WO2021233057A1 - 除草剂辅助剂及应用、除草剂组合物及施用方法 - Google Patents

除草剂辅助剂及应用、除草剂组合物及施用方法 Download PDF

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Publication number
WO2021233057A1
WO2021233057A1 PCT/CN2021/088988 CN2021088988W WO2021233057A1 WO 2021233057 A1 WO2021233057 A1 WO 2021233057A1 CN 2021088988 W CN2021088988 W CN 2021088988W WO 2021233057 A1 WO2021233057 A1 WO 2021233057A1
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Prior art keywords
herbicide
adjuvant
hydrophobic
soil
fatty alcohol
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PCT/CN2021/088988
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English (en)
French (fr)
Inventor
马明亮
黄明智
许仙波
徐小燕
王福荣
郭世俭
张卓亚
章振
周月婷
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Maxunitech Inc
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Maxunitech Inc
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Priority to EP21809549.5A priority Critical patent/EP4154711A4/en
Publication of WO2021233057A1 publication Critical patent/WO2021233057A1/zh
Anticipated expiration legal-status Critical
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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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protection of plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A01N25/06—Aerosols
    • 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
    • A01N43/72—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
    • A01N43/84—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 six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P13/00—Herbicides; Algicides

Definitions

  • the present disclosure relates to the technical field of herbicides, in particular to a herbicide adjuvant and application, herbicide composition and application method.
  • Most of the herbicides applied in the soil are absorbed by plant roots. After the hydrophobic herbicides are applied to the soil, there is an adsorption/desorption relationship with the soil, and most of the hydrophobic herbicides are basically present in the soil due to the adsorption of the soil. The surface is difficult to move, which greatly affects the migration rate and bioavailability of the herbicide, and reduces the herbicidal activity. Especially when the content of organic matter and clay in the soil is high, some hydrophobic herbicides can be strongly adsorbed, causing the hydrophobic herbicides to not be absorbed by the roots of weeds, which affects the herbicidal activity and contaminates the soil.
  • One of the objectives of the present disclosure includes, for example, providing a herbicide adjuvant that can effectively improve the mobility and solubility of hydrophobic herbicides in soil, and alleviate the migration rate of hydrophobic herbicides in soil.
  • a herbicide adjuvant that can effectively improve the mobility and solubility of hydrophobic herbicides in soil, and alleviate the migration rate of hydrophobic herbicides in soil.
  • the herbicide adjuvants provided in the present disclosure include fatty alcohol alkoxy compounds and aliphatic substituted amides, wherein the fatty alcohol alkoxy compounds are linear or branched C 8 -C 22 carbon alkyl fatty alcohol alkoxy compounds ;
  • Aliphatic substituted amides have the following general formula:
  • R 1 is a linear or branched C 4 -C 16 alkyl group
  • R 2 and R 3 are each independently H, CH 3 or C 2 H 5
  • R 2 and R 3 are not H at the same time.
  • the fatty alcohol alkoxy compound includes at least one of a fatty alcohol ethoxy compound, a fatty alcohol propoxy compound, and a fatty alcohol ethoxy propoxy compound.
  • the weight ratio of the fatty alcohol alkoxy compound and the aliphatic substituted amide in the herbicide adjuvant is 1:0.1-1:10, for example, 1:0.5-1:1.5.
  • the second objective of the present disclosure includes, for example, providing the application of the above-mentioned herbicide adjuvant in enhancing the activity of hydrophobic herbicides.
  • the soil application rate of the herbicide adjuvant is 0.1-50 kg/ha, for example 1-20 kg/ha.
  • the third objective of the present disclosure includes, for example, providing a herbicide composition comprising a hydrophobic herbicide and the herbicide adjuvant provided in one of the objectives of the present disclosure, and the weight ratio of the hydrophobic herbicide to the herbicide adjuvant is 1 :0.6-1:50.
  • the weight ratio of the hydrophobic herbicide and the herbicide adjuvant is 1:1-1:30, for example, 1:2-1:20.
  • hydrophobic herbicides include acetyl-Coenzyme A carboxylase inhibitors, acetolactate synthase inhibitors, photosynthetic system inhibitors, protoporphyrinogen oxidase inhibitors, carotenoid synthesis inhibitors Agent, 4-hydroxyphenylpyruvate dioxygenase inhibitor, mitosis inhibitor, cell division inhibitor, cell wall synthesis inhibitor, auxin herbicide, hormone conduction inhibitor, cyprofen, pyruvate, bud inhibitor At least one of Dan, Probenuron, Vanyluron, and Indoxazone.
  • the acetyl-Coenzyme A carboxylase inhibitor includes at least one of clodinafop, clethodim, and pinoxaden;
  • the acetolactate synthase inhibitor includes at least one of sulfentrazone, penoxsulam, trisulfuron-methyl, metsulfuron-methyl, and bispyrifen;
  • the photosynthetic system inhibitor includes at least one of terchloridine, amicarbazone, diuron, promethazine, and diquat.
  • the protoporphyrinogen oxidase inhibitor includes at least one of flumetsulam, sulfentrazone, and saflufentrazone;
  • the carotenoid synthesis inhibitor includes at least one of fluridone, fluridone, clomazone, diflufenican, and fluroxypyr;
  • the 4-hydroxyphenylpyruvate dioxygenase inhibitor includes mesotrione and/or isoxaflutole;
  • the mitotic inhibitor includes at least one of fluoxamide, trifluralin, amfluralin, pendimethalin, fluthiopyr, and chlorpheniramine;
  • the cell division inhibitor includes at least one of alachlor, butachlor, S-metolachlor, flufenacet, mefenacet, and carfentrazone;
  • the cell wall synthesis inhibitor includes at least one of flufenacet, isoxachlor, and diquanil;
  • the auxin herbicide includes at least one of fluroxypyr, dicamba, and quinclorac;
  • the hormone conduction inhibitor includes naphthachlor and/or fluopyron
  • the other class of hydrophobic herbicides include at least one of cyprofen, pyraclosporin, imidacloprid, probenuron, vanilluron, and indoxazone.
  • the hydrophobic herbicide is selected from flufenacet, flufentrazone, flufentrazone, isoxaflutole, diclofenac, penoxsulam, At least one of sulfentrazone, saflufenacil, fluroxypyr, diflufenican, pendimethalin and amflufenacil.
  • the fourth objective of the present disclosure includes, for example, providing a method for applying the above herbicide composition, including the steps of: diluting the herbicide composition provided in the present disclosure with water to form a sprayable solution, and then applying the sprayable solution to a plant growth site;
  • the plant growth site includes soil
  • the soil application amount of the herbicide adjuvant is 0.1-50 kg/ha, for example 1-20 kg/ha;
  • the soil application rate of the hydrophobic herbicide is 0.01-40 kg/ha.
  • the sprayable solution formed by dilution includes other active components and/or agricultural additives; the active components are at least one of herbicides, fungicides and plant growth regulators.
  • the herbicide adjuvant provided by the present disclosure cooperates with aliphatic alcohol alkoxy compound and aliphatic substituted amide to produce a synergistic effect when applied in combination with a hydrophobic herbicide, which can effectively improve the adsorption of the hydrophobic herbicide to the soil.
  • Desorption behavior increases the migration rate and bioavailability of hydrophobic herbicides in the soil, improves the activity of hydrophobic herbicides, reduces soil pollution, and is economical and environmentally friendly.
  • the herbicide composition provided by the present disclosure produces a synergistic effect through the interaction of the herbicide auxiliary agent and the hydrophobic herbicide, which can effectively improve the adsorption/desorption behavior of the hydrophobic herbicide in the soil, and increase the hydrophobic herbicide in the soil.
  • the migration rate and bioavailability of the product can improve the activity of hydrophobic herbicides, reduce soil pollution, and be economical and environmentally friendly.
  • the present disclosure provides a herbicide adjuvant, including fatty alcohol alkoxy compounds and aliphatic substituted amides, wherein the fatty alcohol alkoxy compounds are linear or branched C fatty alcohol alkoxylates compound 8 -C 22 carbon alkyl;
  • the aliphatic substituted amide has the following general formula:
  • R 1 is a linear or branched C 4 -C 16 alkyl group
  • R 2 and R 3 are each independently H, CH 3 or C 2 H 5
  • R 2 and R 3 are not H at the same time.
  • the herbicide adjuvant provided by the present disclosure cooperates with aliphatic alcohol alkoxy compound and aliphatic substituted amide to produce a synergistic effect when applied in combination with a hydrophobic herbicide, which can effectively improve the adsorption of the hydrophobic herbicide to the soil.
  • Desorption behavior increases the migration rate and bioavailability of hydrophobic herbicides in the soil, improves the activity of hydrophobic herbicides, reduces soil pollution, and is economical and environmentally friendly.
  • the fatty alcohol alkoxy compound and the fatty carbon chain of the aliphatic substituted amide can be separated by microorganisms in the soil, do not contain metal ions, have little soil pollution, and can effectively reduce soil pollution. Pollution.
  • the fatty alcohol alkoxy compound includes at least one of a fatty alcohol ethoxy compound, a fatty alcohol propoxy compound, and a fatty alcohol ethoxy propoxy compound.
  • the fatty alcohol alkoxy compound may include any one of fatty alcohol ethoxy compound, fatty alcohol propoxy compound or fatty alcohol ethoxy propoxy compound, It may also include a mixture of any two or three of fatty alcohol ethoxy compounds, fatty alcohol propoxy compounds, or fatty alcohol ethoxy propoxy compounds.
  • the fatty alcohol alkoxy compound when the fatty alcohol alkoxy compound is selected from at least one of fatty alcohol ethoxy compounds, fatty alcohol propoxy compounds, and fatty alcohol ethoxy propoxy compounds, it is combined with After the aliphatic substituted amide is compounded, the synergistic effect when compounded with the hydrophobic herbicide is higher, and it can effectively improve the activity of the hydrophobic herbicide, reduce soil pollution, and is economical and environmentally friendly.
  • the weight ratio of the fatty alcohol alkoxy compound and the aliphatic substituted amide is 1:0.1-1:10.
  • the weight of the fatty alcohol alkoxy compound and the aliphatic substituted amide in the herbicide adjuvant is, for example, 1:0.1, 1:0.2, 1:0.5, 1:0.8, 1:1, 1: 1.2, 1:1.5, 1:2, 1:5, 1:8 or 1:10, for example 1:0.5-1:1.5.
  • the herbicide adjuvant and hydrophobic herbicide can be used in combination to produce better synergy Effect, improve the migration rate and activity of hydrophobic herbicides in soil, reduce soil pollution, and be economical and environmentally friendly, especially when the weight ratio of fatty alcohol alkoxy compound and aliphatic substituted amide is 1:0.5-1: At 1.5, when the herbicide adjuvant is used in combination with the hydrophobic herbicide, the synergistic effect is better and the activity of the hydrophobic herbicide is higher.
