WO2022199267A1 - 一种除草组合物、制剂及其应用 - Google Patents
一种除草组合物、制剂及其应用 Download PDFInfo
- Publication number
- WO2022199267A1 WO2022199267A1 PCT/CN2022/075774 CN2022075774W WO2022199267A1 WO 2022199267 A1 WO2022199267 A1 WO 2022199267A1 CN 2022075774 W CN2022075774 W CN 2022075774W WO 2022199267 A1 WO2022199267 A1 WO 2022199267A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- herbicidal composition
- polyoxyethylene ether
- oil
- weight ratio
- emulsifier
- Prior art date
Links
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- 241000196324 Embryophyta Species 0.000 claims abstract description 39
- 239000002270 dispersing agent Substances 0.000 claims abstract description 37
- 239000012053 oil suspension Substances 0.000 claims abstract description 32
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000005562 Glyphosate Substances 0.000 claims abstract description 27
- 229940097068 glyphosate Drugs 0.000 claims abstract description 27
- -1 synergist Substances 0.000 claims abstract description 27
- 239000004034 viscosity adjusting agent Substances 0.000 claims abstract description 20
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 80
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 80
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 45
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- 235000019438 castor oil Nutrition 0.000 claims description 29
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 29
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 claims description 28
- GNHDVXLWBQYPJE-UHFFFAOYSA-N saflufenacil Chemical compound C1=C(Cl)C(C(=O)NS(=O)(=O)N(C)C(C)C)=CC(N2C(N(C)C(=CC2=O)C(F)(F)F)=O)=C1F GNHDVXLWBQYPJE-UHFFFAOYSA-N 0.000 claims description 20
- 239000000080 wetting agent Substances 0.000 claims description 20
- RZXLPPRPEOUENN-UHFFFAOYSA-N Chlorfenson Chemical compound C1=CC(Cl)=CC=C1OS(=O)(=O)C1=CC=C(Cl)C=C1 RZXLPPRPEOUENN-UHFFFAOYSA-N 0.000 claims description 19
- 229910019142 PO4 Inorganic materials 0.000 claims description 19
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- 229910000278 bentonite Inorganic materials 0.000 claims description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 12
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 9
- 150000002191 fatty alcohols Chemical class 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
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- 229920005682 EO-PO block copolymer Polymers 0.000 claims description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 6
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
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Classifications
-
- 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
-
- 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
- A01N25/02—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 liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- 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
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P13/00—Herbicides; Algicides
Definitions
- the invention relates to the technical field of pesticides, in particular to a herbicidal composition, preparation and application thereof.
- Fenfluazole chemical name: 3-(2-chloro-4-fluoro-5-(3-methyl-2,6-dioxo-4-trifluoromethyl-3,6-dihydropyrimidine-1 (2H)-yl)phenyl)-5-methyl-4,5-dihydroisoxazole-5-carboxylic acid ethyl ester, the unique structure is the combination of uracil and isoxazole structure, and saflufenacil Amines have better herbicidal activity and can effectively control annual and perennial weeds in garden and non-arable land, but the cost is higher. At present, herbicide varieties containing a single active ingredient have different degrees of defects in the agricultural weeding process.
- continuous use is easy to produce drug resistance, and the herbicidal spectrum is not broad enough. It can only control monocotyledonous weeds or dicotyledonous weeds, or only Control of emerging weeds or weeds that have not emerged, not both.
- the control effect can be improved, the amount of active ingredients used can be reduced, the cost of control can be saved, the generation of weed resistance can be delayed, the service life of the medicament can be prolonged, and the pollution to the environment can be reduced. .
- Dispersible oil suspension agent is the oil phase suspension system of the original drug and auxiliary agent (such as emulsifier, dispersant and viscosity modifier, etc.), which is made of oil phase as a carrier and is stable in a non-aqueous medium for a certain period of time. , in which at least one component is insoluble in non-aqueous medium and used after dilution with water.
- auxiliary agent such as emulsifier, dispersant and viscosity modifier, etc.
- the present invention provides a herbicidal composition containing saflufenacil and a dispersible oil suspending agent prepared therefrom.
- auxiliary agents By selecting auxiliary agents, the existing stability of the dispersible oil suspending agent is solved. question.
