WO2018076667A1 - Composition herbicide dans des champs de blé et son utilisation - Google Patents

Composition herbicide dans des champs de blé et son utilisation Download PDF

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Publication number
WO2018076667A1
WO2018076667A1 PCT/CN2017/084920 CN2017084920W WO2018076667A1 WO 2018076667 A1 WO2018076667 A1 WO 2018076667A1 CN 2017084920 W CN2017084920 W CN 2017084920W WO 2018076667 A1 WO2018076667 A1 WO 2018076667A1
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Prior art keywords
methyl
active ingredient
group
herbicidal composition
hydrogen atom
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PCT/CN2017/084920
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English (en)
Chinese (zh)
Inventor
金涛
王金信
路兴涛
彭学岗
张景远
赵德
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江苏清原农冠杂草防治有限公司
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Publication of WO2018076667A1 publication Critical patent/WO2018076667A1/fr

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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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • 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
    • A01N37/44—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 at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/48—Nitro-carboxylic acids; Derivatives 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
    • A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
    • A01N39/04—Aryloxy-acetic acids; Derivatives 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • 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
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647—Triazoles; Hydrogenated triazoles
    • A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • 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
    • A01N43/74—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 1,3
    • A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
    • 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<
    • A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
    • 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<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one 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
    • 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

Definitions

  • the invention belongs to the field of pesticides, and in particular relates to a wheat field herbicidal composition comprising a pyrazolone compound and application thereof.
  • herbicide chemical weeding is the most economical and effective means of controlling weeds in farmland.
  • long-term continuous high-dose use of single-species or single-acting chemical herbicides is likely to cause problems such as weed resistance and resistance evolution.
  • Rational compounding or compounding of herbicide compounds has the advantages of expanding weed spectrum, improving control effect, delaying the occurrence and development of weed resistance and drug resistance, and is one of the most effective methods to solve the above problems.
  • HPPD P-hydroxyphenylpyruvate dioxygenase
  • ACCase acetyl-CoA carboxylase
  • ALS acetolactate synthase
  • Protox protoporphyrin oxidase
  • HPPD inhibitors Another class of new herbicides.
  • the action of HPPD inhibitors is characterized by a broad spectrum of herbicidal activity, which can be used before and after emergence, and the weeds die after whitening. Although the symptoms are very similar to those of carotenoid bioinhibitors, their chemical structural features such as polarity and ionization are significantly different from known carotenoid bioinhibitors.
  • PPO Protoporphyrinogen oxidase
  • PDS phytoene dehydrogenase
  • Photosynthesis photosystem II herbicides in wheat field are: bromoxynil, octanoyl bromoxynil, iodobenzonitrile, bentazone, isoproturon, chloromeron, tertidine, chlorpyrifos, oxalofen
  • Photosynthetic photosystem II herbicide is a selective herbicide for post-emergence stem and leaf treatment. It is mainly absorbed by the leaves. It can quickly make tissue necrosis by inhibiting various processes of photosynthesis.
  • the above-mentioned medicaments can be used for controlling broad-leaved weeds such as sage, leeks and piglets in wheat fields, but when the medicaments are used alone, the dosage is large, and there is a heavier safety risk to wheat, and the weeds are prevented when the dosage is small. Poor effect, need to strictly grasp the application technology and dosage.
  • Photosynthesis photosystem II herbicides and ALS inhibitors such as bensulfuron-methyl, bensulfuron-methyl and diflufenacil have no cross-resistance resistance caused by target resistance.
  • Common phytoene dehydrogenase inhibitor herbicides in wheat field include: flufenacetate, flufenacetin, etc., which are carotenoid biosynthesis inhibitors, causing chlorophyll destruction and cell rupture. Plant death is a broad-spectrum selective wheat field herbicide. It is suitable for barley and wheat fields to control broadleaf weeds such as sage, leeks, piglets and cattle. However, when the medicament is used alone, the dosage is large, and there is a heavier safety risk to the wheat. When the dosage is small, the control effect on the weeds is poor, and the application technique and the dosage are strictly controlled. Photosynthesis photosystem II herbicides and ALS inhibitors such as bensulfuron-methyl, bensulfuron-methyl and diflufenacil have no cross-resistance resistance caused by target resistance.