  • the present disclosure provides the application of the herbicide adjuvant described in the first aspect of the present disclosure to improve the activity of hydrophobic herbicides.
  • the soil application amount of the herbicide adjuvant is 0.1-50 kg/ha, for example, 1-20 kg/ha.
  • the soil application amount of herbicide adjuvant is such as 0.1, 0.2, 0.5, 0.8, 1, 1.5, 2, 5, 8, 10, 15, 20, 25, 30, 35, 40, 45 Or 50kg/ha.
  • the application amount of the herbicide adjuvant provided by the present disclosure in the soil is 0.1-50kg/ha, it can play a good synergistic effect with the hydrophobic herbicide and improve the migration ability and dissolution of the hydrophobic herbicide in the soil. It can effectively improve the activity of hydrophobic herbicides, reduce soil pollution, and is economical and environmentally friendly. Especially when the application amount of herbicide adjuvants in the soil is 1-20kg/ha, it plays a good role with hydrophobic herbicides. The synergistic effect is better, and the hydrophobic herbicide is more active.
  • the present disclosure provides a herbicide composition, comprising a hydrophobic herbicide and the herbicide adjuvant according to the first aspect of the invention, the hydrophobic herbicide and the herbicide
  • the weight ratio of the adjuvant is 1:0.6-1:50, for example 1:1-1:30, such as 1:2-1:20.
  • the weight of hydrophobic herbicide and herbicide adjuvant is for example 1:0.6, 1:0.8, 1:1, 1:2, 1:5, 1:8, 1:10, 1: 12, 1:15, 1:18, 1:20, 1:25, 1:30, 1:40 or 1:50.
  • the hydrophobic herbicide and the herbicide adjuvant in the herbicide composition when the weight ratio of the hydrophobic herbicide and the herbicide adjuvant in the herbicide composition is 1:0.6-1:50, the hydrophobic herbicide and the herbicide adjuvant cooperate with each other to achieve a good Synergistic effect, improve the activity of hydrophobic herbicides, reduce soil pollution, economical and environmentally friendly, especially when the weight ratio of hydrophobic herbicide and herbicide adjuvant is 1:1-1:30, the herbicide composition The biological activity is higher, especially when the weight ratio of the hydrophobic herbicide and the herbicide adjuvant is 1:2-1:20, the synergistic effect of the hydrophobic herbicide and the herbicide adjuvant is more excellent.
  • a hydrophobic herbicide means that at 20°C and standard atmospheric pressure, the solubility of the herbicide in 100 g of water with a pH of 7 is less than 1 g, for example, less than 0.1 g.
  • the hydrophobic herbicide may be a herbicide known in The Pesticide Manual (2018 18th Edition, British Crop Production Council).
  • hydrophobic herbicides include acetyl-Coenzyme A carboxylase inhibitors, acetolactate synthase inhibitors, photosynthetic system inhibitors, protoporphyrinogen oxidase inhibitors, carotenoid synthesis Inhibitors, 4-hydroxyphenylpyruvate dioxygenase inhibitors, mitosis inhibitors, cell division inhibitors, cell wall synthesis inhibitors, auxin herbicides, hormone conduction inhibitors, cyprofen, wheat straw, inhibitors At least one of Yadan, Biancalong, Vanillon, and indoxazone.
  • the hydrophobic herbicide can be selected from acetyl-Coenzyme A carboxylase inhibitors, acetolactate synthase inhibitors, photosynthetic system inhibitors, protoporphyrinogen oxidase inhibitors, carotenoids Any of synthetic inhibitors, 4-hydroxyphenylpyruvate dioxygenase inhibitors, mitosis inhibitors, cell division inhibitors, cell wall synthesis inhibitors, auxin herbicides, hormone conduction inhibitors and other hydrophobic herbicides One type may also be a mixture of two, three, four or more hydrophobic herbicides selected from the above hydrophobic herbicides.
  • the acetyl-Coenzyme A carboxylase inhibitor includes at least one of clodinafop, clethodim, and pinoxaden.
  • the acetyl-Coenzyme A carboxylase inhibitor can be either clodinafop, clethodim or pinoxaden, or it can be clodinafop, clethodim or azole A mixture of any two or three of the chlorfenapyr.
  • the acetolactate synthase inhibitor includes at least one of sulfentrazone, penoxsulam, trisulfuron-methyl, metsulfuron-methyl, and bispyrifen.
  • the acetolactate synthase inhibitor can be any one of sulfentrazone, penoxsulam, trisulfuron-methyl, metsulfuron-methyl and bispyrifen, or It can be a mixture of any two, three or four of the above substances.
  • the photosynthetic inhibitor includes at least one of terchloridine, amicarbazone, diuron, promethacin, and diquat.
  • the photosynthetic inhibitor can be any one of terchloridine, amicarbazone, diuron, prochloraz, and diquat, or any two or three of the foregoing. A mixture of one, four or five substances.
  • the protoporphyrinogen oxidase inhibitor includes at least one of flumetsulam, sulfentrazone, and saflufentrazone.
  • the protoporphyrinogen oxidase inhibitor can be any one of flumetsulam, sulfentrazone and saflufentrazone, or any two of the above or A mixture of three.
  • the carotenoid synthesis inhibitor includes at least one of fluazidone, fluridone, clomazone, diflufenican, and fluroxypyr.
  • the carotenoid synthesis inhibitor can be any one of fluazidone, dioxazone, clomazone, diflufenican and fluroxypyr, or A mixture of any two, three, four or five of the above.
  • the 4-hydroxyphenylpyruvate dioxygenase inhibitor includes mesotrione and/or isoxaflutole.
  • the 4-hydroxyphenylpyruvate dioxygenase inhibitor can be either mesotrione, isoxaflutole, or mesotrione and isoxaflutole Mixture of ketones.
  • the mitosis inhibitor includes at least one of fluoxamide, trifluralin, amflufenac, pendimethalin, fluthiopyr, and chloraniline.
  • the mitotic inhibitor can be any one of fluoxamide, trifluralin, amfluralin, pendimethalin, fluthiopyr and chlorpheniramine, or Any mixture of two, three, or more than four substances.
  • the cell division inhibitor includes at least one of alachlor, butachlor, S-metolachlor, flufenacet, mefenacet, and carfentrazone .
  • the cell division inhibitor can be any one of alachlor, butachlor, S-metolachlor, flufenacet, mefenacet or carfentrazone It can also be a mixture of any two, three or four of the above substances.
  • the cell wall synthesis inhibitor includes at least one of flufenacet, oxachlor and dichlorfen.
  • the cell wall synthesis inhibitor can be any one of flufenacet, oxachlor, or dichlorfen, or a mixture of any two or three of the above substances.
  • the auxin herbicide includes at least one of fluroxypyr, dicamba, and quinclorac.
  • auxin herbicide can be any one of fluroxypyr, dicamba or quinclorac, or a mixture of any two or three of the foregoing.
  • the hormone conduction inhibitor includes naphthachlor and/or fluroxypyr hydrazone.
  • hormone conduction inhibitor may be naphthochlor, or fluroxypyr hydrazone, or a mixture of naphthochlor and fluroxypyr hydrazone.
  • the hydrophobic herbicide is selected from flufenacet, flufentrazone, flufentrazone, isoxaflutole, diclofenac, penoxsulam , At least one of sulfentrazone, saflufenacil, fluroxypyr, diflufenican, pendimethalin and amflufenacil.
  • the hydrophobic herbicide may be flufenacet, flufentrazone, flufentrazone, isoxaflutole, diclofenac, penoxsulam, methyl Any one of sulfentrazone, saflufenacil, fluroxypyr, diflufenican, pendimethalin and aflufenacil, or any two, three, four or four of the above A mixture of the above substances.
  • hydrophobic herbicide is flufenacet, flufentrazone, flufentrazone, isoxaflutole, diclofenac, penoxsulam, sulfentrazone, and safentrazone
  • Fluroxypyr, diflufenican, pendimethalin or amiflurazin when used in combination with herbicide adjuvants, the synergistic effect is more excellent, and the activity of the above hydrophobic herbicide can be effectively improved.
  • the present disclosure provides an application method of the herbicide composition, which includes the following steps:
  • the herbicide composition provided in the present disclosure is diluted with water to form a sprayable solution, and then the sprayable solution is applied to the plant growth site.
  • the plant growth site includes but is not limited to soil.
  • the soil quality includes but is not limited to clay, sand, sandy clay, clay sand, loam, sandy loam, black loam, etc., such as clay and loam.
  • the hydrophobic herbicide and the herbicide adjuvant when the herbicide composition is applied to the plant growth site, can be mixed to form a sprayable solution for application, or the hydrophobic herbicide and The herbicide adjuvant is made into a sprayable solution and then applied separately. When applied separately, the time interval between the hydrophobic herbicide and the herbicide adjuvant does not exceed 30 days.
  • the application time interval between the hydrophobic herbicide and the herbicide adjuvant is no more than 3 days.
  • the above-mentioned sprayable solution can be applied to the plant growth site through a sprayer, a sprayer or an irrigation system.
  • the soil application amount of the hydrophobic herbicide depends on the type of the hydrophobic herbicide and the application site, and the soil application amount of the hydrophobic herbicide is generally 0.01-40 kg/ha.
  • the soil application amount of the hydrophobic herbicide is such as 0.01, 0.02, 0.05, 0.08, 1, 2, 5, 8, 10, 12, 15, 18, 20, 25, 30, 35 or 40 kg /ha.
  • the soil application amount of the herbicide adjuvant is 0.1-50 kg/ha, for example, 1-20 kg/ha.
  • the soil application amount of herbicide adjuvant is such as 0.1, 0.2, 0.5, 0.8, 1, 2, 5, 8, 10, 15, 20, 25, 30, 35, 40, 45 or 50 kg /ha.
  • the application amount of the herbicide adjuvant provided by the present disclosure in the soil is 0.1-50kg/ha, it can play a good synergistic effect with the hydrophobic herbicide and improve the migration ability and dissolution of the hydrophobic herbicide in the soil. Performance, thereby effectively improving the activity of hydrophobic herbicides, reducing soil pollution, and being economical and environmentally friendly, especially when the herbicide adjuvant provided by the present disclosure is applied in the soil at a rate of 1-20 kg/ha.
  • the synergistic effect of sex herbicides is more excellent.
  • the sprayable solution formed by dilution further includes other active components and/or agricultural additives;
  • the active ingredient mainly includes at least one of herbicides, fungicides, and plant growth regulators.
  • the other active ingredients referred to in the present disclosure are active chemical substances known in The Pesticide Manual (2018 18th Edition, British Crop Production Council).