- a first aspect of the present invention provides a herbicidal composition
- the composition comprises saflufenacil and glyphosate; the weight ratio of saflufenacil and glyphosate is: 1:(10-100).
- the second aspect of the present invention provides a herbicidal composition formulation, which is composed of the above-mentioned herbicidal composition and agrochemically acceptable adjuvants.
- the formulation of the herbicidal composition is selected from the group consisting of a solution, a microemulsion, a dispersible oil suspension, a wettable powder, and a water dispersible granule.
- the weight percentage of the herbicidal composition in the herbicidal composition preparation is 5%-90%.
- the formulation of the herbicidal composition is in the form of a dispersible oil suspension;
- the agrochemically acceptable auxiliary materials include emulsifiers, wetting agents, dispersants, stabilizers, defoaming agents At least one of the agent, the viscosity modifier and the base oil.
- the emulsifier is selected from castor oil polyoxyethylene ether, calcium dodecylbenzenesulfonate, fatty alcohol polyoxyethylene ether, fatty acid polyoxyethylene ester, alkylphenol formaldehyde resin Polyoxyethylene ether, sorbitan monostearate, sorbitan monostearate polyoxyethylene ether, phenethylphenol polyoxyethylene ether, phenethylphenol polyoxyethylene polyoxypropylene ether, alkane In oxypolyoxyethylene ether sulfonate, fatty alcohol sulfate, alkyl phosphate ester, fatty alcohol polyoxyethylene ether sulfate, EO-PO block copolymer and phenethylphenol polyoxyethylene ether sulfonate at least one of.
- the emulsifier is a combination of castor oil polyoxyethylene ether and phenethylphenol polyoxyethylene ether sulfonate, and the weight ratio is 1:(0.1-0.5).
- the dispersant is selected from polycarboxylates, lignosulfonates, EO-PO block copolymers, phosphates and their salts, sulfonates, alkylnaphthalenes At least one of sulfonate, alkylphenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether.
- the viscosity modifier is a combination of organic bentonite and magnesium aluminum silicate, and the weight ratio is 1:(0.5-2).
- the third aspect of the present invention provides the use of the herbicidal composition for controlling weeds in non-arable land.
- the invention provides a herbicidal composition and a dispersible oil suspension agent comprising the herbicidal composition, which have the following beneficial effects:
- the mechanism of action is unique and there is no cross-resistance, resulting in a synergistic effect, expanding the herbicidal spectrum, improving the control effect, and making up for the single use of the agent on the main weeds.
- the defect of poor control effect improve the persistence of each component of the composition, delay the generation of weed resistance, reduce the repeated use of pesticides, reduce the use amount and cost; can be mainly used in the prevention of non-arable weeds, especially Control of glyphosate-resistant weeds, such as P.
- the dispersible oil suspension agent prepared is stable in quality and good in performance, which is more conducive to the exertion of efficacy. At the same time, it has excellent low-temperature fluidity, dispersion stability, thermal storage stability, etc.; and its raw materials are readily available, the preparation process is simple, and it is easy to industrialize production.
- compositions, step, method, article or device comprising the listed elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such composition, step, method, article or device elements.
- a first aspect of the present invention provides a herbicidal composition
- the composition comprises saflufenacil and glyphosate; the weight ratio of saflufenacil and glyphosate is: 1:(10-100).
- the weight ratio of saflufenacil and glyphosate is 1:(20-60).
- the weight ratio of saflufenacil and glyphosate is 1:40.
- arable weeds, especially glyphosate-resistant weeds, such as small flies, ox tendon grass, etc. can be controlled.
- the second aspect of the present invention provides a herbicidal composition formulation, which is composed of the above-mentioned herbicidal composition and agrochemically acceptable adjuvants.
- the formulation of the herbicidal composition is selected from the group consisting of a solution, a microemulsion, a dispersible oil suspension, a wettable powder, and a water dispersible granule.
- the herbicidal composition accounts for 5-90% by weight of the herbicidal composition formulation.
- the formulation of the herbicidal composition is in the form of a dispersible oil suspension;
- the agrochemically acceptable adjuvants include emulsifiers, wetting agents, dispersing agents, stabilizers, and defoaming agents , at least one of viscosity modifier and base oil.
- the raw materials for the preparation of the herbicide dispersible oil suspension agent at least include the following components: 5-50% of herbicide composition, 5-20% of emulsifier, 0-5% of wetting agent , 1-5% of dispersant, 0-5% of defoamer, 2-10% of viscosity modifier, and base oil supplemented by 100%.
