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
  • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
  • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
  • A01N37/26—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof containing the group; 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
  • 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
  • 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
  • A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
  • A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
  • A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom

Definitions

• the present invention provides various weeds by mixing two or three types of herbicides in combination with one or more herbicides selected from pyraflufen-ethyl and a VLCFA synthesis inhibitor or a photosynthesis (photosystem II) inhibitor. It is a composition having a broad herbicidal spectrum in a synergistic manner, and when used on agricultural land and non-agricultural land, a herbicidal composition exhibiting an excellent control effect regardless of the type of weed and a method of using the same, particularly The present invention relates to a method for using the herbicidal composition in soil treatment and a method for controlling weeds.
• Pyraflufen-ethyl (generic name) is a known compound that is sold and used in Japan and overseas, and is a broad-leaved weed (dicotyledonous weed, hereinafter referred to as “dicotyledonous weed”) that is a harmful weed in field crops as a herbicide for foliar treatment.
• dicotyledonous weed broad-leaved weed
• the term “broadleaf weed” is used.) It is described as a compound having an excellent herbicidal activity for all (see Patent Document 1 and Non-Patent Document 1).
• VLCFA (very long chain fatty acid) synthesis inhibitors (hereinafter referred to as “VLCFA synthesis inhibitors”), acetochlor, alachlor, butachlor, dimetachlor, dimethenamide, metazachlor, metolachlor, petoxamide, pretilachlor, propachlor, propisochlor.
• VLCFA synthesis inhibitors VLCFA synthesis inhibitors
• Tenilchlor is also a known herbicide that is sold and used domestically and overseas (see Non-Patent Document 1), and is known to exert its effect by treating the soil before weed germination.
• photosynthesis inhibitors mainly grass weeds (monocotyledonous weeds, hereinafter referred to as “Gramineae weeds”).
• Dimetamethrin, promethone, promethrin, propazine, CAT (simazine), cimetrine, terbumethone, terbutyrazine, terbutrin and trietadine are also known herbicides sold and used in Japan and overseas (see Non-Patent Document 1), It is known that the effect is exhibited by treating the soil before germination of broad-leaved weeds.
• the present inventor has eagerly searched for a novel herbicidal composition in order to solve the above-mentioned problems.
• pyraflufen-ethyl known as a foliar treatment herbicide and a VLCFA that exerts an effect in soil treatment are surprisingly found.
• a synergistic effect is seen by mixing two or three kinds of herbicides in combination with one or more herbicides selected from (ultra-long chain fatty acid) synthesis inhibitors or photosynthesis (photosystem II) inhibitors as active ingredients.
• the present inventors have found that a high herbicidal effect is manifested against various types of weeds with a treatment dose smaller than the respective standard doses and is safe for cultivated plants.
• the present invention [1] a herbicidal composition comprising pyraflufen-ethyl and one or more compounds selected from an ultralong chain fatty acid synthesis inhibitor or a photosynthesis inhibitor as active ingredients, [2] Weeding characterized by containing 1 to 10000 parts by mass of one or more compounds selected from ultralong chain fatty acid synthesis inhibitors or photosynthesis inhibitors with respect to 1 part by mass of pyraflufen-ethyl Agent composition, [3] The very long chain fatty acid synthesis inhibitor is acetochlor, alachlor, butachlor, dimetachlor, dimethenamide, metazachlor, metolachlor, petoxamide, pletichlorol, propachlor, propisochlor or tenyl chlor, and the photosynthesis inhibitor is amethrin,
• a method for using a herbicidal composition comprising treating an effective amount of the herbicidal composition according to the above [1] to [6] on non-agricultural land or agricultural land before weeds are generated.
• Non-agricultural land characterized by applying pyraflufen-ethyl and one or more compounds selected from ultralong chain fatty acid synthesis inhibitors or photosynthesis inhibitors simultaneously or with a time difference Weeding method in farmland.
• One or two or more compounds selected from pyraflufen-ethyl and an ultralong chain fatty acid synthesis inhibitor and one or more compounds selected from a photosynthesis inhibitor at the same time or with a time difference A weeding method in non-agricultural land or agricultural land, characterized by About.
• the herbicidal composition of the present invention due to a synergistic effect, it is possible to exert an effect with a dose smaller than the dose that has been used alone, thereby reducing the environmental burden caused by the drug. .
• each active ingredient compared to the case where each active ingredient is used alone, it has a synergistic effect on many kinds of weed species regardless of Gramineae weeds and broadleaf weeds, so the number of control can be reduced and the burden on the sprayer Can be reduced.
• the active ingredient used in the herbicidal composition of the present invention is a known compound described in The Pesticide Manual, etc.
• Examples of combinations of active ingredients constituting the herbicidal composition of the present invention include pyraflufen-ethyl and a VLCFA synthesis inhibitor such as pyraflufen-ethyl and acetochlor, pyraflufen-ethyl and alachlor, pyraflufen-ethyl and butachlor.
• Pyraflufen-ethyl and dimethachlor Pyraflufen-ethyl and dimethachlor, pyraflufen-ethyl and dimethenamide, pyraflufen-ethyl and metazachlor, pyraflufen-ethyl and metolachlor, pyraflufen-ethyl and petoxamide, pyraflufen-ethyl and pretilachlor, pyraflufen-ethyl and propachlor, pyraflufen-ethyl and Examples include propisochlor or a combination of pyraflufen-ethyl and tenylchlor, such as pyraflufen-ethyl and acetochlor, pyra Rufen - ethyl and alachlor or pyraflufen - ethyl and metolachlor are preferred, pyraflufen - is most preferred combination of e
• the ratio of the combination of pyraflufen-ethyl and the VLCFA synthesis inhibitor is usually preferably 1: 2000 to 1:10, more preferably in the range of 1: 1000 to 1: 100, and in the range of 1: 500 to 1: 200. Most preferred.