  • the herbicide hydrophobic herbicide and the herbicide adjuvant provided in the present disclosure are mixed to form a sprayable solution. Due to the synergistic effect of the two, the activity of the hydrophobic herbicide can be effectively improved, and it can also be combined with other active components, such as herbicides, Fungicides or plant growth regulators and agricultural additives are used together.
  • hydrophobic herbicides used in the Examples and Comparative Examples are as follows:
  • Hydrophobic herbicides flumioxazin 51% granules (trade name: VALOR, purchased from VALENT), fluoxynil 480g/L suspension concentrate (trade name: Longcaojing, purchased from Max (Rudong) Chemical Limited company).
  • This embodiment provides a herbicide composition spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of herbicide adjuvant to 9 g of water, and form a spray liquid after stirring.
  • the herbicide adjuvant consists of C 9 -C 11 alkyl alcohol polyoxyethylene polyoxypropylene ether (trade name SYNERGEN W06, purchased from CLARIANT) and N,N-dimethyloctylamide in a weight ratio of 2:1 Configured.
  • This embodiment provides a herbicide composition spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of herbicide adjuvant to 9 g of water, and form a spray liquid after stirring.
  • the herbicide adjuvant is made up of isotridecyl alcohol polyoxyethylene ether and N,N-dimethyl decanoamide in a weight ratio of 1:2.
  • This embodiment provides a herbicide composition spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of herbicide adjuvant to 9 g of water, and form a spray liquid after stirring.
  • the herbicide adjuvant is made up of tridecanol polyoxyethylene ether and N,N-dimethylbutanamide in a weight ratio of 1:1.5.
  • This embodiment provides a herbicide composition spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of herbicide adjuvant to 9 g of water, and form a spray liquid after stirring.
  • the herbicide adjuvant is made up of isooctanol polyoxyethylene ether and N,N-dimethyloctylamide in a weight ratio of 1:0.1.
  • This embodiment provides a herbicide composition spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of herbicide adjuvant to 9 g of water, and form a spray liquid after stirring.
  • the herbicide adjuvant is made up of stearyl alcohol polyoxyethylene ether and N,N-dimethylbutanamide in a weight ratio of 1:10.
  • This embodiment provides a herbicide composition spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of herbicide adjuvant to 9 g of water, and form a spray liquid after stirring.
  • the herbicide adjuvant is made up of isooctanol polyoxyethylene polyoxypropylene ether and N,N-dimethyloctylamide in a weight ratio of 1:0.01.
  • This embodiment provides a herbicide composition spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of herbicide adjuvant to 9 g of water, and form a spray liquid after stirring.
  • the herbicide adjuvant is made up of stearyl alcohol polyoxyethylene ether and N,N-dimethylbutanamide in a weight ratio of 1:20.
  • This comparative example provides a spray liquid, which is prepared according to the following steps: 0.5 g of flumioxazin 51% granules are added to 9.5 g of water, and the spray liquid is formed after uniform stirring.
  • This comparative example provides a spray liquid, which is prepared according to the following steps: add 0.5 g of flumioxazin 51% granules and 0.5 g of additives to 9 g of water, and stir uniformly to form a spray liquid, wherein the additives are A mixture of vegetable oil methyl ester and non-ionic emulsifier (tank mixing aid, trade name HASTEN, purchased from VICCHEM).
  • the additives are A mixture of vegetable oil methyl ester and non-ionic emulsifier (tank mixing aid, trade name HASTEN, purchased from VICCHEM).
  • This comparative example provides a herbicide spray liquid, which is prepared according to the following steps. Add 0.5g of flumioxazin 51% granules and 0.5g of isotridecyl alcohol polyoxyethylene ether to 9g of water, and stir it evenly. A spray liquid is formed.
  • This comparative example provides a spray solution, which is prepared according to the following steps. Add 0.5g of flumioxazin 51% granules and 0.5g of N,N-dimethyl decylamide into 9g of water, and form a spray after stirring. liquid.
  • the soil column is 4cm in diameter and 30cm in height. After applying different spray treatments to the soil surface of the soil column, rinse with water according to the test method. After the rinse is completed, the percentage of the content of the herbicide in the different depths of the soil to the total amount is tested.
  • the soil used was loam (1.35% organic matter content, pH 7.5, moisture 1.5%) and clay soil (organic matter content 0.7%, pH 8.5, moisture 1.5%).
  • Table 1 shows the distribution results of flumioxazin in loam
  • Table 2 shows the distribution of flumioxazin in loam. Results of the distribution of amines in clay.
  • This embodiment provides a herbicide composition spray solution, which is prepared according to the following steps: add 0.5g fluoxydone 480g/L suspension and 0.5g herbicide adjuvant in 9g water, and form a spray solution after stirring.
  • the herbicide adjuvant is composed of C 9 -C 11 alkyl alcohol polyoxyethylene polyoxypropylene ether (trade name SYNERGEN W06, purchased from CLARIANT) and N,N-dimethyloctylamide in a weight ratio of 1:0.5 Configured.
  • This embodiment provides a herbicide composition spray solution, which is prepared according to the following steps: add 0.5g fluoxydone 480g/L suspension and 0.5g herbicide adjuvant in 9g water, and form a spray solution after stirring.
  • the herbicide adjuvant is made up of isotridecyl alcohol polyoxyethylene ether and N,N-dimethyl decyl amide in a weight ratio of 1:2.
  • This embodiment provides a herbicide composition spray solution, which is prepared according to the following steps: add 0.5g fluoxydone 480g/L suspension and 0.5g herbicide adjuvant in 9g water, and form a spray solution after stirring.
  • the herbicide adjuvant is made up of tridecanol polyoxyethylene ether and N,N-dimethylbutanamide in a weight ratio of 1:1.5.
  • This embodiment provides a herbicide composition spray solution, which is prepared according to the following steps: add 0.5g fluoxydone 480g/L suspension and 0.5g herbicide adjuvant in 9g water, and form a spray solution after stirring.
  • the herbicide adjuvant is made up of isooctanol polyoxyethylene ether and N,N-dimethyloctylamide in a weight ratio of 1:0.1.
  • This embodiment provides a herbicide composition spray solution, which is prepared according to the following steps: add 0.5g fluoxydone 480g/L suspension and 0.5g herbicide adjuvant in 9g water, and form a spray solution after stirring.
  • the herbicide adjuvant is made up of stearyl alcohol polyoxyethylene ether and N,N-dimethylbutanamide in a weight ratio of 1:10.
  • This embodiment provides a herbicide composition spray solution, which is prepared according to the following steps: add 0.5g fluoxydone 480g/L suspension and 0.5g herbicide adjuvant in 9g water, and form a spray solution after stirring.
  • the herbicide adjuvant is made up of isooctanol polyoxyethylene polyoxypropylene ether and N,N-dimethyloctylamide in a weight ratio of 1:0.01.
  • This embodiment provides a herbicide composition spray solution, which is prepared according to the following steps: add 0.5g fluoxydone 480g/L suspension and 0.5g herbicide adjuvant in 9g water, and form a spray solution after stirring.
  • the herbicide adjuvant is made up of stearyl alcohol polyoxyethylene ether and N,N-dimethylbutanamide in a weight ratio of 1:20.
  • This comparative example provides a spray liquid, which is prepared according to the following steps: 0.5 g of flupizone 480 g/L suspending agent is added to 9.5 g of water, and the spray liquid is formed after uniform stirring.
  • This comparative example provides a spray liquid, which is prepared according to the following steps: add 0.5 g of fluazidone 480 g/L suspending agent and 0.5 g of adjuvant to 9 g of water, and form a spray liquid after stirring, wherein the adjuvant is A mixture of vegetable oil methyl ester and non-ionic emulsifier (tank mixing aid, trade name HASTEN, purchased from VICCHEM).
  • the adjuvant is A mixture of vegetable oil methyl ester and non-ionic emulsifier (tank mixing aid, trade name HASTEN, purchased from VICCHEM).
  • This comparative example provides a spray solution, which is prepared according to the following steps. Add 0.5g of fluazidone 480g/L suspending agent and 0.5g of isotridecyl alcohol polyoxyethylene ether to 9g of water, and form a spray after stirring. liquid.
  • This comparative example provides a spray solution, which is prepared according to the following steps. Add 0.5g of fluazidone 480g/L suspending agent and 0.5g of N,N-dimethyl decanamide into 9g of water, and form a spray solution after stirring. .
  • the test is carried out according to GB/T 31270.5-2014 column elution method, the test method is as described in (1), and will not be repeated here.
  • the soils used were loam soil (organic matter content 1.35%, pH 7.5, moisture 1.5%) and black loam soil (organic matter content 2.8%, pH 6.5, moisture 1.8%).
  • Table 3 shows the distribution results of fluazidone in loam soil
  • Table 4 shows the distribution of fluazidone in loam. Distribution results in black loam soil.
  • the herbicidal activity tests of flumioxazin in the following treatment examples and comparative treatment examples all adopt the greenhouse potting treatment method, with quantitative soil in plastic pots, using soil organic matter content of 3.0%, pH 8.0, and moisture 1.8%. Sow 15-20 amaranth seeds on the soil surface, cover with 0.5-1cm of fine soil and place them in a greenhouse for cultivation. After 24 hours, spray the soil with chemicals. Each treatment was repeated 4 times, and the drug-free treatment was used as a blank control. After the treatment, place it in the greenhouse and observe the growth of Amaranthus retroflexus regularly. About 30 days after treatment, measure the number of weeds and the fresh weight of the above-ground part of the different treatments in the treatment example and the comparison treatment example, and calculate the growth according to the following formula Inhibition rate%:
  • the weight ratio of the flumioxazin technical and the herbicide adjuvant is 1:5, wherein the herbicide adjuvant is composed of C9 -C11 alkyl alcohol polyoxyethylene polyoxypropylene ether (trade name SYNERGEN W06, purchased from CLARIANT) and N,N-dimethyl octamide are prepared according to the weight ratio of 1:0.5.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 75g ai./ha of flumioxazin, and an application dosage of 375g/ha of the herbicide adjuvant, at an application rate of 200L/ha.
  • the 51% granules of flumioxazin and the herbicide adjuvant are diluted with water to form a spray liquid.
  • the weight ratio of the flumioxazin technical and the herbicide adjuvant is 1:5, wherein the herbicide adjuvant is composed of different Tridecanol polyoxyethylene ether and N,N-dimethyl decanamide are prepared according to the weight ratio of 1:2.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 75g ai./ha of flumioxazin, and an application dosage of 375g/ha of the herbicide adjuvant, at an application rate of 200L/ha.
  • the 51% granules of flumipropin and the herbicide adjuvant are diluted with water, and the weight ratio of the original medicine and the herbicide adjuvant is 1:10, wherein the herbicide adjuvant is composed of isomer Alcohol polyoxyethylene ether and N,N-dimethyl decanamide are prepared according to the weight ratio of 1:2.