  • the present invention provides a wheat field herbicidal composition comprising a pyrazolone compound and an application thereof, which can effectively prevent broadleaf weeds in a wheat field, and has an expanded killing The characteristics of the grass spectrum, synergistic effect, reduction of application rate, safety of crops, and ability to solve resistant weeds.
  • a wheat field weeding composition comprising a herbicidally effective amount of active ingredient A and active ingredient B, wherein active ingredient A is one of the following formulas:
  • R 1 is a hydrogen atom, a methyl group, an ethyl group, a cyclopropyl group
  • R 2 is methyl, ethyl, isopropyl
  • R 3 is ethoxy, fluoroethoxy, difluoroethoxy, trifluoroethoxy, pyrazolyl
  • R 4 is a chlorine atom, a methyl group
  • R 5 , R 6 and R 7 are alkyl, alkoxy, halogen-substituted alkyl, alkoxy;
  • the active ingredient B is selected from one or more of the following compounds:
  • phenoxycarboxylic acid 2 methyl 4-chloro, 2 methyl 4-chloroethyl sulfide, MCPB, 2 methyl 4-chloropropionic acid, 2 methyl 4-chlorodimethylammonium salt, 2 methyl 4-chloroisooctyl ester, 2, 4 -D isooctyl ester, 2,4-dichlorophenoxyacetic acid, 2,4-DB, 2,4-D-propionic acid;
  • acetamides flufenacet, mefenacet, and naphthylamine
  • aryloxyphenoxypropionates benzoxazole, clodinafop, acetyl oxalic acid;
  • Sulfonamides diflufenacil, sulfometrimine, acesulfame;
  • Phenylpyrazoline oxazolin.
  • R 1 is a hydrogen atom
  • R 2 is methyl, ethyl
  • R 3 is ethoxy, fluoroethoxy, difluoroethoxy, trifluoroethoxy
  • R 4 is a chlorine atom
  • R 5 , R 6 and R 7 are alkyl, alkoxy, halogen-substituted alkyl, alkoxy.
  • the active ingredient A is A 1 , A 2 or A 3 , when R 1 is a hydrogen atom, R 2 is an ethyl group, R 3 is a 2,2,2-trifluoroethoxy group, and R 4 is a chlorine atom, R 5 is a methyl group, R 6 is a methyl group, R 7 is a hydrogen atom, and A 1 ; when R 1 is a hydrogen atom, R 2 is a methyl group, R 3 is a difluoroethoxy group, and R 4 is a chlorine atom, R 5 is a methyl group, R 6 is a methyl group, R 7 is a hydrogen atom, and A 2 ; when R 1 is a hydrogen atom, R 2 is an ethyl group, R 3 is an ethoxy group, and R 4 is a chlorine atom.
  • R 5 is a methyl group
  • R 6 is a methyl group
  • the active ingredient B is 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 One or more of lingual, clodinafop, ethinyl oxalic acid, oxadiazon, methyl disulfuron, flufensulfuron, diflufenacil, acesulfame, oxazolin, and chloromeron.
  • lingual, clodinafop ethinyl oxalic acid, oxadiazon, methyl disulfuron, flufensulfuron, diflufenacil, acesulfame, ox
  • the weight ratio of A to B is 1-100:1-100, preferably the weight ratio of A to B is 1-80:1-80, 1-50:1-50, 1-30:1-30, Preferably, the weight ratio of A to B is 1-20:1-20, 1-10:1-10, 1:1-50, 1:1-30, 1-50:1, 1-30:1, in the Within the range of the defined weight ratio, the active ingredient A and the active ingredient B are compounded to achieve a synergistic technical effect.
  • the weight ratio of A 1 to B is 1-100:1-100, preferably the weight ratio of A 1 to B is 1-80:1-80, 1-50:1-50 , 1-30: 1-30, more preferably the weight ratio of A 1 to B is 1-20: 1-20, 1-10: 1-10, 1:1-50, 1 :1-30, 1-50 :1,1-30:1, in the range of the defined weight ratio, the active ingredient A 1 and the active ingredient B are compounded to obtain a synergistic effect.
  • the weight ratio of A 2 to B is 1-100:1-100, preferably the weight ratio of A 2 to B is 1-80:1-80, 1-50:1-50 , 1-30: 1-30, more preferably the weight ratio of A 2 to B is 1-20: 1-20, 1-10: 1-10, 1:1-50, 1:1-30, 1-50 :1,1-30:1, in the range of the defined weight ratio, the active ingredient A 2 is mixed with the active ingredient B to obtain a synergistic technical effect.
