WO2022126466A1 - Ternary herbicidal composition and application thereof - Google Patents

Ternary herbicidal composition and application thereof Download PDF

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Publication number
WO2022126466A1
WO2022126466A1 PCT/CN2020/137075 CN2020137075W WO2022126466A1 WO 2022126466 A1 WO2022126466 A1 WO 2022126466A1 CN 2020137075 W CN2020137075 W CN 2020137075W WO 2022126466 A1 WO2022126466 A1 WO 2022126466A1
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herbicidal composition
weeds
composition according
application
herbicidal
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PCT/CN2020/137075
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French (fr)
Chinese (zh)
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张耀中
李向阳
迟归兵
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山东省农药检定所(山东省农药质量检验站)
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Priority to PCT/CN2020/137075 priority Critical patent/WO2022126466A1/en
Publication of WO2022126466A1 publication Critical patent/WO2022126466A1/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—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
    • A01N43/42—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 condensed with carbocyclic 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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P13/00—Herbicides; Algicides

Definitions

  • the invention belongs to the field of pesticides, in particular to a ternary compound herbicidal composition and application thereof.
  • Chemical weeding is the most economical and effective method for weed control in farmland.
  • the long-term continuous and high-dose use of chemical herbicides of a single species or single mode of action is likely to cause problems such as weed resistance and resistance evolution.
  • the rational compounding or compounding of herbicide compounds has the advantages of expanding the weed spectrum, improving the control effect, delaying the occurrence and development of drug resistance and drug resistance of weeds, etc., and is one of the most effective methods to solve the above problems. Therefore, there is an urgent need to develop herbicidal compositions with high safety, broad herbicidal spectrum, synergistic effects and solving the problem of resistant weeds.
  • the present invention provides a ternary compound herbicidal composition and its application.
  • the composition can effectively control the problems of weeds such as C. chinensis, chickweed, bovine chickweed, Artemisia annua, shepherd's purse, etc., and has the characteristics of expanding the weed killing spectrum, reducing the application amount, being able to produce synergistic effects and solving resistant weeds and the like. .
  • a ternary compound herbicidal composition comprises herbicidal effective amounts of active components acetodizone, diflufenazone and quinclorac.
  • the weight ratio of etoxazone, diafenazone and quinclorac is 1 ⁇ 300:1 ⁇ 100:1 ⁇ 500, preferably 20 ⁇ 200:1 ⁇ 50:20 ⁇ 300, more preferably 40 to 180:1 to 20:50 to 250.
  • the mass percentage content of etoxazone, diflufenazone and quinclorac in the total amount is 1-95%, preferably 10-80%.
  • the herbicidal composition also includes conventional adjuvants including carriers and surfactants.
  • carrier means an organic or inorganic, natural or synthetic substance. They facilitate application of the active ingredient, the carrier being generally inert and must be agriculturally acceptable, especially by the plants being treated.
  • the carrier can be solid, such as clay, natural or synthetic silicates, silica, resins, waxes, solid fertilizers, etc.; or liquid, such as water, alcohols, ketones, petroleum fractions, aromatic or waxy hydrocarbons, chlorine Substitute hydrocarbons, liquefied gas, etc.
  • Surfactants may include emulsifying agents, dispersing agents or wetting agents, which may be ionic or non-ionic. Examples which may be mentioned are the salts of polyacrylic acid, lignosulfonate, phenolsulfonic acid or naphthalenesulfonic acid, ethylene oxide with aliphatic alcohols or with aliphatic acids or with aliphatic amines with substituted phenols (particularly polymers of alkylphenols or arylphenols), sulfosuccinates, taurine derivatives (especially taurine alkyl esters) and phosphate esters of alcohols or polyhydroxyethylated phenols, Alkyl sulfonates, alkylaryl sulfonates, alkyl sulfates, lauryl ether sulfates, fatty alcohol sulfates, and sulfated hexadec-, heptadeca-, and octadecanol and
  • compositions may also contain various other components such as protective colloids, binders, thickeners, thixotropic agents, penetrants, stabilizers, chelating agents, dyes, colorants and polymers.