  • the spray solution was sprayed on the soil in the pot at an application dose of 75g ai./ha of flumioxazin, an application dose of 750g/ha of herbicide adjuvants, and an application rate of 200L/ha.
  • the 51% granules of flumipropin and the herbicide adjuvant are diluted with water, and the weight ratio of the original medicine and the herbicide adjuvant is 1:10, wherein the herbicide adjuvant is composed of isomer Alcohol polyoxyethylene ether and N,N-dimethyl decanoamide are prepared according to the weight ratio of 1:2.
  • the spray solution was sprayed on the soil in the pot with the application dosage of flumioxamide 45g ai./ha, the application dosage of herbicide adjuvant 450g/ha, and the application rate of 200L/ha.
  • the weight ratio of the original medicine of flumizone and the herbicide adjuvant is 1:10, wherein the herbicide adjuvant is made of isooctyl alcohol.
  • Oxyethylene ether and N,N-dimethyl octamide are prepared according to the weight ratio of 1:0.1.
  • the spray solution was sprayed on the soil in the pot at an application dose of 75g ai./ha of flumioxazin, an application dose of 750g/ha of herbicide adjuvants, and an application rate of 200L/ha.
  • the weight ratio of the original medicine of flumizone and the herbicide adjuvant is 1:10, wherein the herbicide adjuvant is made of isooctyl alcohol.
  • Oxyethylene ether and N,N-dimethyl octamide are prepared according to the weight ratio of 1:10.
  • the spray solution was sprayed on the soil in the pot at an application dose of 75g ai./ha of flumioxazin, an application dose of 750g/ha of herbicide adjuvants, and an application rate of 200L/ha.
  • a spray liquid For the single-dose treatment of flumioxazin, dilute the 51% granules of flumioxazin with water (without herbicide adjuvants) to form a spray liquid.
  • the spray liquid is applied with the original medicine of flumioxazin at a dosage of 75gai. /ha, spray on the soil in the pot at an application rate of 200L/ha.
  • the herbicide adjuvant is treated separately, and the herbicide adjuvant is diluted with water.
  • the herbicide adjuvant is composed of C 9 -C 11 alkyl alcohol polyoxyethylene polyoxypropylene ether and N,N-dimethyloctylamide in a weight ratio of 2: 1 configuration.
  • the spray liquid was sprayed with the herbicide adjuvant at a dosage of 750g/ha, and sprayed onto the soil in the pot at an application rate of 200L/ha.
  • the herbicide adjuvant is treated separately, and the herbicide adjuvant is diluted with water.
  • the herbicide adjuvant is made up of iso-tridecanol polyoxyethylene ether and N,N-dimethyl decyl amide in a weight ratio of 1:2.
  • the spray liquid was sprayed on the soil in the pot at a dosage of 750g/ha according to the herbicide adjuvant application at a rate of 200L/ha.
  • the 51% granules of flumioxazin and the herbicide adjuvant are diluted with water to form a spray liquid.
  • the weight ratio of the flumioxazin technical and the herbicide adjuvant is 1:10, wherein the herbicide adjuvant is a different Structure tridecyl alcohol polyoxyethylene ether.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 75g ai./ha of flumioxazin, and an application dosage of 375g/ha of the herbicide adjuvant, at an application rate of 200L/ha.
  • the 51% granules of flumioxazin and the herbicide adjuvant are diluted with water to form a spray liquid.
  • the weight ratio of the flumioxazin technical and the herbicide adjuvant is 1:10, wherein the herbicide adjuvant is N ,N-Dimethyloctylamide.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 75g ai./ha of flumioxazin, and an application dosage of 375g/ha of the herbicide adjuvant, at an application rate of 200L/ha.
  • the plant growth inhibition rate was measured 30 days after the treatment, and the results are shown in Table 5.
  • the following treatment examples and comparative treatment examples for the herbicidal activity test of fluazidone are all used greenhouse potting treatment method, a plastic pot is filled with quantitative soil, and the soil organic matter content is 3.0%, pH 8.0, and moisture 1.8%. Sow 15-20 seeds of nightshade on the surface of the soil, cover with 0.5-1cm of fine soil and place them in a greenhouse for cultivation. After 24 hours, spray the chemical on the soil. Each treatment was repeated 4 times, and the drug-free treatment was used as a blank control. After treatment, place it in a greenhouse to cultivate and observe the growth of nightshade on a regular basis. About 30 days after treatment, determine the number of weeds and the fresh weight of the above-ground part of the different treatments in the treatment example and the comparative treatment example, and calculate the growth inhibition rate% according to the following formula:
  • the weight ratio of flufenazone and the herbicide adjuvant is 1:4, wherein the herbicide adjuvant is composed of C 9 -C 11 Alkyl alcohol polyoxyethylene polyoxypropylene ether and N,N-dimethyl octamide are prepared according to the weight ratio of 1:0.5.
  • the spray solution was sprayed on the soil in the pot with the application dosage of flufenazone 250g ai./ha, the application dosage of the herbicide adjuvant 1000g/ha, and the application rate of 400L/ha.
  • Alcohol polyoxyethylene ether and N,N-dimethyl decanamide are prepared according to the weight ratio of 1:2.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 250g ai./ha of flufenazone, an application dosage of 500g/ha of herbicide adjuvant, and an application rate of 400L/ha.
  • Dilute fluoxynil 480g/L suspension agent and herbicide adjuvant with water the weight ratio of flufenazone technical and herbicide adjuvant is 1:2, wherein, the herbicide adjuvant is composed of C 9 -C 11 Alkyl alcohol polyoxyethylene polyoxypropylene ether and N,N-dimethyl octamide are prepared according to the weight ratio of 1:0.5.
  • the spray solution was sprayed on the soil in the pot at a dosage of 200g ai./ha of flufenazone and 400g/ha of herbicide adjuvants at a dosage of 400L/ha.
  • Dilute fluoxazone 480g/L suspending agent and herbicide adjuvant with water the weight ratio of flufentrazone technical and herbicide adjuvant is 1:20, wherein, the herbicide adjuvant consists of C 9 -C 11 Alkyl alcohol polyoxyethylene polyoxypropylene ether and N,N-dimethyl octamide are prepared according to the weight ratio of 1:0.5.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 200g ai./ha of flufenazone, an application dosage of 4000g/ha of herbicide adjuvants, and an application rate of 400L/ha.
  • the weight ratio of flufenazone to herbicide adjuvant is 1:10, wherein the herbicide adjuvant is made of isooctanol.
  • the oxyethylene polyoxypropylene ether and N,N-dimethyl octamide are prepared according to the weight ratio of 1:0.1.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 250g ai./ha of flufenazone, an application dosage of 2500g/ha of herbicide adjuvant, and an application rate of 400L/ha.
  • the weight ratio of flufenazone to herbicide adjuvant is 1:10, wherein the herbicide adjuvant is made of isooctanol.
  • the oxyethylene polyoxypropylene ether and N,N-dimethyl octamide are prepared according to the weight ratio of 1:10.
  • the spray solution was sprayed on the soil in the pot at an application dosage of 250g ai./ha of flufenazone, an application dosage of 2500g/ha of herbicide adjuvant, and an application rate of 400L/ha.
  • the additives are a mixture of vegetable oil methyl esters and non-ionic emulsifiers (tank mixing additives, trade name HASTEN, purchased from VICCHEM), flupizone and The weight ratio of additives is 1:2.
  • the spray liquid was applied at a dosage of 250 g ai./ha of flufenpyrone, and the application dosage of the adjuvant was 500 g/ha.
  • the spray liquid was diluted with water and sprayed onto the soil in the pot at an application rate of 400 L/ha.
  • the herbicide adjuvant is treated separately, and the herbicide adjuvant is diluted with water.
  • the herbicide adjuvant consists of C 9 -C 11 alkyl alcohol polyoxyethylene polyoxypropylene ether and N,N-dimethyloctylamide in a weight ratio of 1: 0.5 configuration.
  • the spray solution was sprayed on the soil in the pot at a dosage of 1000 g/ha according to the herbicide adjuvant and an application rate of 400 L/ha.
  • the weight ratio of the flufenazone original drug and the herbicide adjuvant is 1:2, wherein the herbicide adjuvant is C 9 -C 11 alkyl alcohol polyoxyethylene polyoxypropylene ether.
  • the spray solution was sprayed on the soil in the pot at a dosage of 200g ai./ha of flufenazone and 400g/ha of herbicide adjuvants at a dosage of 400L/ha.
  • Dilute fluoxynil 480g/L suspension and herbicide adjuvant with water to form a spray liquid Dilute fluoxynil 480g/L suspension and herbicide adjuvant with water to form a spray liquid.
  • the weight ratio of flufenazone original drug and herbicide adjuvant is 1:2, wherein the herbicide adjuvant is N, N-Dimethyloctylamide.
  • the spray solution was sprayed on the soil in the pot at a dosage of 200g ai./ha of flufenazone and 400g/ha of herbicide adjuvants at a dosage of 400L/ha.
  • the plant growth inhibition rate was measured 30 days after the treatment, and the results are shown in Table 6.

