WO2005122759A1 - Composition herbicide - Google Patents

Composition herbicide Download PDF

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Publication number
WO2005122759A1
WO2005122759A1 PCT/EP2005/006565 EP2005006565W WO2005122759A1 WO 2005122759 A1 WO2005122759 A1 WO 2005122759A1 EP 2005006565 W EP2005006565 W EP 2005006565W WO 2005122759 A1 WO2005122759 A1 WO 2005122759A1
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WO
WIPO (PCT)
Prior art keywords
pretilachlor
mesotrione
pyriftalid
mixture
prosulfocarb
Prior art date
Application number
PCT/EP2005/006565
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English (en)
Inventor
Georg Rüdiger Kotzian
Original Assignee
Syngenta Participations Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Syngenta Participations Ag filed Critical Syngenta Participations Ag
Priority to JP2007515896A priority Critical patent/JP4965438B2/ja
Publication of WO2005122759A1 publication Critical patent/WO2005122759A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/10—Sulfones; Sulfoxides
    • 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
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
    • 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
    • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring

Definitions

  • the present invention relates to a novel herbicidal synergistic composition
  • a herbicidal active ingredient combination that is preferably suitable for the selective control of weeds (grasses, broad-leaf weeds and sedges) in crops of useful plants and in particular ALS-resistant weeds in crops of useful plants, for example in crops of rice.
  • the invention relates also to a method of controlling weeds, which are defined as undesired vegetation in crops of useful plants and to the use of the novel composition to act where control is desired, for example, on the undesired vegetation or the locus thereof.
  • variable amounts of the defined active ingredients exhibits a synergistic action that is capable of controlling, both pre- emergence and post-emergence, the majority of weeds occurring especially in crops of useful plants, without appreciably damaging the useful plants.
  • the specific problem to solve is the selective control of ALS-resistant weeds in crops of useful plants, for example in crops of rice.
  • a novel herbicidal synergistic composition for the selective control of weeds characterised in that it comprises a combination of herbicidal compounds selected from the group consisting of A) pretilachlor + prosulfocarb, B) pretilachlor + mesotrione + prosulfocarb, C) pretilachlor + pyriftalid + bensulfuron, D) pretilachlor + mesotrione + pyriftalid + bensulfuron, E) pretilachlor + mesotrione -t-pyriftalid + imazosulfuron and F) pretilachlor + mesotrione + pyriftalid + pyrazosulfuron.
  • composition according to the invention comprises the mentioned active ingredients in any mixing ratio, but usually has an excess of one component over the other(s).
  • compounds pretilachlor and prosulfocarb are applied in g/ha rates of 300 to 600 and 2000 to 4000 respectively in the two-way mixture pretilachlor + prosulfocarb
  • compounds pretilachlor, mesotrione, prosulfocarb, pyriftalid and bensulfuron are applied in g/ha rates of 300 to 600, 50 to 100, 2000 to 4000, 50 to 75 and 100 to 200 respectively in the three-way mixtures pretilachlor + mesotrione + prosulfocarb and pretilachlor + pyriftalid + bensulfuron
  • compounds pretilachlor, mesotrione, pyriftalid, bensulfuron, imazosulfuron and pyrazosulfuron and are applied in g/ha rates of 300 to 600, 50 to 100, 100 to 200, 50 to 75, 50 to 75 and 50 to 75 espectively in the four-way mixtures pretilachlor + mesotrione +
  • Preferred mixing ratios by weight are: • from 5 to 7 : 30 to 50 for the two-way mixture pretilachlor + prosulfocarb, • from 5 to 7 : 0,1 to 3 : 30 to 50 for the three-way mixture pretilachlor : mesotrione : prosulfocarb respectively, • from 5 to 7 : 0,1 to 3 : 1 to 3 for the three-way mixture pretilachlor : mesotrione : bensulfuron respectively, • from 5 to 7 : 0,1 to 3 : 1 to 4 :1 to 3 for the 4-way mixtures pretilachlor : mesotrione: bensulfuron, pretilachlor : mesotrione: : imazosulfuron and pretilachlor : mesotrione: pyriftalid : pyrazosulfuron respectively.
  • Most preferred mixing ratios by weight are: • from 6 : 40 for the two-way mixture pretilachlor : prosulfocarb respectively • from 6 : 1 : 40 for the mixture pretilachlor : mesotrione : prosulfocarb respectively, • from 6 : 1 : 1 for the mixture pretilachlor : mesotrione : bensulfuron respectively • from 6 : 1 : 2 : 1 for the four-way mixtures pretilachlor : mesotrione: pyriftalid : bensulfuron, pretilachlor + mesotrione + pyriftalid + imazosulfuron and pretilachlor + mesotrione + pyriftalid 4- pyrazosulfuron respectively.
