CN104012553A - Dual-purpose herbicide for paddy field and dry field and using method of dual-purpose herbicide - Google Patents
Dual-purpose herbicide for paddy field and dry field and using method of dual-purpose herbicide Download PDFInfo
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- CN104012553A CN104012553A CN201410260841.6A CN201410260841A CN104012553A CN 104012553 A CN104012553 A CN 104012553A CN 201410260841 A CN201410260841 A CN 201410260841A CN 104012553 A CN104012553 A CN 104012553A
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Abstract
The invention discloses a dual-purpose herbicide for a paddy field and a dry field and a using method of the dual-purpose herbicide, belonging to the technical field of crop protection. The dual-purpose herbicide is characterized by comprising active components, namely penoxsulam and quizalofop-p-ethyl, wherein the weight ratio of penoxsulam to quizalofop-p-ethyl is (1-85) to (85-1); the weights of the active components account for 10-96 percent of the total weight of the herbicide. According to the herbicide, resistance to the quizalofop-p-ethyl by weed in the dry field can be eliminated, and multiple types of weed can be removed; resistance to the penoxsulam by weed in the paddy field can be eliminated, and the herbicide controlling spectrum of the penoxsulam is broadened. The two active components supplement each other, and an unexpected synergistic effect is achieved. The synergistic effect is shown as a broad herbicide controlling spectrum, a quick weeding function and a durable prevention effect; harmful crops can be well controlled by virtue of application for one time or a few times; a pesticide application interval is widened.
Description
Technical field
The invention belongs to crop protection technical field, be specifically related to the dual-purpose weed killer herbicide in a kind of floods and droughts field and usage.
Background technology
In recent years, the dual-purpose weed killer herbicide in floods and droughts field develops rapidly, kind also emerges in an endless stream, the dissimilar weed killer herbicides such as diphenyl ether, thiocarbamates, amide-type, quinoline carboxylic acid and sulfonylurea have successively been emerged in large numbers, form the comparatively perfect Chemical Weeding System that is applicable to paddy field and dry land different planting, and be used as indispensable, very important well stimulation in the production of floods and droughts field.
In the process of using, along with large-area lasting use, having there is the problems such as Weed Resistance ability enhancing in above-mentioned weed killer herbicide, take barnyard grass as example, comparatively outstanding to the resistance of Stam F-34, dichloro quinolinic acid, butachlor and benthiocarb.Recently, difformed galingale herb, firefly Lin, arrowhead, Monochoria korsakowii and Monochoria vaginalis etc. have produced resistance to sulfonylurea herbicide for common weeds such as the sedge family of representative, Pontederiaceae, Alismataceaes.
Quizalotop-ethyl belongs to traditional phenoxy group ester herbicide, it is selectivity inner sucting conduction type dry land herbicide, can effectively prevent and treat life in 1 year and perennial broadleaf weed and nutgrass flatsedge, can by weeds root, leaf, be absorbed and pass to other positions, but be long-term used in dry land, the weeds such as sedge family and Alismataceae are to it has been produced to resistance, and herbicidal effect reduces.
Penoxsuam is rice field broad-spectrum herbicide, can effectively prevent and kill off barnyard grass (comprising Stam F-34, dichloro quinolinic acid and acetyl-CoA carboxylase being produced to the barnyard grass of resistance), moleplant seed and annual sedge weed, and effective to numerous broad leaved weeds such as the raw different stamen flower in natural pond, carp intestines, sesbania and Monochoria vaginalis.Also can prevent and kill off the weeds of anti-bensulfuron-methyl in rice field, and many broad-leaveds and sedge weed and barnyard grass etc. are had to residual activity, be the widest kind of herbicide spectrum in weed killer herbicide for current rice field.But its weeding rate still has much room for improvement.