• pyraflufen-ethyl and a photosynthesis inhibitor for example, pyraflufen-ethyl and amethrin, pyraflufen-ethyl and atrazine, pyraflufen-ethyl and cyanazine, pyraflufen-ethyl and desmethrin, pyraflufen-ethyl and dimetamethrin, pyraflufen-ethyl and promethone, pyraflufen -Ethyl and promethrin, pyraflufen-ethyl and propazine, pyraflufen-ethyl and CAT (simazine), pyraflufen-ethyl and cimetrine, pyraflufen-ethyl and terbumethone, pyraflufen-ethyl and terbutyrazine, pyraflufen-ethyl
• the combination of pyraflufen-ethyl and a photosynthesis inhibitor is usually preferably 1: 2000 to 1:10, more preferably 1: 1000 to 1: 100, and most preferably 1: 300 to 1: 100.
• three or more active ingredients can be combined, and one or more compounds selected from pyraflufen-ethyl, a VLCFA synthesis inhibitor and one or more photosynthesis inhibitors can be selected.
• a combination of compounds is preferred.
• Such combinations include, for example, pyraflufen-ethyl and acetochlor and amethrin, pyraflufen-ethyl and alachlor and amethrin, pyraflufen-ethyl and butachlor and amethrin, pyraflufen-ethyl and dimethachlor and amethrin, pyraflufen-ethyl and dimethenamide and amethrin , Pyraflufen-ethyl and metazachlor and amethrin, pyraflufen-ethyl and metolachlor and amethrin, pyraflufen-ethyl and petoxamide and amethrin, pyraflufen-ethyl and pretilachlor and amethrin, pyraflufen-ethyl and propachlor and amethrin, pyraflufen-ethyl and propiso
• Pyraflufen-ethyl and acetochlor and atrazine pyraflufen-ethyl and alachlor and atrazine, pyraflufen-ethyl and butachlor and atrazine, pyraflufen-ethyl and dimethachlor and atrazine, pyraflufen-ethyl and dimethenamide and atrazine, pyraflufen-ethyl and metazachlor and atrazine , Pyrafulfen-ethyl and metolachlor and atrazine, pyraflufen-ethyl and petoxamide, pyraflufen-ethyl and pretilachlor and atrazine, pyraflufen-ethyl and propachlor and atrazine, pyraflufen-ethyl and propisochlor and atrazine or pyraflufen-ethyl and tenylchlor and atrazine ;
• Pyraflufen-ethyl and acetochlor and cyanazine pyraflufen-ethyl and alachlor and cyanazine, pyraflufen-ethyl and butachlor and cyanazine, pyraflufen-ethyl and dimethachlor and cyanazine, pyraflufen-ethyl and dimethenamide and cyanazine, pyraflufen-ethyl and metazachlor and cyanazine , Pyraflufen-ethyl and metolachlor and cyanazine, pyraflufen-ethyl and petoxamide and cyanazine, pyraflufen-ethyl and pretilachlor and cyanazine, pyraflufen-ethyl and propachlor and cyanazine, pyraflufen-ethyl and propisochlor and cyanazine or
• Pyraflufen-ethyl and acetochlor and desmethrin pyraflufen-ethyl and alachlor and desmethrin, pyraflufen-ethyl and butachlor and desmethrin, pyraflufen-ethyl and dimethachlor and desmethrin, pyraflufen-ethyl and dimethenamide and desmethrin, pyraflufen-ethyl and metazachlor and desmethrin , Pyraflufen-ethyl and metolachlor and desmethrin; And desmethrin;
• Piraflufen-ethyl and acetochlor and prometon pyraflufen-ethyl and alachlor and prometon, pyraflufen-ethyl and butachlor and prometon, pyraflufen-ethyl and dimetachlor and prometon, pyraflufen-ethyl and dimethenamide and prometon, pyraflufen-ethyl and metazachlor and prometon , Pyraflufen-ethyl and metolachlor and prometon, pyraflufen-ethyl and petoxamide and prometon, pyraflufen-ethyl and pretilachlor and prometon, pyraflufen-ethyl and propachlor and prometon, pyraflufen-ethyl and propisochlor and prometone or pyraflufen-ethyl and tenylchlor And Prometon;
• Pyraflufen-ethyl and acetochlor and promethrin Pyraflufen-ethyl and alachlor and promethrin, pyraflufen-ethyl and butachlor and promethrin, pyraflufen-ethyl and dimethachlor and promethrin, pyraflufen-ethyl and dimethenamide and promethrin, pyraflufen-ethyl and metazachlor and promethrin , Pyraflufen-ethyl and metolachlor and promethrin; And promethrin;
• Pyraflufen-ethyl and acetochlor and propazine pyraflufen-ethyl and alachlor and propazine, pyraflufen-ethyl and butachlor and propazine, pyraflufen-ethyl and dimethachlor and propazine, pyraflufen-ethyl and dimethenamide and propazine, pyraflufen-ethyl and metazachlor and propazine , Pyraflufen-ethyl and metolachlor and propazine, pyraflufen-ethyl and petoxamide and propazine, pyraflufen-ethyl and pretilachlor and propazine, pyraflufen-ethyl and propachlor and propazine, pyraflufen-ethyl and propisochlor and propazine or pyraflufen-ethyl and tenylchlor And propazine
• Pyraflufen-ethyl and acetochlor and CAT pyraflufen-ethyl and alachlor and CAT, pyraflufen-ethyl and butachlor and CAT, pyraflufen-ethyl and dimethachlor and CAT, pyraflufen-ethyl and dimethenamide and CAT, pyraflufen-ethyl and metazachlor and CAT , Pyraflufen-ethyl and metolachlor and CAT, pyraflufen-ethyl and petoxamide and CAT, pyraflufen-ethyl and pretilachlor and CAT, pyraflufen-ethyl and propachlor and CAT, pyraflufen-ethyl and propisochlor and CAT or pyraflufen-ethyl and tenylchlor And CAT;