  • the weight ratio of A 3 to B is 1-100:1-100, preferably the weight ratio of A 3 to B is 1-80:1-80, 1-50:1-50 , 1-30: 1-30, more preferably the weight ratio of A 3 to B is 1-20: 1-20, 1-10: 1-10, 1:1-50, 1:1-30, 1-50 :1,1-30:1, in the range of the defined weight ratio, the active ingredient A 3 is mixed with the active ingredient B to obtain a synergistic technical effect.
  • the mass percentage of A and B in the synergistic herbicidal composition is from 1 to 95%, preferably from 10 to 80%, based on the total amount.
  • the herbicidal compositions of the present invention comprise from 1 to 95 parts by weight of active ingredient and from 5 to 99 parts by weight of a conventional pesticide adjuvant.
  • auxiliaries of the compositions of the present invention may be carriers, surfactants and the like.
  • carrier refers to an organic or inorganic, natural or synthetic material. They aid in the administration of the active ingredient which is generally inert and must be agriculturally acceptable, especially accepted by the treated plant.
  • the carrier may be solid, such as clay, natural or synthetic silicate, silica, resin, wax, solid fertilizer, etc.; or liquid Such as water, alcohols, ketones, petroleum fractions, aromatic or wax hydrocarbons, chlorinated hydrocarbons, liquefied gases, and the like.
  • Surfactants may include emulsifiers, dispersants or wetting agents, which may be ionic or nonionic. Examples which may be mentioned are salts of polyacrylic acid, lignosulfonates, salts of phenolsulfonic or naphthalenesulfonic acid, ethylene oxide with aliphatic alcohols or with aliphatic acids or with aliphatic amines and substituted phenols (especially a polymer of an alkylphenol or an arylphenol, a sulfosuccinate, a taurine derivative (especially a taurine alkyl ester), a phosphate ester of an alcohol or a phosphate of a polyhydroxyethylated phenol, Alkyl sulfonates, alkyl aryl sulfonates, alkyl sulfates, lauryl ether sulfates, fatty alcohol sulfates, and sulfated hexadecane, hepta-
  • compositions may also contain various other components such as protective colloids, binders, thickeners, thixotropic agents, penetrants, stabilizers, chelating agents, dyes, colorants, and polymers.
  • compositions of the present invention may be diluted or used directly by the user prior to use.
  • the preparation can be prepared by a usual processing method, that is, after mixing the active material with a liquid solvent or a solid carrier, and then adding one or more of a surfactant such as a dispersing agent, a stabilizer, a wetting agent, a binder, an antifoaming agent, and the like.
  • a surfactant such as a dispersing agent, a stabilizer, a wetting agent, a binder, an antifoaming agent, and the like.
  • Specific formulations of the herbicidal compositions are emulsifiable concentrates, aqueous suspensions, microemulsions, suspoemulsions, aqueous emulsions, dispersible oil suspensions, wettable powders or water-dispersible granules (dry suspensions).
  • the content of the following components is: 1 to 70% of the active ingredient A, 1 to 50% of the active ingredient B, 5 to 10% of the dispersing agent, 2 to 10% of the wetting agent, and the balance of the filler.
  • the active ingredient A, the active ingredient B, the dispersing agent, the wetting agent, and the filler are mixed, uniformly mixed in a mixing tank, pulverized by a jet mill, and then uniformly mixed to obtain a wettable powder product of the composition of the present invention.
  • the content of the following components is as follows: active ingredient A 1 to 70%, active ingredient B 1 to 50%, dispersant 3 to 12%, wetting agent 1 to 8%, disintegrating agent 1 to 10%, binder 1 to 8%, filler balance.
  • the active ingredient A, the active ingredient B, a dispersing agent, a wetting agent, a disintegrating agent, a filler, and the like are pulverized together to obtain a desired particle diameter, and then a binder or the like is added to obtain a granulation material.
  • the water-dispersible granule product of the composition of the present invention is obtained by quantitatively feeding the product into a fluidized bed granulation dryer, granulating and drying.