- Emulsifiers are a class of compounds that enable a mixture of two or more immiscible components to form a stable emulsion. Its principle of action is that in the emulsification process, the dispersed phase is dispersed in the continuous phase in the form of microdroplets (micron scale), and the emulsifier reduces the interfacial tension of each component in the mixed system and forms a firmer film on the surface of the droplet. Or due to the charge given by the emulsifier, an electric double layer is formed on the surface of the droplets, preventing the droplets from agglomerating with each other, and maintaining a uniform emulsion. From a phase point of view, emulsions are still heterogeneous systems.
- the dispersed phase in the emulsion can be water phase or oil phase, most of which are oil phase; the continuous phase can be oil phase or water phase, most of which are water phase.
- Emulsifier is a surfactant with hydrophilic and lipophilic groups in the molecule.
- the hydrophilicity or lipophilicity of the emulsifier the "hydrophilic-lipophilic balance value (HLB value)" is usually used.
- HLB value hydrophilic-lipophilic balance value
- the lower the HLB value the stronger the lipophilicity; on the contrary, the higher the HLB value, the more hydrophilic powerful.
- the HLB value of various emulsifiers is different. In order to obtain a stable emulsion, an appropriate emulsifier must be selected.
- the emulsifier is selected from castor oil polyoxyethylene ether, calcium dodecylbenzenesulfonate, fatty alcohol polyoxyethylene ether, fatty acid polyoxyethylene ester, alkylphenol formaldehyde resin polyoxyethylene ether, sorbitan Alkyd anhydride monostearate, sorbitan monostearate polyoxyethylene ether, phenethylphenol polyoxyethylene ether, phenethylphenol polyoxyethylene polyoxypropylene ether, alkoxy polyoxyethylene ether At least one of sulfonate, fatty alcohol sulfate, alkyl phosphate ester salt, fatty alcohol polyoxyethylene ether sulfate, EO-PO block copolymer and phenethylphenol polyoxyethylene ether sulfonate.
- the emulsifier is a combination of castor oil polyoxyethylene ether and phenethylphenol polyoxyethylene ether sulfonate in a weight ratio of 1:(0.1-0.5).
- the weight ratio of castor oil polyoxyethylene ether and phenethylphenol polyoxyethylene ether sulfonate is 1:0.35.
- the HLB value of the castor oil polyoxyethylene ether is 9-14.
- the HLB value of the castor oil polyoxyethylene ether is 11-13.
- the saponification value of the castor oil polyoxyethylene ether is 30-100 mgKOH/g.
- the saponification value of the castor oil polyoxyethylene ether is 50-70 mgKOH/g.
- the source of the castor oil polyoxyethylene ether is not particularly limited, and it can be mentioned the Jiangsu Haian Petrochemical Plant, with specifications EL20, HEL20, EL30, HEL30, EL40, HEL40, etc.
- the source of the phenethylphenol polyoxyethylene ether sulfonate is not particularly limited, and Shandong Tiandao Bioengineering Co., Ltd., model 602# can be mentioned.
- phenethylphenol polyoxyethylene ether sulfonate can generate a diffusion electric double layer on the surface of the particles, so that the original drug ions have a repulsive effect, and can also increase the particle size by increasing the particle size.
- the steric hindrance of inter-coalescing can further improve the stability of the system; especially when the weight ratio of the castor oil polyoxyethylene ether and the phenethylphenol polyoxyethylene ether sulfonate is 1: (0.1-0.5), The suspension stability of the dispersible oil suspension agent obtained is the best, and no particles are precipitated even if it is stored for a long time.
- the inventor also unexpectedly found that the dispersing performance of the dispersible oil suspending agent after being dissolved in water can also be improved by the compounding of the emulsifier.
- the inventor believes that the possible reason is that the emulsion has a large number of interfaces, belongs to a thermodynamically unstable system, and has the tendency of automatic coalescence, stratification, sedimentation, etc., so as to reduce the interface, and the emulsifier used in this system can produce synergistic effects. It can effectively reduce the oil-water interfacial tension, so that the original drug particles should also have the ability to maintain dispersion in water, which is conducive to the emulsification and improves the stability of the emulsion.