• Pyraflufen-ethyl and acetochlor and terbutrin pyraflufen-ethyl and alachlor and terbutrin, pyraflufen-ethyl and butachlor and terbutrin, pyraflufen-ethyl and dimetachlor and terbutrin, pyraflufen-ethyl and dimethenamide and terbutrin, pyraflufen-ethyl and metazachlor and terbutrin , Pyraflufen-ethyl and metolachlor and terbutrin, pyraflufen-ethyl and petoxamide and terbutrin, pyraflufen-ethyl and pretilachlor and terbutrin, pyraflufen-ethyl and propachlor and terbutrin, pyraflufen-ethyl and propisochlor and terbutrin or
• Piraflufen-ethyl and acetochlor and trietadine pyraflufen-ethyl and alachlor and trietadine, pyraflufen-ethyl and butachlor and trietadine, pyraflufen-ethyl and dimethachlor and trietadine, pyraflufen-ethyl and dimethenamide and trietadine, pyraflufen-ethyl and metazachlor and trietadine , Pyraflufen-ethyl and metolachlor and trietadine, pyraflufen-ethyl and petoxamide and trietadine, pyraflufen-ethyl and pretilachlor and trietadine, pyraflufen-ethyl and propachlor and trietadine, pyraflufen-ethyl and propis
• pyraflufen-ethyl and acetochlor and atrazine pyraflufen-ethyl and alachlor and atrazine, pyraflufen-ethyl and butachlor and atrazine, pyraflufen-ethyl and dimethachlor and atrazine, pyraflufen-ethyl and dimethenamide and atrazine, pyraflufen-ethyl and metaza Chlor and atrazine, pyraflufen-ethyl and metolachlor and atrazine, pyraflufen-ethyl and petoxamide and atrazine, pyraflufen-ethyl and pretilachlor and atrazine, pyraflufen-ethyl and propachlor and atrazine, pyraflufen-ethyl and propisochlor and atrazine or pyraflufen- Ethyl, tenyl chlor and atrazine,
• pyraflufen-ethyl and acetochlor and amethrin pyraflufen-ethyl and alachlor and amethrin, pyraflufen-ethyl and acetochlor and atrazine, pyraflufen-ethyl and acetochlor and cyanazine, pyraflufen-ethyl and acetochlor and Desmethrin, pyraflufen-ethyl and acetochlor and dimetamethrin, pyraflufen-ethyl and acetochlor and prometon, pyraflufen-ethyl and acetochlor and propazine, pyraflufen-ethyl and acetochlor and CAT, pyraflufen-ethyl and acetochlor and cimethrin, pyraflufen-ethyl And acetochlor and
• the ratio when one or more compounds selected from pyraflufen-ethyl and an ultralong chain fatty acid synthesis inhibitor are combined with one or more compounds selected from a photosynthesis inhibitor is usually 3
• the ratio of the ones, ie, pyraflufen-ethyl: very long chain fatty acid synthesis inhibitor: photosynthesis inhibitor may be about 1: 2000 to 10: 2000 to 10 (ie 1: 2000 to 10: 2000 to 10), and 1: 1000 To 100: 1000 to 100 (ie 1: 1000 to 100: 1000 to 100) is preferred, and a range of 1: 500 to 200: 300 to 100 (ie 1: 500 to 200: 300 to 100) is more preferred, Most preferred is 1: 400 to 250: 200 to 150 (ie 1: 400 to 250: 200 to 150).
• the blending ratio of the active ingredient compound in 100 parts by weight of the herbicidal composition of the present invention can be adjusted as necessary, and is appropriately selected from the range of about 0.01 to 90 parts by weight in 100 parts by weight. Preferably, it is in the range of 0.1 to 50 parts by mass.
• the compounding ratio of the active compound is appropriately set according to the compound and the form of the preparation.
• other active ingredients can be set in the range of 1 to 10000 parts by mass with respect to 1 part by mass of pyraflufen-ethyl.
• it is in the range of 10 to 5000 parts by mass. More preferably, it is in the range of 100 to 1000 parts by mass.
• the active ingredients of the above combination may be used as they are without adding other ingredients, but usually they should be formulated in a convenient form according to conventional methods for agricultural chemical formulations. Is preferred. That is, pyraflufen-ethyl and one or more other active ingredients selected from a VLCFA synthesis inhibitor or a photosynthesis inhibitor are mixed in a suitable inert carrier or, if necessary, with an auxiliary agent in a suitable ratio.
• an appropriate dosage form for example, suspension (flowable), emulsion, liquid, wettable powder, wettable powder, granule, powder It can be used in the form of tablets, packs and the like.
• the herbicidal composition of the present invention can contain, in addition to the active ingredient, additive components usually used in agricultural chemical formulations as necessary.
• additive components include a carrier such as a solid carrier and a liquid carrier, a surfactant, a dispersant, a wetting agent, a binder, a tackifier, a thickener, a colorant, a spreading agent, a spreading agent, and an antifreezing agent. , Anti-caking agents, disintegrants, decomposition inhibitors and the like. In addition, you may use a preservative, a plant piece, etc. for an additional component as needed. These additive components may be used alone or in combination of two or more.
• the inert carrier that can be used in the present invention may be either solid or liquid.
• materials that can be used as a solid carrier include soybean powder, cereal powder, wood powder, bark powder, saw powder, tobacco stem powder, walnut shell powder, bran, fiber powder, residues after extraction of plant extracts, and pulverized synthesis.