  • composition When the composition is formulated into a suspending agent, the content of the following components is included: active ingredient A 0.1-40%, active ingredient B 0.1-30%, dispersing agent 2-10%, humectant 2-10%, antifoaming agent 0.1-1%. , binder 0.1 to 2%, antifreeze 0.1 to 8%, go Ionized water is added to 100%.
  • Dispersing agent, wetting agent, antifoaming agent, thickening agent and antifreezing agent in the above formula are uniformly mixed by high speed shearing, adding active ingredient A and active ingredient B, and ball milling in a ball mill for 2 to 3 hours to make the particles
  • the suspension product of the composition of the present invention was obtained in all of the diameters below 5 ⁇ m.
  • composition When the composition is made into a suspoemulsion, the content of the following components is included: active ingredient A 0.1-40%, active ingredient B 0.1-30%, emulsifier 2-12%, dispersant 2-10%, defoamer 0.1-2% , thickener 0.1 to 2%, antifreeze 0.1 to 8%, stabilizer 0.05 to 3%, water to 100%.
  • Dispersing agent, antifoaming agent, thickening agent, antifreeze agent and stabilizer in the above formula are uniformly mixed by high speed shearing, adding active ingredient B to the original drug, and ball milling in a ball mill for 2 to 3 hours to make the particle size all
  • the active ingredient B suspending agent is prepared at 5 ⁇ m or less, and then the active ingredient A original drug, emulsifier and various auxiliary agents are directly emulsified into a suspension by a high-speed stirrer to obtain a suspoemulsion product of the composition of the present invention.
  • composition When the composition is made into an aqueous emulsion, the content of the following components is included: active ingredient A 0.1% to 40%, active ingredient B 0.1% to 30%, solvent 2% to 10%, emulsifier 2% to 12%, dispersant 2%. ⁇ 10%, co-emulsifier 0.2% to 5%, antifreeze 0.1% to 8%, antifoaming agent 0.1% to 2%, thickener 0.1% to 2%, deionized water to 100%.
  • the original drug, solvent, emulsifier and co-emulsifier are added together in the above formula to dissolve into a uniform oil phase.
  • Deionized water, dispersant, antifreeze, antifoaming agent, thickener are mixed together to form a uniform aqueous phase, and the aqueous phase is slowly dropped into the oil phase under high-speed stirring to prepare the composition of the present invention.
  • Good water emulsion products are used to prepare the composition of the present invention.
  • composition When the composition is made into a microemulsion, the content of the following components is included: active ingredient A 0.1% to 40%, active ingredient B 0.1% to 30%, emulsifier 5% to 15%, solvent 2% to 10%, antifreeze 5 % ⁇ 10%, stabilizer 0.5% ⁇ 3%, deionized water added to 100%.
  • the original drug, solvent and emulsifier in the above formula are added into the mother liquor to prepare a uniform oil phase, and the deionized water and the antifreezing agent are uniformly mixed and injected into the product preparation kettle, and the mixture is uniformly mixed to form the combination of the invention.
  • compositions of the present invention can be combined with solid and liquid additives conventionally used in prior art formulations.
  • the herbicidal composition further comprises a safener C selected from the group consisting of pyrazolium, detoxification quinone, dibenzoxazole acid, cyclopropanesulfonamide, naphthalic anhydride (NA), Chlorfenac, R-28725, AD-67, CGA-154281 (Benoxacor), CGA-43089 (Cyometrinil), CGA-43089 (Cyometrinil), Hoe-70542 (Fenchlorazole), Fenclorim, and grass An, BAS-145138, MON-13900, quinoline derivatives, sulfonylurea (amine) safeners, 2,4-D (organic acids), new antidote T (main component 4% Ti 4+ ) and One or more of gibberellins (GA).
  • a safener C selected from the group consisting of pyrazolium, detoxification quinone, dibenzoxazole acid, cyclopropanesulfonamide,
  • composition of the invention can be applied to the leaves of the plant to be treated by spraying, i.e. to the weeds, in particular On the surface which is infested or susceptible to weeds which are harmful to crop growth, these active ingredients are usually applied at a dose of from 15 to 1500 g/ha, preferably from 30 to 750 g/ha.
  • the herbicidal composition of the present invention has passed the 2-year field efficacy test, and it shows that in the period from the 3rd leaf stage to the regreening stage of wheat, the weeds 1-5 leaves are not in the same period, and the symptoms of phytotoxicity are not seen in the wheat from application to maturity. Wheat is safe.