- Wetting agent also known as wetting agent.
- One of the pesticide adjuvants Substances that can wet solid pesticides that are insoluble or not wettable by water. The main function is to reduce the surface tension or interfacial tension of water, so that the solid surface can be wetted by water. Water-insoluble pesticides can be mixed with water to form a suspension for use, and the liquid can be wetted and spread on the surface of crops, insects and pathogens, thereby improving the control effect and reducing the occurrence of phytotoxicity.
- the wetting agent is not particularly limited, and is well known to those skilled in the art.
- the wetting agent is selected from alkylphenol polyoxyethylene At least one of ether formaldehyde condensate sulfate, alkylphenol polyoxyethylene ether phosphate, phenethylphenol polyoxyethylene ether phosphate, alkyl sulfate, alkylsulfonate, and naphthalenesulfonate.
- the weight ratio of the emulsifier and the wetting agent is 1:(0.05-0.5).
- the weight ratio of the emulsifier and the wetting agent is 1:0.2.
- Dispersant is a surfactant with two opposite properties, lipophilic and hydrophilic, in the molecule.
- the dispersant is selected from polycarboxylates, lignosulfonates, EO-PO block copolymers, phosphate esters and their salts, sulfonates, alkylnaphthalenesulfonates, alkyl At least one of phenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether.
- the dispersant is a combination of a sulfonate and a phosphate in a weight ratio of 1:(0.1-1.5).
- the weight ratio of the sulfonates and the phosphates is 1:0.85.
- the sulfonates are selected from at least one of naphthalenesulfonic acid formaldehyde condensate, alkylnaphthalenesulfonic acid formaldehyde condensate, lignin acid sulfonate, and sulfamate.
- the sulfonates are preferably compounds with an aryl group in the molecular structure, preferably naphthalenesulfonic acid formaldehyde condensate and alkylnaphthalenesulfonic acid formaldehyde condensate.
- the sources of the naphthalenesulfonic acid formaldehyde condensate and the alkylnaphthalenesulfonic acid formaldehyde condensate are not limited by specific ratio, and Jinan Hongboli Chemical Co., Ltd. can be mentioned.
- the phosphoric acid esters are preferably compounds with amino groups and amide groups in the molecular structure.
- alkylamide polyoxyethylene ether phosphoric acid esters can be mentioned.
- the source of the alkylamide polyoxyethylene ether phosphate is not particularly limited, and Guangzhou Bifeng Trading Co., Ltd. can be mentioned.
- the weight ratio of the emulsifier and the dispersant is 1:(0.1-0.5).
- the weight ratio of the emulsifier and the dispersant is 1:0.4.
- the system adopts the sulfonate dispersant with an aryl group in the structure and the phosphate ester surfactant with an amino group or an amide group in the structure, which can effectively improve the high temperature/low temperature storage of the dispersible oil suspension agent. stability.
- the inventor believes that the possible reason is that the surface of the original drug particle has a relatively hydrophobic structure, especially the melting point of saflufenacil is lower, which makes it easier to aggregate, and the dispersant molecule used in the present invention can pass through van der Waals attraction, hydrogen and van der Waals surface with the pesticide surface.
- Viscosity modifiers are mainly used to adjust the viscosity and consistency of products, generally there are two types of viscosity reducers and viscosity increasers.
- the viscosity modifier is not particularly limited, and is well known to those skilled in the art.
- the viscosity modifier can be mentioned gum arabic, xanthan gum, polyvinylpyrrolidone, organic bentonite, hydroxymethyl cellulose, polyvinyl alcohol, silicon dioxide, magnesium aluminum silicate and the like.
- the viscosity modifier is a combination of organic bentonite and magnesium aluminum silicate in a weight ratio of 1:(0.5-2).
- the weight ratio of the organobentonite to magnesium aluminum silicate is 1:0.76.
- a two-dimensional three-dimensional structure is formed, thereby making the system thixotropic and increasing the structural strength of the suspension system.
- the base oil is not particularly limited, it is well known to those skilled in the art, and vegetable oil, vegetable oil ester compound, mineral oil and the like can be mentioned.
- the base oil is selected from soybean oil, corn oil, rapeseed oil, cottonseed oil, castor oil, turpentine oil, palm oil, coconut oil, sunflower oil, methyl oleate, diesel oil, motor oil , at least one of mineral oil.