• Synthetic polymers such as resins, clays (for example, kaolin, bentonite, acid clay), talc (for example, talc, pyrophyllite, etc.), silicas (for example, diatomaceous earth, silica sand, mica, white carbon (hydrous finely divided silicon, Synthetic high-dispersion silicic acid, also called hydrous silicic acid, may contain calcium silicate as the main component depending on the product.) ⁇ , Activated carbon, sulfur powder, pumice, calcined diatomaceous earth, brick ground, fly ash, sand, calcium carbonate, calcium phosphate Inorganic mineral powders such as ammonium sulfate, phosphorous acid, ammonium nitrate, urea, ammonium sulfate, etc., chemical fertilizers such as compost, polyethylene, polypropylene, polychlorinated Plastic carriers such as vinylidene, inorganic hollow bodies, hollow plastic, fumed silica (fumed silic
• the material which can be a liquid carrier is selected from those having solvent ability itself, and those having no solvent ability and capable of dispersing the active ingredient compound with the aid of an auxiliary agent, for example, water, Alcohols (eg, methanol, ethanol, isopropanol, butanol, ethylene glycol, etc.), ketones (eg, acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, cyclohexanone, etc.), ethers (eg, ethyl ether, dioxane, cellosolve, Dipropyl ether, tetrahydrofuran, etc.), aliphatic hydrocarbons (eg, kerosene, mineral oil, etc.), aromatic hydrocarbons (eg, benzene, toluene, xylene, solvent naphtha, alkylnaphthalene, etc.), halogenated hydrocarbons ( For example
• auxiliary agents include surfactants exemplified below, dispersion stabilization, adhesion and / or binding aids, fluidity improvers, peptizers, antifoaming agents, preservatives, etc., and these auxiliary agents Can be used according to the purpose.
• An adjuvant may be used alone, in some cases, two or more kinds of adjuvants may be used in combination, and in some cases, no adjuvant may be used.
• surfactants used as dispersants and wetting agents include sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, sucrose fatty acid esters, polyoxyethylene fatty acid esters, polyoxyethylene resin acid esters, polyoxyethylene fatty acid diesters, Polyoxyethylene alkyl ether, polyoxyethylene alkyl aryl ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene dialkyl phenyl ether, polyoxyethylene alkyl phenyl ether formalin condensate, polyoxyethylene polyoxypropylene block copolymer, polystyrene polyoxyethylene Block polymer, alkyl polyoxyethylene polypropylene block copolymer ether, polyoxye Lenalkylamine, polyoxyethylene fatty acid amide, polyoxyethylene fatty acid bisphenyl ether, polyalkylene benzyl phenyl ether, polyoxyalkylene styryl phenyl ether, acetylene dio
• binders and tackifiers include carboxymethyl cellulose and salts thereof, dextrin, water-soluble starch, xanthan gum, guar gum, sucrose, polyvinyl pyrrolidone, gum arabic, polyvinyl alcohol, polyvinyl acetate, sodium polyacrylate, and an average molecular weight of 6000 to 20000.
• Polyethylene glycol polyethylene oxide having an average molecular weight of 100,000 to 5,000,000, phospholipid (for example, cephalin, lecithin, etc.) cellulose powder, dextrin, modified starch, polyaminocarboxylic acid chelate compound, cross-linked polyvinylpyrrolidone, maleic acid and styrenes Polymers, (meth) acrylic acid copolymers, half-esters of polycarboxylic alcohol polymers and dicarboxylic acid anhydrides, water soluble salts of polystyrene sulfonic acid, para Fin, terpene, polyamide resins, polyacrylate, polyoxyethylene, wax, polyvinyl alkyl ethers, alkylphenol-formalin condensates, synthetic resin emulsions, and the like.
• phospholipid for example, cephalin, lecithin, etc.
• cellulose powder dextrin
• polyaminocarboxylic acid chelate compound cross-linked polyviny
• thickeners examples include xanthan gum, guar gum, diyutan gum, carboxymethylcellulose, polyvinylpyrrolidone, carboxyvinyl polymer, acrylic polymer, starch derivatives, water-soluble polymers such as polysaccharides, high-purity bentonite, fumed silica (fumed Inorganic fine powders such as silica and white carbon.
• the fluidity improver can be used to improve the fluidity of solid products.
• the fluidity improver include waxes, stearates, alkyl phosphate esters, and the like.
• the peptizer can be used as a dispersion peptizer in a suspension product.
• peptizers include naphthalene sulfonic acid condensates and condensed phosphates.
• the antifoaming agent include silicone oil.
• the preservative include 1,2-benzisothiazolin-3-one, parachlorometaxylenol, butyl paraoxybenzoate and the like.
• the colorant examples include inorganic pigments such as iron oxide, titanium oxide and Prussian blue, organic dyes such as alizarin dyes, azo dyes and metal phthalocyanine dyes.
• antifreezing agent examples include polyhydric alcohols such as ethylene glycol, diethylene glycol, propylene glycol, and glycerin.
• Adjuvants for preventing caking and promoting disintegration include, for example, polysaccharides such as starch, alginic acid, mannose, galactose, polyvinylpyrrolidone, fumed silica (fumed silica), ester gum, petroleum resin, sodium tripolyphosphate, Sodium hexametaphosphate, metal stearate, cellulose powder, dextrin, methacrylate copolymer, polyvinylpyrrolidone, polyaminocarboxylic acid chelate compound, sulfonated styrene / isobutylene / maleic anhydride copolymer, starch / polyacrylonitrile graft copolymer A polymer etc. are mentioned.
• the decomposition inhibitor examples include desiccants such as zeolite, quicklime and magnesium oxide, antioxidants such as phenolic compounds, amine compounds, sulfur compounds and phosphoric acid compounds, and ultraviolet absorbers such as salicylic acid compounds and benzophenone compounds. It is done.