  • the rate of application may also vary within wide limits and depends upon the nature of the soil, the method of application (pre- or post-emergence; seed dressing; application to the seed furrow; no tillage application etc.), the crop plant, the weed or grass to be controlled, the prevailing climatic conditions, and other factors governed by the method of application, the time of application and the target crop.
  • the active ingredient mixture according to the invention can generally be applied at a rate of 0.05 to 7 kg of active ingredient mixture per hectare, preferably at a rate of 0.5 to 6 kg for the two-way mixture, at a rate of 2 to 6 kg of active ingredient mixture per hectare for the three-way mixtures and at a rate of 0.5 to 2 kg for the four-way mixtures.
  • the invention relates also to a method for the selective control of grasses and weeds in crops of useful plants, which comprises treating the useful plants or the area under cultivation or the locus thereof simultaneously or at different times with the compositions according to the invention.
  • Crops of useful plants in which the composition according to the invention can be used include especially rice.
  • the term "crops" is to be understood as also including crops that have been rendered tolerant to herbicides or classes of herbicides (for example ALS, GS, EPSPS, PPO and HPPD inhibitors) as a result of conventional methods of breeding or genetic engineering.
  • herbicides or classes of herbicides for example ALS, GS, EPSPS, PPO and HPPD inhibitors
  • An example of a crop that has been rendered tolerant e.g. to imid- azolinones, such as imazamox, by conventional methods of breeding is Clearfield® summer rape (Canola).
  • crops that have been rendered tolerant to herbicides by genetic engineering methods include e.g.
  • the weeds to be controlled may be both monocotyledonous and dicotyledonous weeds, such as, for example, Stellaria, Nasturtium, Agrostis, Digitaria, Avena, Setaria, Sinapis, Lolium, Solanum, Echinochloa, Scirpus, Monochoria, Sagittaria, Bromus, Alopecurus, Sorghum, Rottboellia, Cyperus, Abutilon, Sida, Xanthium, Amaranthus, Chenopodium, Ipomoea, Chrysanthemum, Galium, Viola and Veronica.
  • Stellaria Nasturtium, Agrostis, Digitaria, Avena, Setaria, Sinapis, Lolium, Solanum, Echinochloa, Scirpus, Monochoria, Sagittaria, Bromus, Alopecurus, Sorghum, Rottboellia, Cyperus, Abutilon, Sida, Xanthium,
  • Crops are also to be understood as being those which have been rendered resistant to harmful insects by genetic engineering methods, for example Bt maize (resistant to European corn borer), Bt cotton (resistant to cotton boll weevil) and also Bt potatoes (resistant to Colorado beetle).
  • Bt maize are the Bt-176 maize hybrids of NK® (Syngenta Seeds).
  • the Bt toxin is a protein that is formed naturally by Bacillus thuringiensis soil bacteria. Examples of toxins and transgenic plants able to synthesise such toxins are described in EP-A-451 878, EP-A-374 753, WO 93/07278, WO 95/34656, WO 03/052073 and EP-A-427 529.
  • transgenic plants that contain one or more genes which code for an insecticidal resistance and express one or more toxins are KnockOut® (maize), Yield Gard® (maize), NuCOTIN33B® (cotton), Bollgard® (cotton), NewLeaf® (potatoes), NatureGard® and Protexcta®.
  • Plant crops and their seed material can be resistant to herbicides and at the same time also to insect feeding ("stacked" transgenic events). Seed can, for example, have the ability to express an insecticidally active Cry3 protein and at the same time be glyphosate-tolerant.
  • the term "crops" is to be understood as also including crops obtained as a result of conventional methods of breeding or genetic engineering which contain so-called output traits (e.g. improved flavour, storage stability, nutritional content).
  • Areas under cultivation are to be understood as including land where the crop plants are already growing as well as land intended for the cultivation of those crop plants.
  • compositions according to the invention can be used in unmodified form.
  • the compositions according to the invention are, however, generally formulated in a variety of way using formulation adjuvants, such as carriers, solvents and surface-active substances.