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Abstract

本公开提供了一种除草剂辅助剂及应用、除草剂组合物及施用方法，涉及除草剂技术领域，所述除草剂辅助剂包括直链或支链C 8-C 22碳烷基的脂肪醇烷氧基化合物和脂肪醇烷氧基化合物，本公开提供的除草剂辅助剂通过脂肪醇烷氧基化合物和脂肪族取代酰胺相互配合，使其与疏水性除草剂配合施用时，产生协同效应，能够有效改善土壤对疏水性除草剂的吸附作用，增加疏水性除草剂在土壤中的迁移速率和生物利用率，提高疏水性除草剂活性，减少土壤污染，对经济、环境友好。

Description

除草剂辅助剂及应用、除草剂组合物及施用方法
相关申请的交叉引用
本公开要求于2020年5月21日提交中国专利局的申请号为202010438384.0、名称为“除草剂辅助剂及应用、除草剂组合物及施用方法”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及除草剂技术领域，尤其是涉及一种除草剂辅助剂及应用、除草剂组合物及施用方法。
背景技术
土壤施用的除草剂大多通过植物根部吸收，疏水性的除草剂施用于土壤后，与土壤间存在吸附/解吸附的关系，而大部分疏水性的除草剂由于受到土壤吸附作用，基本存在于土壤表面，很难移动，从而大大影响了除草剂的迁移速率和生物利用率，降低了除草活性。尤其是土壤中有机质、黏土等含量较高的时候，可强烈吸附一些疏水性除草剂，导致疏水性除草剂无法被杂草根部吸收，影响除草活性，而且污染土壤。
发明内容
本公开的目的之一包括，例如提供一种除草剂辅助剂，该除草剂辅助剂能够有效提高疏水性除草剂在土壤中的移动性和溶解性，缓解疏水性除草剂在土壤中的迁移速率受限，生物利用率低的技术问题。
本公开提供的除草剂辅助剂包括脂肪醇烷氧基化合物和脂肪族取代酰胺，其中，脂肪醇烷氧基化合物为直链或支链C 8-C 22碳烷基的脂肪醇烷氧基化合物；
脂肪族取代酰胺具有如下通式：
Figure PCTCN2021088988-appb-000001
R 1为直链或者支链的C 4-C 16烷基，R 2和R 3各自独立地为H、CH 3或C 2H 5，且R 2和R 3不同时为H。
在一种或多种实施方式中，脂肪醇烷氧基化合物包括脂肪醇乙氧基化合物、脂肪醇丙 氧基化合物和脂肪醇乙氧基丙氧基化合物中的至少一种。
在一种或多种实施方式中，除草剂辅助剂中，脂肪醇烷氧基化合物和脂肪族取代酰胺的重量比为1:0.1-1:10，例如1:0.5-1:1.5。
本公开的目的之二包括，例如提供上述除草剂辅助剂在提高疏水性除草剂活性中的应用。
在一种或多种实施方式中，除草剂辅助剂的土壤施用量为0.1-50kg/ha，例如1-20kg/ha。
本公开的目的之三包括，例如提供一种除草剂组合物，包括疏水性除草剂和本公开目的之一中提供的除草剂辅助剂，疏水性除草剂和除草剂辅助剂的重量比为1:0.6-1:50。
在一种或多种实施方式中，疏水性除草剂和所述除草剂辅助剂的重量比为1:1-1:30，例如1:2-1:20。
在一种或多种实施方式中，疏水性除草剂包括乙酰辅酶A羧化酶抑制剂、乙酰乳酸合成酶抑制剂、光合系统抑制剂、原卟啉原氧化酶抑制剂、类胡萝卜素合成抑制剂、4-羟基苯基丙酮酸双氧化酶抑制剂、有丝分裂抑制剂、细胞分裂抑制剂、细胞壁合成抑制剂、植物生长素除草剂、激素传导抑制剂、环庚草醚、麦草伏、抑芽丹、苄草隆、香草隆和茚草酮中的至少一种。
在一种或多种实施方式中，乙酰辅酶A羧化酶抑制剂包括炔草酯、烯草酮和唑啉草酯中的至少一种；
在一种或多种实施方式中，乙酰乳酸合成酶抑制剂包括双氟磺草胺、五氟磺草胺、苯磺隆、甲基二磺隆和双草醚中的至少一种；
在一种或多种实施方式中，光合系统抑制剂包括特草定、胺唑草酮、敌草隆、扑草净和敌草快中的至少一种。
在一种或多种实施方式中，原卟啉原氧化酶抑制剂包括丙炔氟草胺、甲磺草胺和苯嘧磺草胺中的至少一种；
在一种或多种实施方式中，类胡萝卜素合成抑制剂包括氟啶草酮、呋草酮、异噁草松、吡氟酰草胺和氟草敏中的至少一种；
在一种或多种实施方式中，4-羟基苯基丙酮酸双氧化酶抑制剂包括硝磺草酮和/或异恶唑草酮；
在一种或多种实施方式中，有丝分裂抑制剂包括氟草胺、氟乐灵、氨氟乐灵、二甲戊灵，氟硫草定和氯苯胺灵中的至少一种；
在一种或多种实施方式中，细胞分裂抑制剂包括甲草胺、丁草胺、S-异丙甲草胺、氟噻草胺、苯噻草胺和唑草胺中的至少一种；
在一种或多种实施方式中，细胞壁合成抑制剂包括氟胺草唑、异噁酰草胺和敌草腈中的至少一种；
在一种或多种实施方式中，植物生长素除草剂包括氯氟吡氧乙酸、麦草畏和二氯喹啉酸中的至少一种；
在一种或多种实施方式中，激素传导抑制剂包括萘草胺和/或氟吡草腙；
在一种或多种实施方式中，其它类疏水性除草剂包括环庚草醚、麦草伏、抑芽丹、苄草隆、香草隆和茚草酮中的至少一种。
在一种或多种实施方式中，疏水性除草剂选自氟噻草胺、丙炔氟草胺、氟啶草酮、异恶唑草酮、双氯磺草胺、五氟磺草胺、甲磺草胺、苯嘧磺草胺、氟草敏、吡氟酰草胺、二甲戊灵和氨氟乐灵中至少一种。
本公开的目的之四包括，例如提供上述除草剂组合物的施用方法，包括如下步骤：将本公开提供的除草剂组合物用水稀释形成可喷雾溶液，然后将可喷雾溶液施用于植物生长场所；
在一种或多种实施方式中，植物生长场所包括土壤；
在一种或多种实施方式中，除草剂辅助剂的土壤施用量为0.1-50kg/ha，例如1-20kg/ha；
在一种或多种实施方式中，疏水性除草剂的土壤施用量为0.01-40kg/ha。
在一种或多种实施方式中，稀释形成的可喷雾溶液包括其它活性组分和/或农用助剂；该活性组分为除草剂、杀菌剂和植物生长调节剂中的至少一种。
本公开提供的除草剂辅助剂通过脂肪醇烷氧基化合物和脂肪族取代酰胺相互配合，使其与疏水性除草剂配合施用时，产生协同效应，能够有效提高土壤对疏水性除草剂的吸附/解吸附行为，增加疏水性除草剂在土壤中的迁移速率和生物利用率，提高疏水性除草剂活性，减少土壤污染，对经济、环境友好。
本公开提供的除草剂组合物，通过除草剂辅助剂与疏水性除草剂相互配合，产生协同效应，能够有效提高土壤对疏水性除草剂的吸附/解吸附行为，增加疏水性除草剂在土壤中的迁移速率和生物利用率，提高疏水性除草剂活性，减少土壤污染，对经济、环境友好。
具体实施方式
下面将结合实施例对本公开的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
根据本公开的第一个方面，本公开提供了一种除草剂辅助剂，包括脂肪醇烷氧基化合物和脂肪族取代酰胺，其中，所述脂肪醇烷氧基化合物为直链或支链C 8-C 22碳烷基的脂肪醇烷氧基化合物；
所述脂肪族取代酰胺具有如下通式：
Figure PCTCN2021088988-appb-000002
所述R 1为直链或者支链的C 4-C 16烷基，R 2和R 3各自独立地为H、CH 3或C 2H 5，且R 2和R 3不同时为H。
本公开提供的除草剂辅助剂通过脂肪醇烷氧基化合物和脂肪族取代酰胺相互配合，使其与疏水性除草剂配合施用时，产生协同效应，能够有效提高土壤对疏水性除草剂的吸附/解吸附行为，增加疏水性除草剂在土壤中的迁移速率和生物利用率，提高疏水性除草剂活性，减少土壤污染，对经济、环境友好。
另外，本公开提供的除草剂辅助剂中，脂肪醇烷氧基化合物和脂肪族取代酰胺的脂肪碳链均能够在土壤中被微生物分别，不含有金属离子，对土壤污染小，能够有效降低土壤污染。
在本公开的一种典型实施方式中，所述脂肪醇烷氧基化合物包括脂肪醇乙氧基化合物、脂肪醇丙氧基化合物和脂肪醇乙氧基丙氧基化合物中的至少一种。
上述“至少一种”指的是，所述脂肪醇烷氧基化合物既可以包括脂肪醇乙氧基化合物、脂肪醇丙氧基化合物或脂肪醇乙氧基丙氧基化合物中的任意一种，还可以包括脂肪醇乙氧基化合物、脂肪醇丙氧基化合物或脂肪醇乙氧基丙氧基化合物中任意两种或三种的混合物。
在本公开的典型实施方式中，当脂肪醇烷氧基化合物选自脂肪醇乙氧基化合物、脂肪醇丙氧基化合物和脂肪醇乙氧基丙氧基化合物中的至少一种时，其与脂肪族取代酰胺配合后，与疏水性除草剂配合时的协同效应更高，更能够有效提高疏水性除草剂的活性，减少土壤污染，对经济、环境友好。
在本公开的一种典型实施方式中，所述除草剂辅助剂中，脂肪醇烷氧基化合物和脂肪族取代酰胺的重量比为1:0.1-1:10。
典型但非限制性的，除草剂辅助剂中，脂肪醇烷氧基化合物和脂肪族取代酰胺的重量比如为1:0.1、1:0.2、1:0.5、1:0.8、1:1、1:1.2、1:1.5、1:2、1:5、1:8或1:10，例如1:0.5-1:1.5。
当除草剂辅助剂中，脂肪醇烷氧基化合物和脂肪族取代酰胺的重量比为1:0.1-1:10时，除草剂辅助剂和疏水性除草剂配合使用时，能够产生更好的协同效应，提高疏水性除草剂在土壤中的迁移速率和活性，减少土壤污染，对经济、环境友好，尤其是当脂肪醇烷氧基化合物和脂肪族取代酰胺的重量比为1:0.5-1:1.5时，除草剂辅助剂与疏水性除草剂配合使用时，协同效应更好，疏水性除草剂的活性更高。
根据本公开的第二个方面，本公开提供了本公开第一个方面所述的除草剂辅助剂在提高疏水性除草剂活性中的应用。
在本公开的一种典型实施方式中，除草剂辅助剂的土壤施用量为0.1-50kg/ha，例如 1-20kg/ha。
典型但非限制性的，除草剂辅助剂的土壤施用量如为0.1、0.2、0.5、0.8、1、1.5、2、5、8、10、15、20、25、30、35、40、45或50kg/ha。
当本公开提供的除草剂辅助剂在土壤中的施用量为0.1-50kg/ha时，即能够与疏水性除草剂起到良好的协同作用，提高疏水性除草剂在土壤中的迁移能力和溶解性能，从而有效提高疏水性除草剂的活性，减少土壤污染，对经济、环境友好，尤其当除草剂辅助剂在土壤中的施用量为1-20kg/ha时，与疏水性除草剂起到良好的协同作用更好，疏水性除草剂的活性更高。
根据本公开的第三个方面，本公开提供了一种除草剂组合物，包括疏水性除草剂和发明第一个方面所述的除草剂辅助剂，所述疏水性除草剂和所述除草剂辅助剂的重量比为1:0.6-1:50，例如1:1-1:30，诸如1:2-1:20。
典型但非限制性的，疏水性除草剂和除草剂辅助剂的重量比如为1:0.6、1:0.8、1:1、1:2、1:5、1:8、1:10、1:12、1:15、1:18、1:20、1:25、1:30、1:40或1:50。
在本公开中，当除草剂组合物中，疏水性除草剂和除草剂辅助剂的重量比为1:0.6-1:50时，疏水性除草剂和除草剂辅助剂相互配合，起到良好的协同作用，提高疏水性除草剂的活性，减少土壤污染，对经济、环境友好，尤其是疏水性除草剂和除草剂辅助剂的重量比为1:1-1:30时，除草剂组合物的生物活性更高，特别是当疏水性除草剂和除草剂辅助剂的重量比为1:2-1:20时，疏水性除草剂和除草剂辅助剂的协同效应更为优异。