• desiccants such as zeolite, quicklime and magnesium oxide
• antioxidants such as phenolic compounds, amine compounds, sulfur compounds and phosphoric acid compounds
• ultraviolet absorbers such as salicylic acid compounds and benzophenone compounds. It is done.
• preservative examples include potassium sorbate, 1,2-benzothiazolin-3-one, and the like. Furthermore, a functional spreading agent etc. can also be used as needed.
• the amount of the herbicidal composition of the present invention varies depending on various factors, such as the growth status of the cultivated plant, weather, environmental conditions, dosage form, application method, application location, application time, etc. It may be appropriately selected from the range of about 0.01 to 10000 g, preferably about 0.1 to 1000 g per hectare.
• the use amount of pyraflufen-ethyl may be selected from the range of 0.1 g to 30 g as an active ingredient amount per hectare, and preferably 0.5 g to 10 g. It is good to use in a range.
• the VLCFA synthesis inhibitor may be selected from the range of 50 g to 5000 g as an active ingredient amount per hectare, and preferably used in the range of 500 g to 2000 g.
• the photosynthesis inhibitor may be used in an amount selected from the range of 50 g to 5000 g as an active ingredient amount per hectare, and preferably in the range of 300 g to 1500 g.
• the method of using the herbicidal composition of the present invention is preferably obtained by spraying or applying to the weeds an amount effective for herbicidal action in the form of the formulation as it is, diluted appropriately with water or the like, or suspended.
• the herbicidal action can be expressed and the phytotoxicity to useful cultivated crops can be reduced.
• the herbicidal composition of the present invention may be applied to an area where useful plants grow, and may be applied by a commonly used method such as foliage application or soil application.
• the spraying time of the herbicidal composition of the present invention may vary depending on the weather conditions and the growing conditions of the cultivated plant, but it may be treated from before the growth of the weeds to be controlled to the early stage of growth, and the soil is treated before the growth. Is preferred. It is a characteristic of the herbicidal composition of the present invention that the herbicidal effect before growth is synergistically increased. However, it can also be widely applied during the initial growth period and growing period of crops and weeds.
• pyraflufen-ethyl which is an active ingredient having a synergistic effect of the herbicidal composition of the present invention
• other active ingredients can be applied simultaneously or with a time difference.
• the target weeds can be controlled synergistically without adversely affecting the cultivated plants by formulating them separately and applying the other active ingredient during the remaining period of the other active ingredients. Specifically, it is used in the following manner.
• the herbicidal composition of the present invention is sprayed on a weed plant or the like to be controlled (for foliage application), it is sprayed on the weed foliage from above before emergence of useful plants and after weeds are generated, or useful Specific examples include spraying methods such as spraying over the weeds and leaves from above after emergence of the plants and generation of weeds.
• it is sprayed on the soil surface before emergence of useful plants and before the emergence of weeds. After emergence of useful plants and before the emergence of weeds, it is preferably sprayed on the soil surface from above.
• the active ingredients may be applied at the same time, one drug is applied, and a certain period of time is applied. In this case, other drugs may be applied.
• the combination of active ingredients when used separately may be the same as that of the above composition, in particular, a combination of pyraflufen-ethyl and a VLCFA synthesis inhibitor or a photosynthesis inhibitor, particularly pyraflufen-ethyl and acetochlor. It is preferably used in combination with atrazine or in combination with pyraflufen-ethyl, metolachlor and atrazine.
• the crops that can be used with the herbicidal composition of the present invention include cotton (Gossypium), soybean (Glycine), sugar beet and chard (Beta), carrot (Daucus), common bean and aoiama (Phaseolus).
• Peas Peas (Pisum), eggplant potatoes (Solanum), flax (Linum), sweet potato morning glory (Ipomoea), broad bean nanghagi (Vicia), tobacco (Nicotiana), tomato (Lycopersicon), peanut (Arachis), rape -Chinese cabbage, cabbage, cabbage, rapeseed (Brassica), Akinonogeshi (Lactuca), cucumber melon (Cucumis), pumpkin (Cucurbita) or sunflower (Helianthus).
• the crops that can be used with the herbicidal composition of the present invention include rice (Oryza), corn hop corn (Zea), wheat (Triticum), barley (Hordeum), oat oat (oat) ) (Avena), rye (Secale), sorghum (Sorghum), millet (Panicum), sugarcane wasebana (Saccharum), pineapple (Ananas), asparagus (Asparagus), leek leek (Allium), or alfalfa (Medicago) Etc.
• the “crop” in which the herbicidal composition of the present invention is used includes HPPD inhibitors such as isoxaflutol, ALS inhibitors such as imazetapyr and thifensulfuron methyl, and EPSP synthase inhibitors such as glyphosate.
• HPPD inhibitors such as isoxaflutol
• ALS inhibitors such as imazetapyr and thifensulfuron methyl
• EPSP synthase inhibitors such as glyphosate.
• Resistance to glutamine synthetase inhibitors such as glufosinate, acetyl CoA carboxylase inhibitors such as cetoxidim, PPO inhibitors such as flumioxazin, herbicides such as bromoxynil, dicamba, 2,4-D, etc. It also includes crops granted by genetic engineering techniques.
• Clearfield (registered trademark) products include rapeseed, wheat, sunflower, and rice that are resistant to imidazolinone-based ALS-inhibiting herbicides such as imazetapil as examples of “crop” that have been given herbicide resistance by classical breeding methods Already sold by name.
• soybeans that are resistant to sulfonylurea ALS-inhibiting herbicides such as thifensulfuron-methyl by classical breeding methods and are already sold under the trade name STS soybeans.
• SR corn and the like are examples of crops to which tolerance has been imparted to acetyl CoA carboxylase inhibitors such as trione oxime and aryloxyphenoxypropionic acid herbicides by classical breeding methods.
• a crop to which tolerance is imparted to an acetyl CoA carboxylase inhibitor is Proc. Natl. Acad. Sci. USA Vol. 87, 7175-7179 (1990).
