielement Herbicidal composition for paddy fields
CN106614664A (en) * 2017-01-23 2017-05-10 河北博嘉农业有限公司 Three-ingredient weeding composition containing pyraclonil

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