  • the herbicidal composition further comprises at least one safener, which can be specifically selected from any safener mentioned in CN101194623A.
  • compositions of the present invention may be diluted or used directly by the user prior to use. Its preparation can be prepared by the usual processing method, that is, after mixing the active substance with a liquid solvent or a solid carrier, and then adding one or more of surfactants such as dispersing agent, stabilizer, wetting agent, adhesive, defoaming agent, etc. kind.
  • surfactants such as dispersing agent, stabilizer, wetting agent, adhesive, defoaming agent, etc. kind.
  • the specific formulations of the herbicidal composition are dispersible oil suspensions, water suspensions, suspoemulsions, wettable powders, emulsifiable concentrates, water dispersible granules (dry suspensions), water emulsions, and microemulsions.
  • compositions of the present invention can be mixed with solid and liquid additives conventionally used in prior art formulations.
  • the amount of active ingredient used varies with external conditions, such as temperature, humidity, properties of herbicides used, and the like.
  • compositions of the present invention can be applied by spraying to the foliage of the plants to be treated, ie to weeds, especially to surfaces that are infested or susceptible to infestation.
  • the present invention also provides an application of the herbicidal composition in controlling weeds, preferably, the herbicidal composition is used for selectively controlling weeds in useful crops; and a kind of controlling weeds is provided.
  • a method of growing comprising applying the herbicidal composition to an area where weeds are growing.
  • composition of the present invention is environmentally friendly and is easily degraded in the environment.
  • the herbicidal composition of the present invention has low cost and convenient use, and its popularization and application have huge economic and social benefits.
  • dispersible oil suspension agent processing equipment mixing kettle, colloid mill, sand mill, shearing machine, etc.
  • the above-mentioned dispersible oil suspension agent processing process put all the materials into the mixing kettle, stir and mix, pass through a colloid mill, then enter the third-stage sand mill in a sand mill, and finally shear evenly in a shearing machine. After passing the test, transfer it. to tank filling.
  • the other active ingredients required are purchased by the reagent company.
  • the original medicines were all made of acetone as solvent, diluted with 0.1% emulsifier Tween-80 aqueous solution, and diluted with current use. Weeds were cultivated in pots. When the weeds were at the 4-5 leaf stage, the stems and leaves were sprayed evenly, and the spray volume was 450 kg/ha.
  • the whole seedlings of surviving weeds were cut off along the soil surface with a blade, and the fresh weight of the weeds was weighed with an analytical balance. For dead weeds, the fresh weight is zero.
  • Colby's test was used to evaluate the types of combined effects of any two or three combinations on weeds.
  • E (%) (fresh weight of weeds in the treatment area/fresh weight of weeds in the control area) ⁇ 100
  • X represents the weed survival rate of A when the dosage is P
  • Y represents the weed survival rate of B when the dosage is Q
  • E0 represents the theoretical weed survival rate of A+B when the dosage is (P+Q)
  • E represents Actual weed survival for each treatment.
  • X, Y, Z, and N respectively represent the actual survival rate of n single agents, and n is the number of compound herbicide varieties.
  • E0-E>10% it means synergistic effect; when E0-E ⁇ -10%, it means antagonism; when E0-E is between ⁇ 10%, it means there is additive effect.
  • A is biscarbazone
  • B is acetodizone
  • C is quinclorac
  • the main weeds that occur in the field are: chickweed, bovine chickweed, artemisia annua, shepherd's purse and so on.
  • Test method At the 4-5 leaf stage of weeds, the stems and leaves are sprayed, and the amount of water is 450 kg/ha. See Table 2 for the investigation and control effect 21 days after application.
  • the present invention unexpectedly finds that the composition has surprising and unexpected synergistic effects for controlling grasses and broadleaf grasses, and this synergistic effect is better at low doses It can reduce the dosage of the drug and reduce the pollution to the environment, and the reasonable compounding reduces the agricultural cost, and has a good application prospect.