• a mutant acetyl CoA carboxylase resistant to an acetyl CoA carboxylase inhibitor has been reported in Weed Science 53, 728-746 (2005), etc., and such a mutant acetyl CoA carboxylase gene is introduced into a crop by gene recombination technology.
• it is possible to produce a crop resistant to an acetyl CoA carboxylase inhibitor by introducing a mutation associated with imparting resistance into the crop acetyl CoA carboxylase.
• nucleic acid introduced with a base substitution mutation represented by chimera plastic technology (Gura T. 1999. Repairing the Genome's Spelling Mistakes. Science 285: 316-318.)
• site-specific amino acid substitution mutations into genes, ALS genes, etc.
• crops resistant to acetyl CoA carboxylase inhibitors, ALS inhibitors, etc. can be created.
• crops that have been given herbicide tolerance by genetic recombination technology include glyphosate-resistant corn, soybean, cotton, rapeseed, sugar beet varieties, products such as Roundup Ready (Roundup Ready (registered trademark)), AgritureGT, etc. Already sold by name.
• glyphosate-resistant corn soybean, cotton, rapeseed, sugar beet varieties
• products such as Roundup Ready (Roundup Ready (registered trademark)), AgritureGT, etc.
• Roundup Ready Registered trademark
• AgritureGT AgritureGT
• Crop includes, for example, crops that can synthesize selective toxins known in the genus Bacillus using genetic recombination technology.
• Toxins expressed in such genetically modified crops include insecticidal proteins derived from Bacillus cereus and Bacillus popirie; Cry1Ab, Cry1Ac, Cry1F, Cry1Fa2, Cry2Ab, Cry3A, Cry3Bb1 or Cry9C derived from Bacillus thuringiensis Insecticidal proteins such as ⁇ -endotoxin, VIP1, VIP2, VIP3 or VIP3A; nematode-derived insecticidal proteins; toxins produced by animals such as scorpion toxins, spider toxins, bee toxins or insect-specific neurotoxins; filamentous fungal toxins; plants Lectin; agglutinin; protease inhibitors such as trypsin inhibitor, serine protease inhibitor, patatin, cystatin, papain inhibitor; lysine, corn-
• Ribosome inactivating protein RIP
• steroid metabolic enzymes such as 3-hydroxysteroid oxidase, ecdysteroid-UDP-glucosyltransferase, cholesterol oxidase; ecdysone inhibitor; HMG-CoA reductase; sodium channel, calcium channel inhibitor, etc. Ion channel inhibitor; juvenile hormone esterase; diuretic hormone receptor; stilbene synthase; bibenzyl synthase; chitinase; glucanase and the like.
• toxins expressed in such genetically modified plants Cry1Ab, Cry1Ac, Cry1F, Cry1Fa2, Cry2Ab, Cry3A, Cry3Bb1, Cry9C, Cry34Ab or Cry35Ab and other ⁇ -endotoxin proteins, VIP1, VIP2, VIP3A, etc.
• insecticidal protein hybrid toxins partially defective toxins, and modified toxins.
• Hybrid toxins are produced by new combinations of different domains of these proteins using recombinant techniques.
• Cry1Ab lacking a part Cry1Ab lacking a part of the amino acid sequence is known.
• the modified toxin one or more amino acids of the natural toxin are substituted.
• Examples of these toxins and recombinant crops capable of synthesizing these toxins are EP-A-0 374 753, WO 93/07278, WO 95/34656, EP-A-0 427 529, EP-A-451 878. , WO 03/052073, etc.
• Toxins contained in these recombinant crops particularly confer resistance to Coleoptera, Hemiptera pests, Diptera pests, Lepidoptera pests and nematodes.
• genetically modified crops containing one or more insecticidal pest resistance genes and expressing one or more toxins are already known and some are commercially available.
• these genetically modified crops include YieldGard® (a corn variety that expresses Cry1Ab toxin), YieldGard® Rootworm® (a corn variety that expresses Cry3Bb1 toxin), YieldGard® Plus® (Cry1Ab and Cry3Bb1) Corn varieties that express toxin), Herculex I® (corn varieties that express phosphinotricin N-acetyltransferase (PAT) to confer resistance to Cry1Fa2 toxin and glufosinate), NuCOTN33B® ( Cotton varieties expressing Cry1Ac toxin), Bollgard I® (cotton varieties expressing Cry1Ac toxin), Bollgard II® Cotton varieties expressing Cry1Ac and Cry2Ab toxin), VIPCOT (registered trademark) (cotton varieties expressing VIP toxin), New
• crop includes crops to which useful traits such as oil component modification and amino acid content enhancing traits have been imparted using genetic recombination technology.
• useful traits such as oil component modification and amino acid content enhancing traits have been imparted using genetic recombination technology.
• Examples include VISTIVE (registered trademark) (low linolenic soybean with reduced linolenic content) or high-lysine (high-oil) corn (corn with increased lysine or oil content).
• herbicidal composition of the present invention can also be used for such crops.
• the herbicidal composition of the present invention can be used, for example, as a herbicide for general weeds, for example, cutting traces, fallow fields, ridges, farm roads, waterways, grassland, cemeteries, parks, roads, It can also be used for extermination of general weeds such as playgrounds, vacant lots around buildings, open land, track ends or forests. In this case, it is economically most effective to carry out the treatment before the beginning of weed generation, but it is not necessarily limited to this, and it is possible to control weeds in the growing season.
• the herbicidal composition of the present invention when used in combination with another weed control agent, enhancement of the weed control effect may be observed.
• the combination range of the drugs that do not interfere with the above effects they can be used in combination or in combination with insecticides, acaricides, nematicides, fungicides, plant growth regulators, fertilizers, soil conditioners and the like.