- the base oil includes at least methyl oleate.
- the base oil is a combination of castor oil and methyl oleate in a weight ratio of 1:(0.1-10).
- the system improves the dispersion stability of the emulsifier and the dispersant in the base oil on the one hand through the compounding of castor oil and methyl oleate, thereby improving the suspension and stability of the system and its dispersion in water, On the other hand, it can reduce the oil separation rate of the system under normal temperature and thermal storage state, and further improve the suspension rate.
- the inventor believes that the possible reason is that the organic bentonite and aluminum magnesium silicate can absorb oil and swell to form a network gel structure in methyl oleate, which encapsulates a large number of oily medium molecules in the network voids. The chance of overlapping and covering the organic carbon chains increases, which increases the ability of the structure to resist damage, the yield value of the system increases, the oil separation rate of the system decreases, and the suspension rate increases.
- the preparation method of the dispersible oil suspension agent is as follows: mixing the herbicidal composition, emulsifier, wetting agent, dispersant, defoamer, viscosity modifier and base oil, and dispersing at high speed for 10-60min; Then grind until D97 is 1-10 ⁇ m, that is, it is obtained.
- the D97 is 3 ⁇ 1 ⁇ m.
- D97 refers to the particle size value corresponding to when the cumulative distribution percentage from small to large reaches 97% in the particle size distribution. That is to say, in a certain powder, the number of particles with a particle size smaller than D97 accounts for 97% of the total number of particles. It is usually used to represent the coarse end particle size index of powder, and it is a key indicator in powder production and application.
- the third aspect of the present invention provides the use of the herbicidal composition for controlling weeds in non-arable land.
- the non-arable land can be mentioned as woodland, lawn, highway, railway, warehouse, ridge, water ditches, forest fire protection avenues and the like.
- Embodiment 1 provides a herbicide dispersible oil suspension agent, which at least comprises the following components by weight percentage: 30% of herbicide composition, 10% of emulsifier, 2% of wetting agent, 4% of dispersant, viscosity adjustment 6% of the herbicide and base oil to make up 100%;
- the herbicidal combination is a combination of saflufenacil and glyphosate, and the weight ratio is 1:40;
- the emulsifier is castor oil polyoxyethylene ether and phenethylphenol polyoxyethylene
- the combination of oxyethylene ether sulfonate, the weight ratio is 1: 0.35;
- the castor oil polyoxyethylene ether purchased from Jiangsu Haian Petrochemical Plant, specification EL30;
- the phenethylphenol polyoxyethylene ether sulfonate purchased from Shandong Tiandao Biological Engineering Co., Ltd., model 602#;
- the wetting agent is alkylphenol polyoxyethylene ether
- the preparation method of the dispersible oil suspension agent is as follows: mixing the herbicidal composition, emulsifier, wetting agent, dispersing agent, defoaming agent, viscosity regulator and base oil, and dispersing at high speed for 30 min; then grinding to a D97 of 5 ⁇ m , that is.
- Embodiment 2 provides a herbicide dispersible oil suspension agent, which at least comprises the following components by weight percentage: 30% of herbicide composition, 5% of emulsifier, 1% of dispersant, 2% of viscosity modifier, basic
- the oil supplement is 100%;
- the herbicidal combination is a combination of saflufenacil and glyphosate, and the weight ratio is 1:40;
- the emulsifier is castor oil polyoxyethylene ether and phenethylphenol polyoxyethylene ether sulfonic acid
- the combination of salt, the weight ratio is 1: 0.1;
- the castor oil polyoxyethylene ether is purchased from Jiangsu Haian Petrochemical Plant, specification EL30;
- the phenethylphenol polyoxyethylene ether sulfonate is purchased from Shandong Tiandao Bioengineering Co., Ltd., model 602#;
- the wetting agent is alkylphenol polyoxyethylene ether formaldehyde con
- the preparation method of the dispersible oil suspension agent is as follows: mixing the herbicidal composition, emulsifier, wetting agent, dispersing agent, defoaming agent, viscosity regulator and base oil, and shearing and dispersing for 30 minutes; then grinding until D97 is 5 ⁇ m , that is.