  • the control effect of weeds reached more than 90% in 45 days. With the increase of drug dosage, the control effect increased significantly. Once applied, the weeds could be controlled during the whole growth period of the crop. Not only the herbicidal effect was significant, but also environmentally friendly. No impact on the next crop.
  • composition of the present invention is an environmentally friendly herbicide which is easily degraded in the environment and is safe for both glutinous wheat and post-crop crops.
  • the herbicidal composition of the invention has low cost and convenient use, and has great economic and social benefits for its popularization and application.
  • the herbicidal composition of the present invention can prevent weeds from resistant broad-leaved weeds and can prevent broad-leaved weeds which are resistant to ALS inhibitors, and is a wheat field weed.
  • the active ingredient A is A 1 and the active ingredient B is acesulfame.
  • composition of the formula is: 2% A 1 + 0.5% acesulfame + 5% cyclohexanone + 5% calcium dodecylbenzenesulfonate + 5% phenethyl phenol polyoxyethylene ether + 100 # aromatic hydrocarbon solvent oil Make up.
  • active ingredient A is A 3
  • active ingredient B is 2,4-D isooctyl ester.
  • Formulation composition 2% A 3 +25% 2,4-D isooctyl ester + 5% cyclohexanone + 4% calcium dodecylbenzenesulfonate + 6% nonylphenol polyoxyethylene ether + 100 # aromatic hydrocarbon Solvent oil to make up.
  • the above processing equipment for the emulsifiable concentrate a vacuum pump, a batching kettle, and a storage tank.
  • the active ingredient A is A 2
  • the active ingredient B is benzoxazole.
  • composition of the formula is: 3% A 2 +6% benzoxazole and 6% cyclohexanone + 6% 150 #solvent oil + 10% ethanol + 8% lauryl calcium sulfonate + 8% nonylphenol Polyoxyethylene ether + 5% phenethyl phenol polyoxyethylene ether formaldehyde resin condensate + water to make up.
  • the active ingredient A is A 1 and the active ingredient B is clodinafop.
  • composition of the formula is: 6% A 1 +9% acetylene ester + 10% cyclohexanone + 10% ethylene glycol butyl ether + 8% calcium dodecyl sulfonate + 8% castor oil polyoxyethylene ether + 5% Phenylethyl phenol polyoxyethylene ether formaldehyde resin condensate + water to make up.
  • the active ingredient A is A 3 and the active ingredient B is oxazolin.
  • the formula consists of: 2% A 3 + 4% oxazolin + 10% cyclohexanone + 5% 150 # solvent oil + 10% ethylene glycol butyl ether + 8% lauryl calcium sulfonate + 8% fat Alcohol polyoxyethylene ether + 5% phenethyl phenol polyoxyethylene ether formaldehyde resin condensate + water to make up.
  • microemulsion processing equipment vacuum pump, batching kettle, storage tank.
  • the original drug and the solvent are put into the batching kettle, stirred and dissolved until completely transparent, then the emulsifier is added, and the mixture is evenly stirred. Finally, water is added, and the mixture is stirred until the solution is completely transparent. After the test is passed, the solution is transferred to the tank for filling.
  • the active ingredient A is A 1 and the active ingredient B is 2 methyl 4-chloroisooctyl ester.
  • Formulation composition 2.5% A 1 +24.5% 2 methyl 4-chloroisooctyl ester + 5% cyclohexanone + 3% phenethyl phenol polyoxyethylene ether phosphate triethanolamine salt + 2% phenethyl phenol polyoxyethylene Ether + 3% castor oil polyoxyethylene ether + 3% ethylene glycol + water to make up.
  • the above water emulsion processing equipment vacuum pump, batching kettle, storage tank, shearing kettle.
  • the above water emulsion processing process the original drug and the solvent are put into the batching kettle, stirred and dissolved until completely transparent, and then the emulsifier is added, and the mixture is uniformly stirred into an oil phase, and then the ethylene glycol, the defoaming agent and the water are pumped into the shearing kettle. Finally, in the shear state, the oil phase is slowly drawn into the shearing tank. After all the materials are drawn in, the cutting is continued for 1 hour. After the test is passed, the oil is transferred to the tank for filling.
  • the active ingredient A is A 1 and the active ingredient B is isoproturon.