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  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The present invention relates to the field of pesticides, and specifically relates to a ternary herbicidal composition and an application thereof. The ternary herbicidal composition comprises an herbicidal effective amount of active ingredients, namely Ethiozin, Biscarfentrazone, and Quinclorac. The composition can effectively prevent and control various weed problems, and has characteristics such as expanding a weed control spectrum, reducing an application amount, being able to produce a synergistic effect, and eliminating resistant weeds.

Description

一种三元复配除草组合物及其应用A kind of ternary compound herbicidal composition and its application 技术领域technical field
本发明属于农药领域，具体涉及一种三元复配除草组合物及其应用。The invention belongs to the field of pesticides, in particular to a ternary compound herbicidal composition and application thereof.
背景技术Background technique
化学除草是农田杂草防除中最为经济、有效的手段，但长期连续高剂量地使用单一品种或单一作用方式的化学除草剂，容易造成杂草耐药和抗性演化等问题。Chemical weeding is the most economical and effective method for weed control in farmland. However, the long-term continuous and high-dose use of chemical herbicides of a single species or single mode of action is likely to cause problems such as weed resistance and resistance evolution.
除草剂化合物的合理复配或混配具有扩大杂草谱、提高防除效果、延缓杂草耐药性和抗药性的发生与发展等优点，是解决上述问题的最为有效的方法之一。因此生产上亟需开发安全性高、杀草谱广、能够产生增效作用并解决抗性杂草问题的除草组合物品种。The rational compounding or compounding of herbicide compounds has the advantages of expanding the weed spectrum, improving the control effect, delaying the occurrence and development of drug resistance and drug resistance of weeds, etc., and is one of the most effective methods to solve the above problems. Therefore, there is an urgent need to develop herbicidal compositions with high safety, broad herbicidal spectrum, synergistic effects and solving the problem of resistant weeds.
发明内容SUMMARY OF THE INVENTION
为解决现有技术中存在的上述问题，本发明提供一种三元复配除草组合物及其应用。该组合物能有效防除大爪草、繁缕、牛繁缕、播娘蒿、荠菜等杂草问题，具有扩大杀草谱、减少施用量、能够产生增效作用并解决抗性杂草等特点。In order to solve the above problems existing in the prior art, the present invention provides a ternary compound herbicidal composition and its application. The composition can effectively control the problems of weeds such as C. chinensis, chickweed, bovine chickweed, Artemisia annua, shepherd's purse, etc., and has the characteristics of expanding the weed killing spectrum, reducing the application amount, being able to produce synergistic effects and solving resistant weeds and the like. .
一种三元复配除草组合物，包括除草有效量的活性成分乙嗪草酮、双唑草酮和二氯喹啉酸。A ternary compound herbicidal composition comprises herbicidal effective amounts of active components acetodizone, diflufenazone and quinclorac.