  • the formulations can be in various physical forms, for example in the form of dusting powders, gels, wettable powders, water-dispersible granules, water-dispersible tablets, effervescent compressed tablets, emulsifiable concentrates, microemulsifiable concentrates, oil-in-water emulsions, oil flowables, aqueous dispersions, oily dispersions, suspoemulsions, capsule suspensions, emulsifiable granules, soluble liquids, water-soluble concentrates (with water or a water-miscible organic solvent as carrier), impregnated polymer films or in other forms known, for example, from the Manual on Development and Use of FAO Specifications for Plant Protection Products, 5th Edition, 1999.
  • the formulations can be prepared, for example, by mixing the active ingredients with formulation adjuvants in order to obtain compositions in the form of finely divided solids, granules, solutions, dispersions or emulsions.
  • the active ingredients can also be formulated with other adjuvants, for example finely divided solids, mineral oils, vegetable oils, modified vegetable oils, organic solvents, water, surface-active substances or combinations thereof.
  • the active ingredients can also be contained in very fine microcapsules consisting of a polymer. Microcapsules contain the active ingredients in a porous carrier. This enables the active ingredients to be released into their surroundings in controlled amounts (e.g. slow release). Microcapsules usually have a diameter of from 0.1 to 500 microns.
  • the active ingredients contain active ingredients in an amount of about from 25 to 95 % by weight of the capsule weight.
  • the active ingredients can be present in the form of a monolithic solid, in the form of fine particles in solid or liquid dispersion or in the form of a suitable solution.
  • the encapsulating membranes comprise, for example, natural and synthetic gums, cellulose, styrene-butadiene copolymers, polyacrylonitrile, polyacrylate, polyester, polyamides, polyureas, polyurethane or chemically modified polymers and starch xanthates or other polymers that are known to the person skilled in the art in this connection.
  • liquid carriers there may be used: water, toluene, xylene, petroleum ether, vegetable oils, acetone, methyl ethyl ketone, cyclohexanone, acid anhydrides, acetonitrile, acetophenone, amyl acetate, 2-butanone, butylne carbonate, chlorobenzene, cyclohexane, cyclohexanol, alkyl esters of acetic acid, diacetone alcohol, 1 ,2-dichloropropane, diethanolamine, p-diethylbenzene, diethylene glycol, diethylene glycol abietate, diethylene glycol butyl ether, diethylene glycol ethyl ether, diethylene glycol methyl ether, N,N-dimethylformamide, dimethyl sulfoxide, 1 ,4-dioxane, diprop
  • Water is generally the carrier of choice for the dilution of the concentrates.
  • Suitable solid carriers are, for example, talc, titanium dioxide, pyrophyllite clay, silica, attapulgite clay, kieselguhr, limestone, calcium carbonate, bentonite, calcium montomorillonite, cottonseed husks, wheatmeal, soybean flour, pumice, wood flour, ground walnut shells, lignin and similar materials, as described, for example, in CFR 180.1001. (c) & (d).
  • a large number of surface-active substances can advantageously be used both in solid and in liquid formulations, especially in those formulations which can be diluted with a carrier prior to use.
  • Surface-active substances may be anionic, cationic, non-ionic or polymeric and they may be used as emulsifiying, wetting or suspending agents or for other purposes.
  • Typical surface-active substances include, for example, salts of alkyl sulfates, such as diethanolammonium lauryl sulfate; salts of alkylarylsulfonates, such as calcium dodecyl- benzenesulfonate; alkylphenol-alkylene oxide addition products, such as nonylphenol ethoxylate; alcohol-alkylene oxide addition products, such as tridecyl alcohol ethoxylate; soaps, such as sodium stearate; salts of alkylnaphthalenesulfonates, such as sodium dibutylnaphthalenesulfonate; dialkyl esters of sulfosuccinate salts, such as sodium di(2- ethylhexyl)sulfosuccinate; sorbitol esters, such as sorbitol oleate; quaternary amines, such as lauryl trimethylammonium chloride, polyethylene glycol esters of
  • Further adjuvants which can usually be used in pesticidal formulations include crystallisation inhibitors, viscosity-modifying substances, suspending agents, dyes, anti-oxidants, foaming agents, light absorbers, mixing aids, anti-foams, complexing agents, neutralising or pH- modifying substances and buffers, corrosion-inhibitors, fragrances, wetting agents, absorption improvers, micronutrients, plasticisers, glidants, lubricants, dispersants, thickeners, anti-freezes, microbiocides and also liquid and solid fertilisers.