  • composition of the formula is: 1.5% A 1 +38.5% isoproturon + 5% sodium lignosulfonate + 2% pull powder + 0.2% xanthan gum + 5% glycerol + water to make up.
  • the active ingredient A is A 1 and the active ingredient B is 2 methyl 4-chlorodimethylammonium salt.
  • Formulation composition 2.5% A 1 +19.5% 2 methyl 4-chlorodimethylammonium salt + 5% polycarboxylate dispersant + 2% fatty alcohol polyoxyethylene ether + 0.3% xanthan gum + 5% glycerol + The balance of water to make up.
  • the above suspension processing equipment mixing tank, colloid mill, sand mill, shearing machine and the like.
  • the above suspending agent processing process all materials are put into the mixing tank, stirred and mixed, then passed through the colloid mill, then enter the sand mill three-stage sanding, and finally cut evenly in the shearing machine, and after passing the test, transfer to the storage tank Filling.
  • active ingredient A is A 1
  • active ingredient B is isoproturon.
  • Formulation composition 1% A 1 +35% isoproturon + 5% fatty alcohol polyoxyethylene ether phosphate triethanolamine salt + 5% sorbitan fatty acid polyoxyethylene ester + 2% castor oil polyoxyethylene ether + 0.6% organic bentonite + methyl oleate to make up.
  • the active ingredient A is A 1 and the active ingredient B is methyl disulfuron.
  • Formulation composition 4% A 1 +1.8% methyl disulfuron + 5% sodium sec-butyl dioctyl sulfonate + 5% sorbitan fatty acid polyoxyethylene ester + 6% castor oil polyoxyethylene ether +3% organic bentonite + 3% fumed silica + 20% soybean oil + methyl oleate to make up.
  • active ingredient A 2 when active ingredient B is flufensulfuron.
  • Formulation composition 4% A 2 +6% flufensulfuron + 5% fatty alcohol polyoxyethylene ether phosphate triethanolamine salt + 5% fatty alcohol polyoxyethylene ether + 4% castor oil polyoxyethylene ether + 3% Organic bentonite + 20% soybean oil + methyl oleate to make up.
  • the active ingredient A is A 1 and the active ingredient B is diflufenacil.
  • Formulation composition 4% A 1 +1% diflufenacil + 5% sodium sec-butyl octadecyl sulfonate + 5% sorbitan fatty acid polyoxyethylene ester + 4% nonyl phenol polyoxyethylene Ether + 2.6% organic bentonite + 25% soybean oil + methyl oleate to make up.
  • active ingredient A is A 1
  • active ingredient B is acesulfame.
  • Formulation composition 2% A 1 +0.9% acesulfame + 5% fatty alcohol polyoxyethylene ether phosphate triethanolamine salt + 5% sorbitan fatty acid polyoxyethylene ester + 6% nonylphenol polyoxyethylene Ether + 3% organic bentonite + 25% soybean oil + methyl oleate to make up.
  • the above dispersible oil suspension processing equipment mixing tank, colloid mill, sand mill, shearing machine and the like.
  • the above dispersible oil suspension agent processing process all materials are put into the mixing kettle, stirred and mixed, then passed through the colloid mill, then enter the sand mill three-stage sanding, and finally cut evenly in the shearing machine, after passing the test, transfer To the tank filling.
  • active ingredient A is A 3
  • active ingredient B is green merlon.
  • composition of the formula is: 1.5% A 3 + 50% green merlon + 10% sodium lignosulfonate + 5% pull powder + 5% precipitation method white carbon black + diatomaceous earth to make up.
  • the above wettable powder processing equipment a mechanical pulverizer and a jet mill.
  • the above wettable powder processing process the original drug, the auxiliary agent, the white carbon black, the kaolin, etc. are put into the mechanical pulverizer, and then passed through the airflow pulverizer, and the sample is tested and qualified for use.
  • the active ingredient A is A 1 and the active ingredient B is oxazolone.
  • composition of the formula is: 12% A 1 + 8% oxalofenone + 10% naphthalene sulfonate + 5% pull-open powder + 1% disintegrant polyvinyl alcohol + filler diatomaceous earth to make up.
  • the active ingredient A is A 1 and the active ingredient B is 2 methyl 4 chlorine.