This is more complicated with regard to making weeding problem.The harm of perennial weed becomes major issue: sedge family perennial weed is particularly outstanding; Advanced age, barnyard grass and moleplant seed also will effectively be prevented and kill off.Need the herbicide spectrum of weed killer herbicide to need to be expanded, and extend the lasting phase that soil is prevented and kill off medicament.Along with Direct-seeding Rice area under cultivation constantly expands, more urgent for the weed killer herbicide demand that wide spectrum, selectivity are strong, easy to use.
Summary of the invention
Technical problem to be solved by this invention is to provide dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof, can improve its herbicidal effect.
For solving the problems of the technologies described above, technical scheme of the present invention is: invent the dual-purpose weed killer herbicide in a kind of floods and droughts field, it is characterized in that: the active component comprising is penoxsuam and Quizalotop-ethyl, the weight ratio of penoxsuam and Quizalotop-ethyl is 1～85: 85～1, active component accounts for 10～96% of weed killer herbicide gross weight, and surplus is the upper acceptable insecticides adjuvant of agricultural.
Preferably, the weight ratio that penoxsuam and Quizalotop-ethyl are lived is 1～50: 50～1.
Preferably, the weight ratio that penoxsuam and Quizalotop-ethyl are lived is 1～15: 15～1.
Preferably, on described crops, acceptable insecticides adjuvant consists of additive and surfactant; Additive is a kind of or two or more combination arbitrarily in carrier, adhesive, dispersant, protecting colloid, thixotropic agent, bleeding agent, stabilizing agent, chelating agent and polymerizer.
Preferably, described carrier is organic or inorganic, natural or synthetic material, and they contribute to using of active component, be generally inertia and must be that agricultural is upper acceptable, particularly processed plant is accepted.Described carrier can be solid or/liquid.Carrier is selected from a kind of or two or more combination arbitrarily in potter's clay, natural or synthetic silicate, silica, resin, auxiliary material, water, alcohol compound, ketone compounds, aromatic hydrocarbons, wax hydrocarbon and liquefied gas.
Preferably, described surfactant comprises emulsifier, dispersant or wetting agent, this surfactant can be ionic or nonionic, is conducive to the dispersion in water of active component in weed killer herbicide and is conducive to it be correctly applied to plant, the weeds in control crop.Surfactant is selected from a kind of or two or more combination arbitrarily in the phosphoric acid fat of polyacrylate, lignosulfonates, phenolsulfonate, naphthalene sulfonate, alkane, fatty alcohol, aliphatic acid, aliphatic amine, sulfosuccinate, alcohol phosphate and multi-hydroxy ethyl phenol.
Preferably, above-mentioned complex weedicide can mix with conventional solid and/or the liquid additive using in present technology, makes water dispersible granules, wetting powder, granule, soluble powder or suspending agent.Wherein, water dispersible granules (content of its active component is generally higher, between 50%～90%) normally makes this formulation by wettable powder type composition under the agglomeration of sol particle system;
Wetting powder is general so that it contains 20～90% active component is as the criterion, except solid carrier, also contain 0～7% wetting agent and 3～10% dispersant, or contain again 0～10% one or more other additive, as dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Granule can be prepared by following methods: by the active component of 5～40 weight portions, and the stabilizing agent of 0.1～45 weight portion, and the carrier of 12～90 weight portions is mixed with and forms.There is no particular limitation to be suitable for prilling process of the present invention, can be the conventional method of manufacturing granular pesticide, as conventional method, and can wet granulation, dry granulation, stirring granulation, extruding granulation etc.; Especially, utilize the extruding granulation can be simply and manufacture at an easy rate granule.
The general following methods preparation of soluble powder: mixed by active component and the insecticides adjuvant except potter's clay, wherein active component accounts for 35～90% of soluble powder gross weight, all the other are the insecticides adjuvant except potter's clay.
The weed killer herbicide that is suitable for liquid form of the present invention can be dissolubility liquor, suspending agent for example, it can be prepared by following method: to obtain not forming sediments and stable fluid is as the criterion, by the active component of 4～85 weight portions, the surfactant of 0.5～45 weight portion, the additive of 0～15 weight portion, additive is by dyestuff, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent, bleeding agent or/and adhesive mix, above-mentioned composition adds in carrier, carrier can be water or organic liquid, when active component indissoluble or water fast, can solid organic matter or mineral salt is soluble in water to contribute to sediments to form or as the antifreezing agent of water.