- Embodiment 3 provides a herbicide dispersible oil suspension agent, which at least comprises the following components by weight percentage: 50% of herbicide composition, 20% of emulsifier, 5% of wetting agent, 5% of dispersant, viscosity adjustment
- the herbicidal combination is a combination of saflufenacil and glyphosate, and the weight ratio is 1:40;
- the emulsifier is castor oil polyoxyethylene ether and phenethylphenol polyoxyethylene
- the combination of oxyethylene ether sulfonate, the weight ratio is 1: 0.5; the castor oil polyoxyethylene ether, purchased from Jiangsu Haian Petrochemical Plant, specification EL30; the phenethylphenol polyoxyethylene ether sulfonate , purchased from Shandong Tiandao Biological Engineering Co., Ltd., model 602#;
- the wetting agent is alkylphenol polyoxyethylene ether formaldehyde condensate sulfate,
- the preparation method of the dispersible oil suspension agent is as follows: mixing the herbicidal composition, emulsifier, wetting agent, dispersing agent, defoaming agent, viscosity modifier and base oil, and dispersing at high speed for 30 min; then grinding to D97 of 1 -10 ⁇ m, that is.
- Example 4 The difference between Example 4 and Example 1 is that the emulsifier does not include castor oil polyoxyethylene ether.
- Example 5 The difference between Example 5 and Example 1 is that the emulsifier does not include phenethylphenol polyoxyethylene ether sulfonate.
- Example 6 The difference between Example 6 and Example 1 is that in the emulsifier, phenethylphenol polyoxyethylene ether sulfonate is replaced with alkylphenol polyoxyethylene ether.
- Example 7 The difference between Example 7 and Example 1 is that the dispersant does not include alkylnaphthalenesulfonic acid formaldehyde condensate.
- Example 8 The difference between Example 8 and Example 1 is that the dispersant does not include alkylamide polyoxyethylene ether phosphate.
- Example 9 The difference between Example 9 and Example 1 is that in the dispersant, the alkylnaphthalenesulfonic acid formaldehyde condensate is replaced by sodium lignosulfonate.
- Example 10 The difference between Example 10 and Example 1 is that the alkyl amide polyoxyethylene ether phosphate in the dispersant is replaced with an alkylphenol polyoxyethylene ether phosphate.
- Example 11 The difference between Example 11 and Example 1 is that the viscosity modifier does not include magnesium aluminum silicate.
- Example 12 The difference between Example 12 and Example 1 is that the base oil does not include methyl oleate.
- Example 13 The difference between Example 13 and Example 1 is that the herbicidal combination is a combination of saflufenacil and glyphosate, and the weight ratio is 1:30.
- Viscosity At room temperature, the viscosity of the dispersible oil suspension was measured with an NDJ-1 rotational viscometer, and each sample was repeatedly measured three times, and the average value was taken.
- the spray treatment was carried out on a crawler-type crop sprayer (designed and produced by Engineer Research Ltd., UK) (spray pressure 1.95kg/cm 2 , spray volume 500L/hm 2 , crawler speed 1.48km/h), and the experiment Set 3 repetitions.
- the test materials are processed, they are placed in the operation hall. After the liquid is naturally air-dried, it is placed in the greenhouse for management according to conventional methods. The response of the tested weeds to the drug is observed and recorded. Weed control effect.
- PA is the proportion of agent A in the active ingredients of the mixture
- PB is the proportion of agent B in the active ingredients of the mixture, if the co-toxicity coefficient is less than 80, it is an antagonistic effect; if the co-toxicity coefficient is greater than 120, it is Synergistic effect; co-toxicity coefficient between 80-120 is additive effect.
- Table 2 The results of the control effect test of the mixed use of saflufenacil and glyphosate against glyphosate-resistant P.
- weeds are oxtenoid grass and small fly pods, which grow vigorously and grow densely, with an average plant height of 10-30 cm when treated; there are others such as annual pods, water celery, crabgrass, bermudagrass, lychee A small amount of weeds such as grass, motherwort, cnidium, etc.
- the spray equipment is 3WBD-20L electric sprayer
- the nozzle is a fan nozzle
- the working pressure is 0.2-0.4Mpa
- the spray volume is 45kg/mu
- the spray is uniform.
- the pesticides are mainly mixed with glyphosate, dimethyltetrachloride and dicamba.
- Meteorological data The day of application was sunny, with an average temperature of 20.4°C, a maximum temperature of 25.3°C, and a slight breeze. During the test period, there were many rainy days, but there was no obvious harsh environment.