• weed control agents for example, 1-naphthylacetamide, 2, 4-PA, 2,3,6-TBA, 2,4,5-T, 2,4,5-TB, 2,4-D, 2, 4-DB, 2,4-DEB, 2,4-DEP, 3,4-DA, 3,4-DB, 3,4-DP, 4-CPA (4-chlorophenoxyacetic acid), 4-CPB, 4- CPP, DSMA, MCP, MCPA, MCPA-thioethyl, MCPB, MSMA, ioxynil, aclonifen, azafenidin, acifluorfen, adifluorine, aziprotryne (Azimsulfuron), asuram, acetochlor, atrazine, atraton, anisuron, anilofos, aviglycine, abscisic acid, amicarbazone ), Amidosulfuron, amitrole, aminocyclopyrachlor, amino Rarido (aminopyr
• Propaquiza hop (propaquizafop), propachlor (propachlor), propazine (propazine), propanil (propanamide), propisochlor (propisochlor), prohydrojasmon (prohydrojasmon), propyrisulfuron (propyrisulfuron), profam (Propham), profluazol, profluralin, prohexadione-calcium, propoxycarbazone, propoxycarbazone-sodium, propoxycarbazone-sodium, prooxydim, profoxydim bromacil, brompyrazon, promethrin, prometon, bromoxynil, bromofenoxim, bromobutide, bromobonil, florasula Florasulam, hexachloroacetone, hexazinone, petoxamid, benazolin, penoxsulam, pebulate, beflubutamid, vernolate, perfluid ), Benc
• Benzadox benzipram, benzylaminopurine, benzthiazuron, benzfendizone, benzsulide, bensulfuron-methyl, benzoylprop , Benzobicyclon, benzofenap, benzofluor, bentazone, pentanochlor, benthiocarb, pendimethalin, pentoxazone , Benfluralin, benfuresate, fosamine, fomesafen, foramsulfuron, forchlorfenuron, maleic hydrazide, mecop Mecoprop, mecoprop-P, mezinoterb, mesosulfuron, mesosulfuron-methyl, mesotrione, mesoprazine, mesoprotryne, methoprotryne Metazachlor, methazole,
• the weeds that can be controlled by the herbicidal composition of the present invention include, as genus of dicotyledonous weeds, morning glory (Ipomoea), azena (Lindernia), American horned sanem (Sesbania), ichibi (Abutilon), dog chamomile (Matricaria), dog garashi ( Rorippa), nettle (Urtica), nettle (Lamium), red fir tree (Xanthium), mustard (Sinapis), red stag beetle (Rotala) stag beetle (Veronica), poppy (Papaver), white crab (Chenopodium), white clover ), Surihiyu Matsuba Button (Portulaca), Violet Pansy (Viola), Aruba morning glory (Pharbitis), Chishima Odoro (Galeopsis), Datura, Eggplant potato (Solanum), Nazuna (Capsella), noizami Fusami (
• Examples of monocotyledonous weeds include Leptochloa, Awagaeri, Timothy (Phleum), Strawberry Swallow, Suzumenokatabira (Poa), Ushikokesa Toboshigara (Festuca), Enokorawa (Setaria), Ohishiba Shikokubie (Eleus) Omodaka Kwai (Sagittaria), Duckweed (Agropyron), Platypus (Ischaemum), Cyperus Papyrus schitoui hamasuge (Cyperus), Oats, Oat (Avena), Vineyards (Bromu), Bromu Cynodon, Monochoria, Alopecurus, Paspalum, Commelina, Fimbristylis, Lolium, Brachiaria, charisto, Agrostis ), Echinochloa, Ho Louis Ukiyagura-thick (Scirpus), crabgrass (Digitaria), sorghum (Sorghum), and the like.
• weeds include Amaranthus retroflexus, Amaranthus viridis, Aquinanthus cricket (Setaria faberi), Leptochloa chinensis, loLindernia angustifumum, Lindernia angustifumum, ⁇ American Azena (Lindernia dubia), American Stag (Sida spinosa), American Sana Ede (Polygonum pensylvanicum), American horned fox (Sesbania exaltata), American wolf (Geranium carolinense), Arethino moth (Conyza aribonariensis wellwell ipo (Polygonum cuspidatum), Ichibibi (Abutilon theophrasti), Cattle chicklet (Matricaria perforata), Intagade (Polygonum longisetum), Echinochloa crus-galli, Inubiyu (Amaranthus lividus), Dogwood zoo (
• the herbicidal composition of the present invention When the herbicidal composition of the present invention is used as a herbicide, the compounding ratio, amount used, mixing ratio, formulation method, etc. of the compound as an active ingredient are set in the same manner as the range disclosed in the herbicidal composition. Can be used.
• composition of the present invention does not have to be used only in such an embodiment, and can also be used as a herbicide for general weeds, such as cut traces, fallow fields, ridges, farm roads, waterways, It can also be used to control general weeds such as grassland, cemeteries, parks, roads, playgrounds, vacant lots around buildings, clearing lands, track ends or forests. In this case, it is economically most effective to carry out the treatment before the beginning of weed generation, but it is not necessarily limited to this, and it is possible to control weeds in the growing season.
• Formulation Example 1 (A) 0.03 parts (B) 10.05 parts (C) 5.40 parts Kaolin and synthetic highly dispersed silicic acid 74.52 parts Mixture of polyoxyethylene nonylphenyl ether and calcium alkylbenzenesulfonate 10.00 parts or more Is uniformly mixed and ground to obtain a wettable powder.
• Formulation Example 5 (A) 0.03 parts (B) 10.05 parts (C) 5.40 parts Polyethylene glycol dialkyl aryl ether sulfate 5.00 parts Calcium lignin sulfonate 10.00 parts Diatomaceous earth 69.52 parts well mixed and ground After that, a small amount of water was added and mixed and kneaded, granulated with an extrusion granulator, and dried to obtain a granular wettable powder.