Above-mentioned weed killer herbicide of the present invention can be applied on the surface of being cut weeds in paddy field or dry land by the method for spraying for control rice weed, particularly on the surface of the harmful weed infestation of plant growth or easily invasion impact.Its amount of application calculates with active component, and amount of application is conventionally at 25～1750 grams/ha, and preferably 30～1200 grams/ha, more preferably 100～1100 grams/ha.
Compared with prior art, the invention has the beneficial effects as follows:
1, because active component is that 1～85: 85～1 penoxsuam and Quizalotop-ethyl are formulated by weight ratio, not only can make the weeds in dry land lose resistance to Quizalotop-ethyl, and can remove the weeds of more kinds; And can make the weeds in paddy field lose resistance to penoxsuam, widen the herbicide spectrum of penoxsuam.The two is complemented each other, obtained unforeseeable synergistic effect.Synergistic effect show as wider weeds control spectrum, the faster onset of herbicide effect, more lasting control efficiency, by once or minority use several times just can control better and be harmful to crop and widened possible dispenser interval.
2, the broad weed-killing spectrum of this complex weedicide, penoxsuam has made up the weeds such as sedge family, Pontederiaceae, Alismataceae such as difformed galingale herb, firefly Lin, arrowhead, Monochoria korsakowii, Monochoria vaginalis to the resistance of Quizalotop-ethyl and the low shortcoming of preventive effect, improve herbicide spectrum and preventive effect, only needed a drug just can prevent and treat the harm of multiple grassy weed, broad leaved weed, sedge weed.
3, the effect of herbicides lasting period of the present invention long, as the preventive effect to barnyard grass, moleplant seed, 30-42 days after general dispenser, fresh weight preventive effect still reaches 70%-85%, has reduced spraying times, has widened dispenser interval.
4, because surfactant is selected one or more the combination in the phosphoric acid fat of polyacrylate, lignosulfonates, phenolsulfonate, naphthalene sulfonate, alkane, fatty alcohol, aliphatic acid, aliphatic amine, sulfosuccinate, alcohol phosphate and multi-hydroxy ethyl phenol, substituting has hypertoxic phenol, greatly reduce the toxicity of this weed killer herbicide, the agricultural having reduced on crops is residual, without accumulation toxicity, use safer.
5, herbicidal composition cost of the present invention is low, easy to use, and it applies huge economic benefit and social benefit.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1. prepares granule (the raw material umber sum of preparing agricultural chemicals is 100 parts)
By the mixture of active principles of 70 weight portions (mass ratio of penoxsuam and Quizalotop-ethyl is 1: 1); the calcium stearate of the polyvinyl alcohol of the atoleine of 6 weight portions, 4 weight portions, 3 weight portions; the clay of surplus; above-mentioned substance is mixed to get to the mixture of powders of 100 weight portions; and add appropriate water, with small-sized kneader, mix, then carry out granulation, rear dry with the whole grain of pelletizing machine; sieve, can obtain said preparation.
Embodiment 2
The difference of the present embodiment and embodiment bis-is: the mass ratio of penoxsuam and Quizalotop-ethyl is 1: 85.
Embodiment 3
The difference of the present embodiment and embodiment bis-is: the mass ratio of penoxsuam and Quizalotop-ethyl is 85: 1.
Embodiment 4
The present embodiment exists from the difference of embodiment mono-: the consumption of each raw material is different.Be specially: the mixture of active principles of 10 weight portions (mass ratio of penoxsuam and Quizalotop-ethyl is 1: 1), the calcium stearate of the polyvinyl alcohol of the atoleine of 18 weight portions, 12 weight portions, 9 weight portions, the clay of surplus, is mixed to get above-mentioned substance the mixture of powders of 100 weight portions.