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Abstract
Description
Claims (10)
- 一种除草组合物,其特征在于,所述组合物包括组苯嘧草唑和草甘膦;所述苯嘧草唑和草甘膦的重量比为1∶(10-100)。
- 一种除草组合物制剂,其特征在于,由权利要求1所述的除草组合物和农药学上可接受的辅料组成。
- 根据权利要求2所述的除草组合物制剂,其特征在于,所述除草组合物制剂的剂型选自可溶液剂、微乳剂、可分散油悬浮剂、可湿性粉剂、水分散粒剂中的一种。
- 根据权利要求2所述的除草组合物制剂,其特征在于,所述除草组合物占所述除草组合物制剂的重量百分比为5%-90%。
- 根据权利要求2所述的除草组合物制剂,其特征在于,所述除草组合物制剂的剂型为可分散油悬浮剂;所述农药学上可接受的辅料包括乳化剂、润湿剂、分散剂、稳定剂、消泡剂、黏度调节剂、基础油中的至少一种。
- 根据权利要求5所述的除草组合物制剂,其特征在于,所述乳化剂选自蓖麻油聚氧乙烯醚、十二烷基苯磺酸钙、脂肪醇聚氧乙烯醚、脂肪酸聚氧乙烯酯、烷基酚甲醛树脂聚氧乙烯醚、山梨醇酐单硬脂酸酯、失水山梨醇单硬脂酸酯聚氧乙烯醚、苯乙基酚聚氧乙烯醚、苯乙基苯酚聚氧乙烯聚氧丙烯醚、烷氧基聚氧乙烯醚磺酸盐、脂肪醇硫酸盐、烷基磷酸酯盐、脂肪醇聚氧乙烯醚硫酸盐、EO-PO嵌段共聚物和苯乙基酚聚氧乙烯醚磺酸盐中的至少一种。
- 根据权利要求6所述的除草组合物制剂,其特征在于,所述乳化剂为蓖麻油聚氧乙烯醚和苯乙基酚聚氧乙烯醚磺酸盐的组合,重量比为1∶(0.1-0.5)。
- 根据权利要求5所述的除草组合物制剂,其特征在于,所述分散剂选自聚羧酸盐、木质素磺酸盐、EO-PO嵌段共聚物、磷酸酯及其盐类、磺酸盐类、烷基萘磺酸盐、烷基酚聚氧乙烯醚和脂肪醇聚氧乙烯醚中的至少一种。
- 根据权利要求5所述的除草组合物制剂,其特征在于,所述黏度调节剂为有机膨润土和硅酸镁铝的组合,重量比为1∶(0.5-2)。
- 一种根据权利要求1所述的除草组合物的应用,其特征在于,应用于防除非耕地杂草。
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JP2023544452A JP2024505859A (ja) | 2021-03-22 | 2022-02-10 | 除草組成物、製剤およびその応用 |
EP22773929.9A EP4230041A1 (en) | 2021-03-22 | 2022-02-10 | Herbicidal composition, preparation, and application thereof |
CA3204749A CA3204749A1 (en) | 2021-03-22 | 2022-02-10 | Herbicidal composition, preparation, and application thereof |
BR112023007701A BR112023007701A2 (pt) | 2021-03-22 | 2022-02-10 | Um tipo de composição herbicida, preparação e sua aplicação |
AU2022244795A AU2022244795B2 (en) | 2021-03-22 | 2022-02-10 | Herbicidal composition, preparation, and application thereof |
KR1020237013491A KR20230070297A (ko) | 2021-03-22 | 2022-02-10 | 일종 제초 조성물, 제제 및 그 응용 |
ZA2023/05792A ZA202305792B (en) | 2021-03-22 | 2023-05-30 | Herbicidal composition, preparation and its application |
CONC2023/0008684A CO2023008684A2 (es) | 2021-03-22 | 2023-06-30 | Un tipo de composición herbicida, y su formulación y aplicación |
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CN113412840A (zh) * | 2021-03-22 | 2021-09-21 | 南通江山农药化工股份有限公司 | 一种除草组合物、制剂及其应用 |
CN113455513A (zh) * | 2021-06-26 | 2021-10-01 | 南通江山农药化工股份有限公司 | 一种除草组合物、制剂及其应用 |
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