  • the formulations may also comprise additional active substances, for example further herbicides, herbicide safeners, plant growth regulators, fungicides or insecticides.
  • compositions according to the invention can additionally include an additive comprising an oil of vegetable or animal origin, a mineral oil, alkyl esters of such oils or mixtures of such oils and oil derivatives.
  • the amount of oil additive used in the composition according to the invention is generally from 0.01 to 10 %, based on the spray mixture.
  • the oil additive can be added to the spray tank in the desired concentration after the spray mixture has been prepared.
  • Preferred oil additives comprise mineral oils or an oil of vegetable origin, for example rapeseed oil, olive oil or sunflower oil, emulsified vegetable oil, such as AMIGO® (Rh ⁇ ne-Poulenc Canada Inc.), alkyl esters of oils of vegetable origin, for example the methyl derivatives, or an oil of animal origin, such as fish oil or beef tallow.
  • a preferred additive contains, for example, as active components essentially 80 % by weight alkyl esters of fish oils and 15 % by weight methylated rapeseed oil, and also 5 % by weight of customary emulsifiers and pH modifiers.
  • Especially preferred oil additives comprise alkyl esters of C 8 -C 22 fatty acids, especially the methyl derivatives of C 12 -C ⁇ 8 fatty acids, for example, the methyl esters of lauric acid, palmitic acid and oleic acid, being important; those esters are known as methyl laurate (CAS-111-82-0), methyl palmitate (CAS-112-39-0) and methyl oleate (CAS-1 12-62-9) respectively.
  • a preferred fatty acid methyl ester derivative is Emery® 2230 or 2231 (Cognis GmbH).
  • Those and other oil derivatives are also known from the Compendium of Herbicide Adjuvants, 5th Edition, Southern Illinois University, 2000.
  • the application and action of the oil additives can be further improved by combining them with surface-active substances, such as non-ionic, anionic or cationic surfactants.
  • surface-active substances such as non-ionic, anionic or cationic surfactants.
  • suitable anionic, non-ionic and cationic surfactants are listed on pages 7 and 8 of WO 97/34485.
  • Preferred surface-active substances are anionic surfactants of the dodecyl- benzylsulfonate type, especially the calcium salts thereof, and also non-ionic surfactants of the fatty alcohol ethoxylate type. Special preference is given to ethoxylated C 12 -C 22 fatty alcohols having a degree of ethoxylation of from 5 to 40.
  • Examples of commercially available surfactants are the Genapol types (Clariant AG).
  • silicone surfactants especially polyalkyl-oxide-modified heptamethyltrisiloxanes, which are commercially available e.g. as Silwet L-77®, and also perfluorinated surfactants.
  • concentration of surface- active substances in relation to the total additive is generally from 1 to 30 % by weight.
  • oil additives that consist of mixtures of oils or mineral oils or derivatives thereof with surfactants are Edenor ME SU®, Turbocharge® (Syngenta AG, CH) and Actipron® (BP Oil UK Limited, GB).
  • the said surface-active substances may also be used in the formulations alone, that is to say without oil additives.
  • an organic solvent to the oil additive/surfactant mixture can contribute to a further enhancement of action.
  • Suitable solvents are, for example, Solvesso® (ESSO) and Aromatic Solvent® (Exxon Corporation).
  • the concentration of such solvents can be from 10 to 80 % by weight of the total weight.
  • Such oil additives which may be in admixture with solvents, are described, for example, in US-A-4 834 908.
  • a commercially available oil additive disclosed therein is known by the name MERGE® (BASF Corporation).
  • a further oil additive that is preferred according to the invention is SCORE® (Syngenta Crop Protection Canada.)
  • alkylpyrrolidones e.g. Agrimax®
  • formulations of alkylpyrrolidones such as, for example, Agrimax®
  • synthetic latices such as, for example, polyacrylamide, polyvinyl compounds or poly-1 -p-menthene (e.g. Bond®, Courier® or Emerald®)
  • propionic acid for example Eurogkem Pen-e-trate®
  • the herbicidal formulations generally contain from 0.1 to 99 % by weight, especially from 0.1 to 95 % by weight, of an active ingredient mixture of the compositions according to the invention and from 1 to 99.9 % by weight of a formulation adjuvant, which preferably includes from 0 to 25 % by weight of a surface-active substance.
  • a formulation adjuvant which preferably includes from 0 to 25 % by weight of a surface-active substance.