Embodiment 5
The difference of the present embodiment and embodiment tetra-is: the mass ratio of penoxsuam and Quizalotop-ethyl is 1: 85.
Embodiment 6
The difference of the present embodiment and embodiment tetra-is: the mass ratio of penoxsuam and Quizalotop-ethyl is 85: 1.
Embodiment 7
The present embodiment exists from the difference of embodiment mono-: the consumption of each raw material is different.Be specially: the mixture of active principles of 96 weight portions (mass ratio of penoxsuam and Quizalotop-ethyl is 1: 1), the calcium stearate of the polyvinyl alcohol of the atoleine of 1 weight portion, 0.5 weight portion, 0.5 weight portion, the clay of surplus, is mixed to get above-mentioned substance the mixture of powders of 100 weight portions.
Embodiment 8
The difference of the present embodiment and embodiment seven is: the mass ratio of penoxsuam and Quizalotop-ethyl is 1: 85.
Embodiment 9
The difference of the present embodiment and embodiment seven is: the mass ratio of penoxsuam and Quizalotop-ethyl is 85: 1.
Embodiment 10. prepares suspending agent (the raw material umber sum of preparing agricultural chemicals is 100 parts)
By the mixture of active principles of 40 weight portions (Quizalotop-ethyl of penoxsuam+22 weight portion of 18 weight portions), the carboxymethyl cellulose of 5 weight portions (as thickener), the propane diols of 3 weight portions (as antifreezing agent), the calcium lignosulfonate of 10 weight portions (as wetting dispersing agent), and the water of surplus, by master operations such as mixing, stirring, sand millings, make this mixture.
Embodiment 11. prepares water dispersible granules (the raw material umber sum of preparing agricultural chemicals is 100 parts)
By the mixture of active principles of 75 weight portions (Quizalotop-ethyl of penoxsuam+43 weight portion of 32 weight portions), 5 weight account polyethylene alcohol, the Sodium Laurylsulfate of 2 weight portions, the kaolin of 6 weight portion wooden calcium sulfonates and surplus.
After mentioned component is mixed, in bolt type dish formula flour mill, wear into fine powder, powder is made it to granulation by spraying as the water of granulation liquid in fluid bed.
Embodiment 12. prepares wetting powder (the raw material umber sum of preparing agricultural chemicals is 100 parts)
By the mixture of active principles of 45 weight portions (Quizalotop-ethyl of penoxsuam+10 weight portion of 35 weight portions), the glycerine of 3 weight portion Fluhyzon formaldehyde condensation products sodium sulfonates, 5 weight fraction neopelexes, 2 weight portions, surplus White Carbon black is mixed, through ultramicro grinding, make powder reach fineness requirement, and use double helical form mixer and plough mixer and coulter type mixer through repeatedly mixing, make Product mix even, thereby make this high-load formulation.
Below by the test of pesticide effectiveness to show the performance of complex weedicide of the present invention:
1, during dispenser, weeds 3-4 leaf phase dispenser.After medicine, investigation in 26 days is to weeds fresh weight preventive effect, and with in dry land, use separately Quizalotop-ethyl, in paddy field, use separately penoxsuam to contrast, correction data is in Table 1.Wherein,
The preventive effect contrast table of table 1, the present invention and Quizalotop-ethyl, penoxsuam (after medicine 26 days)
Above treatment dosage is to the equal safety of paddy growth.
2, weed killer herbicide of the present invention is prevented and kill off 24 days result of the tests (in Table 2) of paddy field upland field weed:
Table 2, the present invention, Quizalotop-ethyl and penoxsuam are to the preventive effect contrast table of different weeds (after medicine 24 days)
As can be seen from the above table, the present invention has good herbicidal effect for conventional weeds such as the flat stalk Fischer grass of rice seedling bed, Monochoria vaginalis, barnyard grasses, and above processing is to the equal safety of rice seedling.