• E2 ( ⁇ + ⁇ + ⁇ ) ⁇ ( ⁇ + ⁇ + ⁇ ) / 100 + ( ⁇ ) / 10000
• ⁇ herbicidal effect when herbicide X is treated in an amount of xg / ha
• ⁇ herbicidal effect when herbicide Y is treated in an amount of yg / ha
• ⁇ herbicidal effect when herbicide Z is treated in an amount of zg / ha
• E1 herbicidal effect expected when herbicide X is treated with xg / ha and herbicide Y is treated with yg / ha
• E2 Herbicidal effect expected when herbicide X is treated with xg / ha, herbicide Y with yg / ha and herbicide Z with zg / ha.
• the activity by the combination shows a synergistic action.
• the herbicidal composition of the present invention exhibits a synergistic effect when calculated by the above formula.
• the herbicidal effect in the pot test was evaluated according to the following criteria in comparison with the untreated group.
• the criteria for herbicidal effect were evaluated from 0% (no effect) to 100% (complete killing).
• the herbicidal effect in the field test was evaluated according to the following criteria in comparison with the untreated group.
• the criteria for herbicidal effect were evaluated from 0% (no effect) to 100% (complete killing).
• a single agent of pyraflufen-ethyl is a commercially available ET® Herbicide (US product) or a commercially available emulsion Lider, ET (“P-ethyl” in the table), etc.
• a single agent of acetochlor is a preparation according to the formulation example or a commercially available product Emulsion Harness (in the table, “Acetochlor”) and the like
• Atrazine single agent is a preparation according to the preparation example or a commercially available flowable preparation (gezaprim flowable (SC)), a wettable powder or a granular wettable powder Atrazina ( In the table, “Atrazine”) and the like were used. Evaluation of mixed use of pyraflufen-ethyl and acetochlor or / and atrazine was carried out using a mixture of commercially available acetochlor, atrazine and
• Test Example 1 Pot germination pretreatment test for cypress and cypress barley A 63.5 cm 2 area resin pot was filled with pelagic sandy loam soil, seeds of cypress and cypress were uniformly sown on the surface, and uniformly covered. On the day after sowing, each herbicide diluted or diluted / mixed to a predetermined concentration was uniformly sprayed on the soil. As a single agent of each active ingredient, a commercially available agent or a preparation according to a preparation example was used. Further, they were mixed to prepare a mixed treatment chemical solution.
• Test Example 2 Field Soil Treatment Test for Canopia and Hamasge Weed effect tests were conducted in a field field where evenly-divided canopia and Hamasuge occur naturally. Corn seeds were uniformly sown and covered with soil uniformly. Thereafter, on the day of sowing, each herbicide diluted or diluted / mixed to a predetermined concentration was uniformly sprayed on the soil. About 30 days after the treatment, the herbicide and hamasge naturally occurring in the field were visually evaluated for herbicidal effect (growth inhibition rate), and showed from 0% (no herbicidal effect) to 100% (complete suppression). Based on the herbicidal effect (inhibition rate) (%) 30 days after drug treatment (30 DAA), the expected value (E1 in the table) was calculated according to Formula 1. The results are shown in Table 2.
• Test Example 3 Field treatment for broad-leaved weeds Soil treatment test In the same manner as in Test Example 2, a herbicidal effect test was conducted in a field where morning glory and cucurbitaceae genus Alliuri were weeds. The results are shown in Table 3.
• Test Example 4 Field Soil Treatment Test for Crunchy and Hamasuge
• a herbicidal effect test of the three mixtures was carried out in a field where Crunchymia and Prunus are naturally occurring.
• an expected value was calculated according to Formula 2. The results are shown in Table 4.
• Test Example 5 Field treatment for broad-leaved weeds Soil treatment test In the same manner as in Test Examples 2 and 4, a herbicidal effect test of three kinds of mixture was conducted in a field where morning glory and commuteria weeds naturally occur. The results are shown in Table 5.
• Test Example 6 Field for soil barley and sparrow beetle Soil treatment test A resin pot with an area of 63.5 cm 2 was filled with a sandy sandy loam soil, and seeds of barley and sparrow were spread uniformly and covered with soil. On the day after sowing, each herbicide diluted or diluted / mixed to a predetermined concentration was uniformly sprayed on the soil. As a single agent of each active ingredient, a commercially available agent or a preparation according to a preparation example was used. Further, they were mixed to prepare a mixed treatment chemical solution.
• the pot after herbicide treatment was placed outdoors, and cultivation was continued for 31 days after treatment. Thereafter, the herbicidal effect was evaluated, and the expected value (E1 or E2 in the table) was calculated according to Formula 1 or 2. The results are shown in Table 6. DAA in the table represents the number of days after treatment.
• Test Example 7 Pot germination pretreatment test for murine wheat A resinous pot with an area of 63.5 cm 2 was filled with a pelagic sandy loam soil, seeds of murine wheat (Lolium Multiflorum) were uniformly sown on the surface, and the soil was uniformly covered. On the day after sowing, each herbicide diluted or diluted / mixed to a predetermined concentration was uniformly sprayed on the soil. As a single agent of each active ingredient, a commercially available agent or a preparation according to a preparation example was used. Further, they were mixed to prepare a mixed treatment chemical solution. The pot after the herbicide treatment was placed outdoors, and plant cultivation management was continued for 27 days. Thereafter, the herbicidal effect was evaluated, and the expected value (E1 or E2 in the table) was calculated according to Formula 1 or 2. The results are shown in Table 7.
• the herbicidal composition of the present invention has a broad herbicidal spectrum with respect to various weeds compared to single agent application, and exhibits an excellent control effect at a low dosage, thus reducing the number of herbicide application times, etc. This is useful because it has less impact on the global environment.

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