在本公开中，疏水性除草剂指的是在即在20℃，标准气压下，该除草剂在100g pH值为7的水中溶解度小于1g，例如小于0.1g。
在本公开中，所述疏水性除草剂可以为The Pesticide Manual(2018第18版,British Crop Production Council)中所公知的除草剂。
在本公开的一种典型实施方式中，疏水性除草剂包括乙酰辅酶A羧化酶抑制剂、乙酰乳酸合成酶抑制剂、光合系统抑制剂、原卟啉原氧化酶抑制剂、类胡萝卜素合成抑制剂、4-羟基苯基丙酮酸双氧化酶抑制剂、有丝分裂抑制剂、细胞分裂抑制剂、细胞壁合成抑制剂、植物生长素除草剂、激素传导抑制剂、环庚草醚、麦草伏、抑芽丹、卞草隆、香草隆和茚草酮中的至少一种。
上述“至少一种”指的是疏水性除草剂既可以选自乙酰辅酶A羧化酶抑制剂、乙酰乳酸合成酶抑制剂、光合系统抑制剂、原卟啉原氧化酶抑制剂、类胡萝卜素合成抑制剂、4-羟基苯基丙酮酸双氧化酶抑制剂、有丝分裂抑制剂、细胞分裂抑制剂、细胞壁合成抑制剂、植物生长素除草剂、激素传导抑制剂和其它类疏水性除草剂中任意一种，也可以选自上述疏水性除草剂中的两种、三种、四种或者四种以上疏水性除草剂的混合物。
在本公开的一种典型实施方式中，乙酰辅酶A羧化酶抑制剂包括炔草酯、烯草酮和唑 啉草酯中的至少一种。
上述“至少一种”指的是乙酰辅酶A羧化酶抑制剂既可以为炔草酯、烯草酮或唑啉草酯中的任意一种，也可以为炔草酯、烯草酮或唑啉草酯中任意两种或三种的混合物。
在本公开的一种典型实施方式中，乙酰乳酸合成酶抑制剂包括双氟磺草胺、五氟磺草胺、苯磺隆、甲基二磺隆和双草醚中的至少一种。
上述“至少一种”指的是乙酰乳酸合成酶抑制剂既可以为双氟磺草胺、五氟磺草胺、苯磺隆、甲基二磺隆和双草醚中的任意一种，也可以为上述任意两种、三种或四种物质的混合物。
在本公开的一种典型实施方式中，所述光合抑制剂包括特草定、胺唑草酮、敌草隆、扑草净和敌草快中的至少一种。
上述“至少一种”指的是光合抑制剂既可以为特草定、胺唑草酮、敌草隆、扑草净和敌草快中的任意一种，也可以为上述任意两种、三种、四种或五种物质的混合物。
在本公开的一种典型实施方式中，原卟啉原氧化酶抑制剂包括丙炔氟草胺、甲磺草胺和苯嘧磺草胺中的至少一种。
上述“至少一种”指的是原卟啉原氧化酶抑制剂既可以为丙炔氟草胺、甲磺草胺和苯嘧磺草胺中的任意一种，也可以为上述任意两种或三种的混合物。
在本公开的一种典型实施方式中，类胡萝卜素合成抑制剂包括氟啶草酮、呋草酮、异噁草松、吡氟酰草胺和氟草敏中的至少一种。
上述“至少一种”指的是类胡萝卜素合成抑制剂既可以为氟啶草酮、呋草酮、异噁草松、吡氟酰草胺和氟草敏中的任意一种，也可以为上述任意两种、三种、四种或五种的混合物。
在本公开的一种典型实施方式中，4-羟基苯基丙酮酸双氧化酶抑制剂包括硝磺草酮和/或异恶唑草酮。
上述“和/或”指的是4-羟基苯基丙酮酸双氧化酶抑制剂既可以为硝磺草酮，也可以为异恶唑草酮，还可以为硝磺草酮和异恶唑草酮的混合物。
在本公开的一种典型实施方式中，有丝分裂抑制剂包括氟草胺、氟乐灵、氨氟乐灵、二甲戊灵，氟硫草定和氯苯胺灵中的至少一种。
上述“至少一种”指的是有丝分裂抑制剂既可以为氟草胺、氟乐灵、氨氟乐灵、二甲戊灵，氟硫草定和氯苯胺灵中的任意一种，也可以为任意两种、三种或四种以上物质的混合物。
在本公开的一种典型实施方式中，细胞分裂抑制剂包括甲草胺、丁草胺、S-异丙甲草胺、氟噻草胺、苯噻草胺和唑草胺中的至少一种。
上述“至少一种”指的是细胞分裂抑制剂既可以为甲草胺、丁草胺、S-异丙甲草胺、 氟噻草胺、苯噻草胺或唑草胺中的任意一种，也可以为上述任意两种、三种或四种物质的混合物。
在本公开的一种典型实施方式中，细胞壁合成抑制剂包括氟啶草唑、噁酰草胺和敌草腈中的至少一种。
上述“至少一种”指的是细胞壁合成抑制剂既可以为氟啶草唑、噁酰草胺或敌草腈中的任意一种，也可以为上述任意两种或三种物质的混合物。
在本公开的一种典型实施方式中，植物生长素除草剂包括氯氟吡氧乙酸、麦草畏和二氯喹啉酸中的至少一种。
上述“至少一种”指的是植物生长素除草剂既可以为氯氟吡氧乙酸、麦草畏或二氯喹啉酸中任意一种，也可以为上述任意两种或三种物质的混合物。
在本公开的一种典型实施方式中，激素传导抑制剂包括萘草胺和/或氟吡草腙。
上述“和/或”指的是激素传导抑制剂可以为萘草胺，也可以为氟吡草腙，还可以为萘草胺和氟吡草腙的混合物。
在本公开的另一典型实施方式中，疏水性除草剂选自氟噻草胺、丙炔氟草胺、氟啶草酮、异恶唑草酮、双氯磺草胺、五氟磺草胺、甲磺草胺、苯嘧磺草胺、氟草敏、吡氟酰草胺、二甲戊灵和氨氟乐灵中至少一种。
上述“至少一种”指的是疏水性除草剂可以是氟噻草胺、丙炔氟草胺、氟啶草酮、异恶唑草酮、双氯磺草胺、五氟磺草胺、甲磺草胺、苯嘧磺草胺、氟草敏、吡氟酰草胺、二甲戊灵和氨氟乐灵中任意一种，也可以为上述任意两种、三种、四种或四种以上物质的混合物。
当疏水性除草剂为氟噻草胺、丙炔氟草胺、氟啶草酮、异恶唑草酮、双氯磺草胺、五氟磺草胺、甲磺草胺、苯嘧磺草胺、氟草敏、吡氟酰草胺、二甲戊灵或氨氟乐灵时，其与除草剂辅助剂配合使用时，协同效应更加优异，更能够有效提高上述疏水性除草剂的活性。
根据本公开的第四个方面，本公开提供了一种除草剂组合物的施用方法，包括如下步骤：
将本公开提供的除草剂组合物用水稀释形成可喷雾溶液，然后将可喷雾溶液施用于植物生长场所即可。
在本公开的一种典型实施方式中，植物生长场所包括但不限于土壤。
在本公开的另一典型实施方式中，土壤的土质包括但不限于黏土、砂土、砂质黏土、黏质砂土、壤土、沙壤土、黑壤土等，例如黏土和壤土。
在本公开的一种典型实施方式中，在植物生长场所施用除草剂组合物时，可以将疏水性除草剂和除草剂辅助剂混合后制成可喷雾溶液施用，也可以将疏水性除草剂和除草剂辅助剂分别制成可喷雾溶液后分别施用，分别施用时，疏水性除草剂和除草剂辅助剂的施用 时间间隔不超过30天。
在本公开的另一典型实施方式中，疏水性除草剂和除草剂辅助剂的施用时间间隔不超过3天。
在本公开的一种典型实施方式中，上述可喷雾溶液可通过喷雾器、喷雾机或灌溉系统将所述可喷雾溶液施用于植物生长场所。
在本公开的一种典型实施方式中，疏水性除草剂的土壤施用量取决于疏水性除草剂的种类以及施用的场所，疏水性除草剂的土壤施用量一般为0.01-40kg/ha。
典型但非限制性的，疏水性除草剂的土壤施用量如为0.01、0.02、0.05、0.08、1、2、5、8、10、12、15、18、20、25、30、35或40kg/ha。
在本公开的一种典型实施方式中，除草剂辅助剂的土壤施用量为0.1-50kg/ha，例如1-20kg/ha。
典型但非限制性的，除草剂辅助剂的土壤施用量如为0.1、0.2、0.5、0.8、1、2、5、8、10、15、20、25、30、35、40、45或50kg/ha。
当本公开提供的除草剂辅助剂在土壤中的施用量为0.1-50kg/ha时，即能够与疏水性除草剂起到良好的协同作用，提高疏水性除草剂在土壤中的迁移能力和溶解性能，从而有效提高疏水性除草剂的活性，减少土壤污染，对经济、环境友好，尤其是当本公开提供的除草剂辅助剂在土壤中的施用量为1-20kg/ha时，其与疏水性除草剂的协同效应更为优异。
在本公开的一种典型实施方式中，稀释形成的可喷雾溶液还包括其它活性组分和/或农用助剂；
在本公开的该典型实施方式中，活性组分主要包括除草剂、杀菌剂和植物生长调节剂中的至少一种。本公开所指的其它活性组分为The Pesticide Manual(2018第18版,British Crop Production Council)中所公知的活性化学物质。
本公开提供的除草剂疏水性除草剂和除草剂辅助剂混合后制成可喷雾溶液，因两者协同作用，能够有效提高疏水性除草剂活性，还可与其它活性组分，如除草剂、杀菌剂或植物生长调节剂及农用助剂一起使用。
下面结合实施例和对比例对本公开提供的技术方案做典型的描述。
实施例和对比例采用疏水性除草剂的具体品类如下：
疏水性除草剂：丙炔氟草胺51％颗粒剂(商品名VALOR，购自VALENT)，氟啶草酮480g/L悬浮剂(商品名：龙草净，购自迈克斯(如东)化工有限公司)。
(一)丙炔氟草胺在土壤中的移动性实验
实施例1
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂 辅助剂由C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚(商品名SYNERGEN W06，购自CLARIANT)和N,N-二甲基辛酰胺按照重量比为2：1配置而成。
实施例2
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由异构十三醇聚氧乙烯醚和N,N-二甲基癸酰胺按照重量比为1:2配置而成。
实施例3
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由十三醇聚氧乙烯醚和N,N-二甲基丁酰胺按照重量比为1:1.5配置而成。
实施例4
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由异辛醇聚氧乙烯醚和N,N-二甲基辛酰胺按照重量比为1:0.1配置而成。
实施例5
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由十八醇聚氧乙烯醚和N,N-二甲基丁酰胺按照重量比为1:10配置而成。
实施例6
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由异辛醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1:0.01配置而成。
实施例7
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由十八醇聚氧乙烯醚和N,N-二甲基丁酰胺按照重量比为1:20配置而成。
对比例1
本对比例提供了一种喷雾液，其按照如下步骤制备得到：9.5g水中添加0.5g丙炔氟草胺51％颗粒剂，搅拌均匀后形成喷雾液。
对比例2
本对比例提供了一种喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g助剂，搅拌均匀后形成喷雾液，其中，助剂为植物油甲酯和非离子乳化剂混合物(桶混助剂，商品名HASTEN，购自VICCHEM)。
对比例3
本对比例提供了一种除草剂喷雾液，其按照如下步骤制备得到，在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g异构十三醇聚氧乙烯醚，搅拌均匀后形成喷雾液。
对比例4
本对比例提供了一种喷雾液，其按照如下步骤制备得到，在9g水中添加0.5g丙炔氟草胺51％颗粒剂和0.5g N,N-二甲基癸酰胺，搅拌均匀后形成喷雾液。