  • composition of the formula is: 6% A 1 +32% 2 methyl 4 chloro + 12% polycarboxylate + 5% fatty alcohol polyoxyethylene ether + 1% disintegrant polyvinyl alcohol + filler kaolin complement.
  • the active ingredient A is A 3 and the active ingredient B is humulones.
  • composition of the formula is: 6% A 3 + 60% oxaloin + 15% polycarboxylate + 5% pull-open powder + 1% disintegrant polyvinyl alcohol + filler bentonite to make up.
  • the above water dispersible granule processing equipment a jet mill, a coulter mixer, a basket granulator, a drying box, a screening machine, and the like.
  • the above water-dispersible granule processing process the above materials are uniformly mixed and pulverized by air flow, added with water to knead and granulate, then dried, and finally sieved to obtain a finished product.
  • Descurainia sophia and Myosoton aquaticum were collected from the wheat field of the test site in Huangdao District, Shandong province.
  • the above weeds were cultured by pot culture, and placed in an enamel pan with 180 ⁇ 140mm plastic nutrient bowl.
  • the surface soil was collected from the farmland and passed through the air-screened surface (4/5).
  • the initial humidity of the soil was controlled at 20%.
  • the seeds with full and uniform seeds were soaked in warm water at 25 ° C for 6 hours, germinated in a 28 ° C biochemical incubator (dark), and the white weed seeds were evenly placed on the soil surface, and then covered with soil 0.7 cm.
  • the medicine is placed in a controllable solar greenhouse, and a certain amount of water is regularly added to the enamel tray to keep the soil moist.
  • the active ingredient B required is a commercially available original drug, and the active ingredient A is produced by the company.
  • the original drugs were all treated with acetone as a solvent, diluted with 0.1% emulsifier T-80 aqueous solution, and now diluted.
  • the characteristics of the two agents and their virulence should be measured, and the main purpose of the formulation should also be considered.
  • the active ingredient A and the active ingredient B were used alone and mixedly in the table. A total of 15 groups were designed. Water containing no drug, the same solvent and an emulsifier was used as a blank control.
  • Each treatment was repeated 4 times, and each time 3 pots were treated, 20 seeds of weed seeds were planted per pot, and 60 plants per treatment.
  • the cultured test materials were evenly placed on a platform with an area of 0.5 m 2 , and sprayed with a 3WP-2000 type walking spray tower, and the spray amount was 30 kg/ha.
  • the spray pressure was 0.3 MPa. After all the liquid medicines have been sprayed, close the air valve. After 30 seconds, open the spray tower door and take out the nutrient bowl. Then open the gas valve, spray 50 mL of water, and clean the spray tube.
  • the whole seedlings of the living weeds were cut along the surface of the soil with a blade, and the fresh weight of the weeds was weighed by an analytical balance. For dead weeds, the fresh weight is zero.
  • the investigation was conducted 20 days after the treatment, and a total of 1 investigation was conducted.
  • E measured inhibition rate
  • the E-E0 value is greater than 10% for synergism, less than -10% for antagonism, and between -10% and 10% for additive effect.
  • Factors such as the balance of the square determine the best ratio.
  • X is the fresh weight inhibition rate when the amount of the active ingredient A is P; and Y is the fresh weight inhibition rate when the amount of the active ingredient B is Q.
  • Test method the weed seeds are uniformly germinated, and the pre-treated test weed seeds are evenly spread on the soil surface. Before the application, the seedlings were planted, and each pot was fixed to 30 plants, and each pot was treated with 4 pots. The weeds were sprayed with stems and leaves, the number of dead plants was investigated, and the control effect of weed plants was calculated (the average control effect of the plants in the table was the average of 4 replicates), and the test was statistically analyzed 45 days later.
  • composition of the present invention has a good control effect on broad-leaved weeds in wheat field, active ingredients A and 2 methyl 4-chloro, 2 methyl 4-chloroisooctyl ester, 2 methyl 4-chloro
  • active ingredients A and 2 methyl 4-chloro 2 methyl 4-chloroisooctyl ester
  • 2 methyl 4-chloro There is a significant synergistic effect between dimethylamine salt, 2,4-D isooctyl ester, isoproturon, oxazolone, acesulfame, and chloromeron active ingredients.
  • the synergy is particularly evident and safe for wheat.