  • Dusts active ingredient mixture: 0.1 to 10 %, preferably 0.1 to 5 % solid carrier: 99.9 to 90 %, preferably 99.9 to 99 %
  • Suspension concentrates active ingredient mixture: 5 to 75 %, preferably 10 to 50 % surface-active agent: 1 to 40 %, preferably 2 to 30 % water: balance
  • Wettable powders active ingredient mixture: 0.5 to 90 %, preferably 1 to 80 % surface-active agent: 0.5 to 20 %, preferably 1 to 15 % solid carrier: balance
  • Granules active ingredient mixture: 0.1 to 30 %, preferably 0.5 to 15 % solid carrier: 99.9 to 70 %, preferably 99,5 to 85 %
  • Emulsifiable concentrates aa)) b) c) d) active ingredient mixture 5% 10% 25% 50% calcium dodecylbenzene- sulfonate 6% 8% 6% 8% castor oil polyglycol ether 4% . 4% 4%
  • Emulsions of any desired concentration can be prepared from such concentrates by dilution with water. F2. Solutions a) b) c) d) active ingredient mixture 5% 10% 50% 90%
  • the solutions are suitable for application in the form of microdrops.
  • Wettable powders a) b) c) d) active ingredient mixture 5% 25% 50% 80% sodium lignosulfonate 4% - 3% - sodium lauryl sulfate 2% 3% - 4% sodium diisobutylnaphthalene- sulfonate - 6% 5% 6% octylphenol polyglycol ether - 1 % 2% -
  • the active ingredient is thoroughly mixed with the adjuvants and the mixture is thoroughly ground in a suitable mill, yielding wettable powders which can be diluted with water to give suspensions of any desired concentration.
  • the active ingredient is dissolved in methylene chloride, the solution is sprayed onto the carrier and the solvent is subsequently evaporated off in vacua.
  • F5. Coated granules a) b) c) active ingredient mixture 0.1 % 5% 15% polyethylene glycol MW 200 1.0 % 2% 3% highly disperse silicic acid 0.9 % 1 % 2% inorg. carrier 98.0 % 92% 80%
  • the finely ground active ingredient is applied uniformly, in a mixer, to the carrier moistened with polyethylene glycol. Non-dusty coated granules are obtained in this manner.
  • the active ingredient is mixed and ground with the adjuvants and the mixture is moistened with water.
  • the resulting mixture is extruded and then dried in a stream of air.
  • Ready-to-use dusts are obtained by mixing the active ingredient with the carriers and grinding the mixture in a suitable mill.
  • Suspension concentrates a) b) c) d) active ingredient mixture 3% 10% 25% 50% ethylene glycol 5% 5% 5% nonylphenol polyglycol ether - 1 % 2% -
  • the finely ground active ingredient is intimately mixed with the adjuvants, yielding a suspension concentrate from which suspensions of any desired concentration can be prepared by dilution with water. It is often more practical for the compounds present in the compositions according to the invention to be formulated separately and then to be combined in the applicator in the desired mixing ratio in the form of a "tank mixture" in water shortly before application.
  • Y percentage herbicidal action on treatment with a compound (B) at a rate of application of q kg per hectare, compared with the untreated control.
  • Y percentage herbicidal action on treatment with compound (B) at a rate of application of q kg per hectare, compared with the untreated control.
  • Z percentage herbicidal action on treatment with compound (C) at a rate of application of q kg per hectare, compared with the untreated control.
  • Y percentage herbicidal action on treatment with a compound (D) for example, at a rate of application of q kg per hectare, compared with the untreated control.
  • Table B1 Post-emergence herbicidal action of the composition according to the invention comprising pretilachlor and prosulfocarb at 8 days after application (8 DAA):
  • Table B2 Post-emergence herbicidal action of the composition according to the invention comprising pretilachlor and prosulfocarb at 22 days after application (22 DAA):
  • Table B3 Post-emergence herbicidal action of the composition according to the invention comprising pretilachlor and prosulfocarb at 22 days after application (22 DAA):
  • Table B4 Post-emergence herbicidal action of the composition according to the invention comprising pretilachlor and prosulfocarb at 22 days after application (22 DAA):
  • Table B5 Post-emergence herbicidal action of the composition according to the invention comprising pretilachlor and mesotrione and prosulfocarb at 8 days after application (8 DAA):
  • Table B6 Post-emergence herbicidal action of the composition according to the invention comprising pretilachlor and mesotrione and prosulfocarb at 22 days after application (22 DAA):