将实施例1-7和对比例1-4提供的喷雾液分别施用于土壤表面。
根据GB/T 31270.5-2014柱淋溶法进行测试，采用土柱直径4cm、高30cm。对土柱的土壤表面进行不同喷雾处理后，按测试方法加水淋洗，淋洗完毕后检测土壤不同深度中除草剂的含量占总量的比例。采用土壤分别为壤土(有机质含量1.35％，pH7.5，水分1.5％)和黏土(有机质含量0.7％，pH8.5，水分1.5％)。
分别测定实施例1-7和对比例1-4提供的喷雾溶液在不同土壤以及不同深度中的分布比例，表1为丙炔氟草胺在壤土中的分布结果，表2为丙炔氟草胺在黏土中的分布结果。
表1丙炔氟草胺在壤土中的分布
Figure PCTCN2021088988-appb-000003
表2丙炔氟草胺在黏土中的分布
Figure PCTCN2021088988-appb-000004
Figure PCTCN2021088988-appb-000005
(二)氟啶草酮在土壤中的移动性实验
实施例1
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚(商品名SYNERGEN W06，购自CLARIANT)和N,N-二甲基辛酰胺按照重量比为1：0.5配置而成。
实施例2
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由异构十三醇聚氧乙烯醚，N,N-二甲基癸酰胺按照重量比为1:2配置而成。
实施例3
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由十三醇聚氧乙烯醚和N,N-二甲基丁酰胺按照重量比为1:1.5配置而成。
实施例4
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由异辛醇聚氧乙烯醚和N,N-二甲基辛酰胺按照重量比为1:0.1配置而成。
实施例5
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂 辅助剂由十八醇聚氧乙烯醚和N,N-二甲基丁酰胺按照重量比为1:10配置而成。
实施例6
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由异辛醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1:0.01配置而成。
实施例7
本实施例提供了一种除草剂组合物喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g除草剂辅助剂，搅拌均匀后形成喷雾液，其中，除草剂辅助剂由十八醇聚氧乙烯醚和N,N-二甲基丁酰胺按照重量比为1:20配置而成。
对比例1
本对比例提供了一种喷雾液，其按照如下步骤制备得到：9.5g水中添加0.5g氟啶草酮480g/L悬浮剂，搅拌均匀后形成喷雾液。
对比例2
本对比例提供了一种喷雾液，其按照如下步骤制备得到：在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g助剂，搅拌均匀后形成喷雾液，其中，助剂为植物油甲酯和非离子乳化剂混合物(桶混助剂，商品名HASTEN，购自VICCHEM)。
对比例3
本对比例提供了一种喷雾液，其按照如下步骤制备得到，在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5g异构十三醇聚氧乙烯醚，搅拌均匀后形成喷雾液。
对比例4
本对比例提供了一种喷雾液，其按照如下步骤制备得到，在9g水中添加0.5g氟啶草酮480g/L悬浮剂和0.5gN,N-二甲基癸酰胺，搅拌均匀后形成喷雾液。
将实施例1-7和对比例1-4提供的喷雾溶液分别施用于土壤表面。
根据GB/T 31270.5-2014柱淋溶法进行测试，测试方法如(一)中所述，在此不再赘述。采用土壤分别为壤土(有机质含量1.35％，pH7.5，水分1.5％)和黑壤土(有机质含量2.8％，pH6.5，水分1.8％)。
分别测定实施例1-7和对比例1-4提供的喷雾溶液在不同土壤以及不同深度中的分布比例，表3为氟啶草酮在壤土中的分布结果，表4为氟啶草酮在黑壤土中的分布结果。
表3氟啶草酮在壤土中的分布
Figure PCTCN2021088988-appb-000006
Figure PCTCN2021088988-appb-000007
表4氟啶草酮在黑壤土中的分布
Figure PCTCN2021088988-appb-000008
(三)丙炔氟草胺除草活性实验
下列各实施处理例和对比处理例进行的丙炔氟草胺除草活性测试均采用温室盆栽处理法，在塑料盆内装定量土，采用土壤有机质含量为3.0％，pH8.0，水分1.8％。将反枝苋种 子15-20粒撒播于土表，覆细土0.5-1cm后置于温室内培养，24小时后进行药剂土壤喷雾处理。每处理重复4次，以不含药处理为空白对照。处理后置于温室中培养，定期观察反枝苋的生长情况，处理后30天左右测定实施处理例与对比处理例对照样等不同处理杂草株数和地上部分鲜重，并按下列公式计算生长抑制率％：
Figure PCTCN2021088988-appb-000009
实施处理例1
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂形成喷雾液，丙炔氟草胺原药和除草剂辅助剂的重量比为1:5，其中，所述除草剂辅助剂由C9-C11烷基醇聚氧乙烯聚氧丙烯醚(商品名SYNERGEN W06，购自CLARIANT)和N,N-二甲基辛酰胺按照重量比为1：0.5配置而成。
将喷雾液以丙炔氟草胺的施用剂量75g ai./ha，除草剂辅助剂施用剂量375g/ha，以200L/ha的施用量喷雾于盆中土壤。
实施处理例2
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂形成喷雾液，丙炔氟草胺原药和除草剂辅助剂的重量比为1:5，其中，所述除草剂辅助剂由异构十三醇聚氧乙烯醚和N,N-二甲基癸酰胺按照重量比为1:2配置而成。
将喷雾液以丙炔氟草胺的施用剂量75g ai./ha，除草剂辅助剂施用剂量375g/ha，以200L/ha的施用量喷雾于盆中土壤。
实施处理例3
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂，丙炔氟草胺原药和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂由异构十三醇聚氧乙烯醚和N,N-二甲基癸酰胺按照重量比为1:2配置而成。
将喷雾液以丙炔氟草胺的施用剂量75g ai./ha，除草剂辅助剂施用剂量750g/ha，以200L/ha的施用量喷雾于盆中土壤。
实施处理例4
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂，丙炔氟草胺原药和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂由异构十三醇聚氧乙烯醚，N,N-二甲基癸酰胺按照重量比为1:2配置而成。
将喷雾液以丙炔氟草胺的施用剂量45g ai./ha，除草剂辅助剂施用剂量450g/ha，以200L/ha的施用量喷雾于盆中土壤。
实施处理例5
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂，丙炔氟草胺原药和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂由异辛醇聚氧乙烯醚和N,N-二甲基辛酰胺按照重量比为1:0.1配置而成。
将喷雾液以丙炔氟草胺的施用剂量75g ai./ha，除草剂辅助剂施用剂量750g/ha，以200L/ha的施用量喷雾于盆中土壤。
实施处理例6
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂，丙炔氟草胺原药和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂由异辛醇聚氧乙烯醚和N,N-二甲基辛酰胺按照重量比为1:10配置而成。
将喷雾液以丙炔氟草胺的施用剂量75g ai./ha，除草剂辅助剂施用剂量750g/ha，以200L/ha的施用量喷雾于盆中土壤。
对比处理例1
丙炔氟草胺单剂处理，用水稀释丙炔氟草胺51％颗粒剂(不含除草剂辅助剂)形成喷雾液，将喷雾液以丙炔氟草胺原药的施用剂量为75g ai./ha，以200L/ha的施用量喷雾于盆中土壤。
对比处理例2
除草剂辅助剂单独处理，用水稀释除草剂辅助剂，除草剂辅助剂由C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为2：1配置而成。
将喷雾液以除草剂辅助剂施用剂量为750g/ha，以200L/ha的施用量喷雾于盆中土壤。
对比处理例3
除草剂辅助剂单独处理，用水稀释除草剂辅助剂，除草剂辅助剂由异构十三醇聚氧乙烯醚和N,N-二甲基癸酰胺按照重量比为1:2配置而成。
将喷雾液按照除草剂辅助剂施用剂量为750g/ha，以200L/ha的施用量喷雾于盆中土壤。
对比处理例4
仅用水以200L/ha的施用量喷雾于盆中土壤。
对比处理例5
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂形成喷雾液，丙炔氟草胺原药和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂为异构十三醇聚氧乙烯醚。
将喷雾液以丙炔氟草胺的施用剂量75g ai./ha，除草剂辅助剂施用剂量375g/ha，以200L/ha的施用量喷雾于盆中土壤。
对比处理例6
用水稀释丙炔氟草胺51％颗粒剂和除草剂辅助剂形成喷雾液，丙炔氟草胺原药和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂为N,N-二甲基辛酰胺。
将喷雾液以丙炔氟草胺的施用剂量75g ai./ha，除草剂辅助剂施用剂量375g/ha，以200L/ha的施用量喷雾于盆中土壤。
处理后30天测定植物生长抑制率，结果见表5。
表5丙炔氟草胺和除草剂辅助剂对反枝苋的除草活性试验结果
  鲜重抑制率(％) 株数抑制率(％)
实施处理例1 96.5 98.5
实施处理例2 95.8 96.0
实施处理例3 100.0 100.0
实施处理例4 94.1 95.4
实施处理例5 92.3 93.5
实施处理例6 94.2 94.9
对比处理例1 76.6 80.4
对比处理例2 0 0
对比处理例3 0 0
对比处理例4 0 0
对比处理例5 79.1 81.5
对比处理例6 81.3 82.9