  • oxazolone water-dispersible granules and 10% acesulfame-containing emulsifiable concentrate have slight phytotoxicity to wheat at the dosage.
  • emulsifiable concentrate, suspoemulsion, suspending agent, dispersible oil suspension agent and water-dispersible granules show good convenience in the application process, and the control effect against weeds is outstanding, and greatly improved. The safety of the crop.
  • the experimental seed wormwood seeds were collected in Sicheng, Shijiazhuang, Hebei province in 2014, and were resistant to benzenesulfuron.
  • the application of Example 3.1 was carried out.
  • Test method the weed seeds are uniformly germinated, and the pre-treated test weed seeds are evenly spread on the soil surface. Before the application, the seedlings were planted, and each pot was fixed to 30 plants, and each pot was treated with 4 pots. The weeds were sprayed with stems and leaves, the number of dead plants was investigated, and the control effect of weed plants was calculated (the average of the plant control effects in the table was 4 replicates). The test was statistically analyzed 45 days later. The results are shown in Table 10:
  • the application treatment example 3.1 can effectively prevent the target resistance of the phensulfuron-methyl, and there is no cross-resistance with the benzosulfuron.
  • Test method wheat 3 leaves 1 heart, weed 3-5 leaf stage, manual sprayer, water consumption 15 kg / 667 m2, spray evenly with stem and leaf spray, the specific test agent and dosage are shown in Table 33, the plot area is 50 square meters, Repeat 4 times per treatment. See Table 12 for investigation and control effect on 45 days after application, and Table 13 for wheat safety.
  • pyrazolone herbicide A is mixed with active ingredient B for use.
  • the control of broadleaf weeds in post-emergence wheat fields has surprising and unexpected synergistic effects, especially for cruciferous weeds such as sage, amaranth, Indian leeks and broken rice bran.
  • the above-mentioned weeds with resistance to ALS inhibitors and PPO inhibitors have no cross-resistance and outstanding control effect, which is significantly higher than the single use, showing obvious synergistic effect and reducing the dosage. It is a good prospect to improve crop safety, reduce pollution to the environment, and rationally reduce the cost of agricultural use.
  • the herbicidal composition can not only effectively control non-resistant stalks of stalks, leeks, Indian leeks, broken rice bran, pork broth, sorghum, beef stalks, wheat grass, lacquer, big nest vegetables, wild old Common weeds such as cockroach, baocao grass, medlar, thorn vegetable, sorghum, etc., can also effectively prevent ALS inhibitors such as terfensulfuron, bensulfuron-methyl and diflufenacil, which are commonly used for target resistance.
  • ALS inhibitors such as terfensulfuron, bensulfuron-methyl and diflufenacil, which are commonly used for target resistance.
  • Cruciferous weeds that cause cross-resistance such as sage, burdock, Indian leeks, and broken rice bran.

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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

La présente invention concerne une composition herbicide dans des champs de blé comprenant des composés pyrazolones et son utilisation. La composition herbicide comprend une quantité efficace au plan herbicide d'un ingrédient actif (A) et d'un ingrédient actif (B), l'ingrédient actif (A) étant un ingrédient de la formule générale (I), R1 étant un atome d'hydrogène ; R2 étant un groupe méthyle ; R3 étant un groupe éthoxy ; R4 étant un atome de chlore ; R5, R6 et R7 étant des groupes alkyle, etc. ; et l'ingrédient actif (B) étant sélectionné parmi un ou plusieurs des composés suivants : les acides phénoxy carboxyliques ; les urées ; les triazolinones ; les éthers de diphényle ; les acétamides ; les aryloxyphénoxypropionates ; les cyclohexanediones ; les sulfonylurées ; les sulfonamides ; et les phényles pyrazolines. La composition peut efficacement prévenir et éradiquer les adventices à larges feuilles dans les champs de blé, et présente les caractéristiques d'un large spectre herbicide, d'effets synergétiques significatifs, de quantité d'épandage réduit, étant sans danger pour les cultures, et étant apte à extirper les adventices résistantes.
PCT/CN2017/084920 2016-10-28 2017-05-18 Composition herbicide dans des champs de blé et son utilisation WO2018076667A1 (fr)

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CN113016552B (zh) * 2021-03-17 2024-03-12 四川省农业科学院园艺研究所 一种诱导提高抱子芥抽薹开花效率的方法

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