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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

L'invention concerne une composition synergique herbicide servant à supprimer des mauvaises herbes de manière sélective, caractérisée en ce qu'elle renferme une combinaison de composés herbicides sélectionnés dans le groupe comprenant : A) prétilachlore + prosulfocarbe ; B) prétilachlore + mésotrione + prosulfocarbe ; C) prétilachlore + pyriftalide + bensulfuron ; D) prétilachlore + mésotrione + pyriftalide + bensulfuron ; E) prétilachlore + mésotrione + pyriftalide + imazosulfuron, et ; F) prétilachlore + mésotrione + pyriftalide + pyrazosulfuron.
PCT/EP2005/006565 2004-06-18 2005-06-17 Composition herbicide WO2005122759A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007515896A JP4965438B2 (ja) 2004-06-18 2005-06-17 除草組成物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04014301 2004-06-18
EP04014301.8 2004-06-18

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WO2005122759A1 true WO2005122759A1 (fr) 2005-12-29

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JP (1) JP4965438B2 (fr)
KR (1) KR20070029203A (fr)
CN (1) CN1968604A (fr)
WO (1) WO2005122759A1 (fr)

Cited By (6)

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WO2008128690A3 (fr) * 2007-04-18 2009-01-15 Syngenta Participations Ag Composition chimique pouvant être mise en suspension dans l'eau destinée à l'agriculture
CN101657095A (zh) * 2007-04-18 2010-02-24 先正达参股股份有限公司 水可悬浮的农业化学组合物
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US10813352B2 (en) 2009-02-13 2020-10-27 Monsanto Technology Llc Encapsulation of herbicides to reduce crop injury
US9877478B2 (en) 2009-02-13 2018-01-30 Monsanto Technology Llc Encapsulation of herbicides to reduce crop injury
US9913469B2 (en) 2010-08-18 2018-03-13 Monsanto Technology Llc Early applications of encapsulated acetamides for reduced injury in crops
US11412734B2 (en) 2010-08-18 2022-08-16 Monsanto Technology Llc Early applications of encapsulated acetamides for reduced injury in crops
US11140900B2 (en) 2014-01-27 2021-10-12 Monsanto Technology Llc Aqueous herbicidal concentrates
US11129381B2 (en) 2017-06-13 2021-09-28 Monsanto Technology Llc Microencapsulated herbicides
US11937599B2 (en) 2017-06-13 2024-03-26 Monsanto Technology Llc Microencapsulated herbicides
US11419331B2 (en) 2019-01-30 2022-08-23 Monsanto Technology Llc Microencapsulated acetamide herbicides

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