(四)氟啶草酮除草活性实验
下列各实施处理例和对比处理例进行的氟啶草酮除草活性测试均采用温室盆栽处理法，在塑料盆内装定量土，采用土壤有机质含量为3.0％，pH8.0，水分1.8％。将龙葵种子15-20粒撒播于土表，覆细土0.5-1cm后置于温室内培养，24小时后进行药剂土壤喷雾处理。每处理重复4次，以不含药处理为空白对照。处理后置于温室中培养，定期观察龙葵的生长情况，处理后30天左右测定实施处理例与对比处理例不同处理杂草株数和地上部分鲜重，并按下列公式计算生长抑制率％：
Figure PCTCN2021088988-appb-000010
实施处理例1
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂形成喷雾液，氟啶草酮和除草剂辅助剂的重量比为1:4，其中，所述除草剂辅助剂由C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1：0.5配置而成。
将喷雾液以氟啶草酮的施用剂量250g ai./ha，除草剂辅助剂施用剂量1000g/ha，以400L/ha的施用量喷雾于盆中土壤。
实施处理例2
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂形成喷雾液，氟啶草酮和除草剂辅助剂的重量比为1:2，其中，所述除草剂辅助剂由异构十三醇聚氧乙烯醚和N,N-二甲基癸酰胺按照重量比为1:2配置而成。
将喷雾液以氟啶草酮的施用剂量250g ai./ha，除草剂辅助剂施用剂量500g/ha，以400L/ha的施用量喷雾于盆中土壤。
实施处理例3
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂，丙炔氟草胺原药和除草剂辅助剂的重量比为1:2，其中，所述除草剂辅助剂由C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1：0.5配置而成。
将喷雾液以氟啶草酮的施用剂量200g ai./ha，除草剂辅助剂施用剂量400g/ha，以400L/ha的施用量喷雾于盆中土壤。
实施处理例4
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂，丙炔氟草胺原药和除草剂辅助剂的重量比为1:20，其中，所述除草剂辅助剂由C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1：0.5配置而成。
将喷雾液以氟啶草酮的施用剂量200g ai./ha，除草剂辅助剂施用剂量4000g/ha，以400L/ha的施用量喷雾于盆中土壤。
实施处理例5
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂形成喷雾液，氟啶草酮和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂由异辛醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1：0.1配置而成。
将喷雾液以氟啶草酮的施用剂量250g ai./ha，除草剂辅助剂施用剂量2500g/ha，以400L/ha的施用量喷雾于盆中土壤。
实施处理例6
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂形成喷雾液，氟啶草酮和除草剂辅助剂的重量比为1:10，其中，所述除草剂辅助剂由异辛醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1：10配置而成。
将喷雾液以氟啶草酮的施用剂量250g ai./ha，除草剂辅助剂施用剂量2500g/ha，以400L/ha的施用量喷雾于盆中土壤。
对比处理例1
氟啶草酮单剂处理，用水稀释氟啶草酮(不含除草剂辅助剂)形成喷雾液，将喷雾液以丙炔氟草胺原药的施用剂量为250g ai./ha，以400L/ha的施用量喷雾于盆中土壤。
对比处理例2
用水稀释氟啶草酮480g/L悬浮剂和助剂形成喷雾液，助剂为植物油甲酯和非离子乳化剂混合物(桶混助剂，商品名HASTEN，购自VICCHEM)，氟啶草酮和助剂的重量比为1:2。
将喷雾液按照氟啶草酮的施用剂量为250g ai./ha，助剂的施用剂量为500g/ha，用水稀释形成喷雾液以400L/ha的施用量喷雾于盆中土壤。
对比处理例3
仅用水以200L/ha的施用量喷雾于盆中土壤。
对比处理例4
除草剂辅助剂单独处理，用水稀释除草剂辅助剂，除草剂辅助剂由C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚和N,N-二甲基辛酰胺按照重量比为1：0.5配置而成。
将喷雾液按照除草剂辅助剂施用剂量为1000g/ha，以400L/ha的施用量喷雾于盆中土壤。
对比处理例5
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂形成喷雾液，氟啶草酮原药和除草剂辅助剂的重量比为1:2，其中，所述除草剂辅助剂为C 9-C 11烷基醇聚氧乙烯聚氧丙烯醚。
将喷雾液以氟啶草酮的施用剂量200g ai./ha，除草剂辅助剂施用剂量400g/ha，以400L/ha的施用量喷雾于盆中土壤。
对比处理例6
用水稀释氟啶草酮480g/L悬浮剂和除草剂辅助剂形成喷雾液，氟啶草酮原药和除草剂辅助剂的重量比为1:2，其中，所述除草剂辅助剂为N,N-二甲基辛酰胺。
将喷雾液以氟啶草酮的施用剂量200g ai./ha，除草剂辅助剂施用剂量400g/ha，以400L/ha的施用量喷雾于盆中土壤。
处理后30天测定植物生长抑制率，结果见表6。
表6氟啶草酮和除草剂辅助剂对龙葵的除草活性试验结果
  鲜重抑制率(％) 株数抑制率(％)
实施处理例1 100.0 100.0
实施处理例2 94.1 95.8
实施处理例3 93.9 95.0
实施处理例4 98.3 99.4
实施处理例5 96.2 97.1
实施处理例6 94.5 95.1
对比处理例1 66.7 71.4
对比处理例2 79.8 82.5
对比处理例3 0 0
对比处理例4 0 0
对比处理例5 78.1 80.2
对比处理例6 77.6 79.5
最后应说明的是：以上各实施例仅用以说明本公开的技术方案，而非对其限制；尽管参照前述各实施例对本公开进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本公开各实施例技术方案的范围。

Claims (10)

  1. 一种除草剂辅助剂，其特征在于，所述除草剂辅助剂包括脂肪醇烷氧基化合物和脂肪族取代酰胺，其中，所述脂肪醇烷氧基化合物为直链或支链C 8-C 22碳烷基的脂肪醇烷氧基化合物；
    所述脂肪族取代酰胺具有如下通式：
    Figure PCTCN2021088988-appb-100001
    R 1为直链或者支链的C 4-C 16烷基，R 2和R 3各自独立地为H、CH 3或C 2H 5，且R 2和R 3不同时为H。
  2. 根据权利要求1所述的除草剂辅助剂，其特征在于，所述脂肪醇烷氧基化合物包括脂肪醇乙氧基化合物、脂肪醇丙氧基化合物和脂肪醇乙氧基丙氧基化合物中的至少一种。
  3. 根据权利要求1所述的除草剂辅助剂，其特征在于，所述除草剂辅助剂中，脂肪醇烷氧基化合物和所述脂肪族取代酰胺的重量比为1:0.1-1:10，优选为1:0.5-1:1.5。
  4. 权利要求1-3任一项所述的除草剂辅助剂在提高疏水性除草剂活性中的应用；
    优选地，所述除草剂辅助剂的土壤施用量为0.1-50kg/ha，优选为1-20kg/ha。
  5. 一种除草剂组合物，其特征在于，包括疏水性除草剂和权利要求1-3任一项所述的除草剂辅助剂，所述疏水性除草剂和所述除草剂辅助剂的重量比为1：0.6-1:50。
  6. 根据权利要求5所述的除草剂组合物，其特征在于，所述疏水性除草剂和所述除草剂辅助剂的重量比为1:1-1:30，优选为1:2-1:20。
  7. 根据权利要求5所述的除草剂组合物，其特征在于，所述疏水性除草剂包括乙酰辅酶A羧化酶抑制剂、乙酰乳酸合成酶抑制剂、光合系统抑制剂、原卟啉原氧化酶抑制剂、类胡萝卜素合成抑制剂、4-羟基苯基丙酮酸双氧化酶抑制剂、有丝分裂抑制剂、细胞分裂抑制剂、细胞壁合成抑制剂、植物生长素除草剂、激素传导抑制剂、环庚草醚、麦草伏、抑芽丹、苄草隆、香草隆和茚草酮中的至少一种；
    优选地，所述乙酰辅酶A羧化酶抑制剂包括炔草酯、烯草酮和唑啉草酯中的至少一种；
    优选地，所述乙酰乳酸合成酶抑制剂包括双氟磺草胺、五氟磺草胺、苯磺隆、甲基二磺隆和双草醚中的至少一种；
    优选地，所述光合系统抑制剂包括特草定、胺唑草酮、敌草隆、扑草净和敌草快中的至少一种；
    优选地，所述原卟啉原氧化酶抑制剂包括丙炔氟草胺、甲磺草胺和苯嘧磺草胺中的至少一种；
    优选地，所述类胡萝卜素合成抑制剂包括氟啶草酮、呋草酮、异噁草松、吡氟酰草胺和氟草敏中的至少一种；
    优选地，所述4-羟基苯基丙酮酸双氧化酶抑制剂包括硝磺草酮和/或异恶唑草酮；
    优选地，所述有丝分裂抑制剂包括氟草胺、氟乐灵、氨氟乐灵、二甲戊灵，氟硫草定和氯苯胺灵中的至少一种；
    优选地，所述细胞分裂抑制剂包括甲草胺、丁草胺、S-异丙甲草胺、氟噻草胺、苯噻草胺和唑草胺中的至少一种；
    优选地，所述细胞壁合成抑制剂包括氟胺草唑、异噁酰草胺和敌草腈中的至少一种；
    优选地，所述植物生长素除草剂包括氯氟吡氧乙酸、麦草畏和二氯喹啉酸中的至少一种；
    优选地，所述激素传导抑制剂包括萘草胺和/或氟吡草腙。
  8. 根据权利要求5所述的除草剂组合物，其特征在于，所述疏水性除草剂选自氟噻草胺、丙炔氟草胺、氟啶草酮、异恶唑草酮、双氯磺草胺、五氟磺草胺、甲磺草胺、苯嘧磺草胺、氟草敏、吡氟酰草胺、二甲戊灵和氨氟乐灵中至少一种。
  9. 一种除草剂组合物的施用方法，其特征在于，包括如下步骤：
    将权利要求5-8任一项所述的除草剂组合物用水稀释形成可喷雾溶液，然后将所述可喷雾溶液施用于植物生长场所；
    优选地，所述植物生长场所包括土壤；
    优选地，所述除草剂辅助剂的土壤施用量为0.1-50kg/ha，优选为1-20kg/ha；
    优选地，所述疏水性除草剂的土壤施用量为0.01-40kg/ha。
  10. 根据权利要求9的所述的施用方法，其特征在于，稀释形成的可喷雾溶液包括其它活性组分和/或农用助剂；
    所述活性组分为除草剂、杀菌剂和植物生长调节剂中的至少一种。
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