Composition and method of making the same of the present invention is described by specific embodiment.Those skilled in the art can use for reference the links such as content appropriate change raw material of the present invention, process conditions and realize corresponding other object, its relevant change does not all depart from content of the present invention, within all similar replacements and change will become apparent to those skilled in the art that and be all deemed to be included in scope of the present invention.
Claims (10)
1. the dual-purpose weed killer herbicide in floods and droughts field, is characterized in that: the active component comprising is penoxsuam and Quizalotop-ethyl, and the weight ratio of penoxsuam and Quizalotop-ethyl is 1～85: 85～1, and active component accounts for 10～96% of weed killer herbicide gross weight.
2. according to the dual-purpose weed killer herbicide in floods and droughts claimed in claim 1 field, it is characterized in that: the weight ratio that penoxsuam and Quizalotop-ethyl are lived is 1～50: 50～1.
3. according to the dual-purpose weed killer herbicide in floods and droughts claimed in claim 2 field, it is characterized in that: the weight ratio that penoxsuam and Quizalotop-ethyl are lived is 1～15: 15～1.
4. according to the dual-purpose weed killer herbicide in floods and droughts claimed in claim 3 field, it is characterized in that: also comprise insecticides adjuvant, insecticides adjuvant consists of additive and surfactant; Additive is a kind of or two or more combination arbitrarily in carrier, adhesive, dispersant, protecting colloid, thixotropic agent, bleeding agent, stabilizing agent, chelating agent and polymerizer.
5. according to the dual-purpose weed killer herbicide in floods and droughts claimed in claim 4 field, it is characterized in that: carrier is selected from a kind of or two or more combination arbitrarily in potter's clay, natural or synthetic silicate, silica, resin, auxiliary material, water, alcohol compound, ketone compounds, aromatic hydrocarbons, wax hydrocarbon and liquefied gas.
6. according to the dual-purpose weed killer herbicide in floods and droughts claimed in claim 4 field, it is characterized in that: described surfactant is selected from a kind of or two or more combination arbitrarily in the phosphoric acid fat of polyacrylate, lignosulfonates, phenolsulfonate, naphthalene sulfonate, alkane, fatty alcohol, aliphatic acid, aliphatic amine, sulfosuccinate, alcohol phosphate and multi-hydroxy ethyl phenol.
7. according to the arbitrary described dual-purpose weed killer herbicide in floods and droughts field of claim 1 to 6, it is characterized in that: the formulation of weed killer herbicide is water dispersible granules, wetting powder, granule, soluble powder or suspending agent.
8. the usage of the arbitrary described dual-purpose weed killer herbicide in floods and droughts field of claim 1 to 7, is characterized in that: the active component with weed killer herbicide calculates, and amount of application is 25～1750 grams/ha.
9. according to the usage of the dual-purpose weed killer herbicide in floods and droughts claimed in claim 8 field, it is characterized in that: amount of application is 30～1200 grams/ha.
10. according to the usage of the dual-purpose weed killer herbicide in floods and droughts claimed in claim 9 field, it is characterized in that: amount of application is 100-1100 gram/ha.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410260841.6A CN104012553B (en) | 2014-06-13 | 2014-06-13 | Dual-purpose weed killer herbicide in a kind of floods and droughts field and using method thereof |
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| CN104012553B CN104012553B (en) | 2015-09-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008075743A1 (en) * | 2006-12-21 | 2008-06-26 | Kumiai Chemical Industry Co., Ltd. | Herbicide composition |
| CN101911942A (en) * | 2010-09-15 | 2010-12-15 | 新沂市永诚化工有限公司 | Weeding composition containing cloransulam-methyl and quizalofop-p-ethyl |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008075743A1 (en) * | 2006-12-21 | 2008-06-26 | Kumiai Chemical Industry Co., Ltd. | Herbicide composition |
| CN101911942A (en) * | 2010-09-15 | 2010-12-15 | 新沂市永诚化工有限公司 | Weeding composition containing cloransulam-methyl and quizalofop-p-ethyl |
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