其中，所述除草组合物中乙嗪草酮、双唑草酮和二氯喹啉酸的重量比为1～300:1～100:1～500，优选为20～200:1～50:20～300，更优选为40～180:1～20:50～250。Wherein, in the herbicidal composition, the weight ratio of etoxazone, diafenazone and quinclorac is 1～300:1～100:1～500, preferably 20～200:1～50:20～ 300, more preferably 40 to 180:1 to 20:50 to 250.
所述除草组合物中乙嗪草酮、双唑草酮和二氯喹啉酸的质量百分含量占总量的1-95％，优选10-80％。In the herbicidal composition, the mass percentage content of etoxazone, diflufenazone and quinclorac in the total amount is 1-95%, preferably 10-80%.
所述除草组合物中还包含常规助剂，所述常规助剂包括载体和表面活性剂。The herbicidal composition also includes conventional adjuvants including carriers and surfactants.
本文中的术语“载体”表示一种有机或无机、天然或合成的物质。它们有助于活性成分的施用，该载体一般是惰性的且必须是农业上可接受的，特别是被处理的植物所接受。载体可以是固体的，如陶土、天然或合成的硅酸盐、二氧化硅、树脂、蜡、固体肥料等；或者液体的，如水、醇类、酮类、石油馏分、芳烃或蜡烃、氯代烃、液化气等。The term "carrier" as used herein means an organic or inorganic, natural or synthetic substance. They facilitate application of the active ingredient, the carrier being generally inert and must be agriculturally acceptable, especially by the plants being treated. The carrier can be solid, such as clay, natural or synthetic silicates, silica, resins, waxes, solid fertilizers, etc.; or liquid, such as water, alcohols, ketones, petroleum fractions, aromatic or waxy hydrocarbons, chlorine Substitute hydrocarbons, liquefied gas, etc.
表面活性剂可包括乳化剂、分散剂或润湿剂，它可以是离子型或非离子型的。可提及的实例是聚丙烯酸的盐、木质素磺酸盐、苯酚磺酸或萘磺酸的盐、环氧乙烷与脂肪族醇或与脂族酸或与脂肪族胺与取代苯酚(特别是烷基苯酚或芳基苯酚)的聚合物、磺基琥珀酸盐、牛磺酸衍生物(特别是牛磺酸烷脂)及醇的磷酸酯或多羟乙基化的苯酚的磷酸酯、烷基磺酸盐、烷基芳基磺酸盐、烷基硫酸盐、月桂基醚硫酸盐、脂肪醇硫酸盐，以及硫酸化十六-、十七-和十八烷醇以及硫酸化脂肪醇乙二醇醚，此外还有萘或萘磺酸与苯酚和甲醛的缩合物、聚氧 乙烯辛基苯基醚、乙氧基化异辛基酚、辛基酚或壬基酚、烷基苯基聚乙二醇醚、三丁基苯基聚乙二醇醚、三硬脂基苯基聚乙二醇醚、烷基芳基聚醚醇、醇和脂肪醇/氧化乙烯缩合物、乙氧基化蓖麻油、聚氧乙烯烷基醚、乙氧基化聚氧丙烯、月桂醇聚乙二醇醚缩醛、山梨醇酯、木素亚硫酸盐废液，以及蛋白质、变性蛋白、多糖(例如甲基纤维素)、疏水改性淀粉、聚乙烯醇、聚羧酸盐、聚烷氧基化物、聚乙烯胺、聚乙烯吡咯烷酮及其共聚物。至少需要一种表面活性剂存在，以有利于活性成分在水中的分散并有利于使它们能正确地施用于植物。Surfactants may include emulsifying agents, dispersing agents or wetting agents, which may be ionic or non-ionic. Examples which may be mentioned are the salts of polyacrylic acid, lignosulfonate, phenolsulfonic acid or naphthalenesulfonic acid, ethylene oxide with aliphatic alcohols or with aliphatic acids or with aliphatic amines with substituted phenols (particularly polymers of alkylphenols or arylphenols), sulfosuccinates, taurine derivatives (especially taurine alkyl esters) and phosphate esters of alcohols or polyhydroxyethylated phenols, Alkyl sulfonates, alkylaryl sulfonates, alkyl sulfates, lauryl ether sulfates, fatty alcohol sulfates, and sulfated hexadec-, heptadeca-, and octadecanol and sulfated fatty alcohols Glycol ethers, in addition to naphthalene or naphthalenesulfonic acid condensates with phenol and formaldehyde, polyoxyethylene octylphenyl ether, ethoxylated isooctylphenol, octylphenol or nonylphenol, alkylbenzene polyglycol ethers, tributylphenyl polyglycol ethers, tristearylphenyl polyglycol ethers, alkyl aryl polyether alcohols, alcohol and fatty alcohol/ethylene oxide condensates, ethoxy Castor oil, polyoxyethylene alkyl ether, ethoxylated polyoxypropylene, lauryl polyglycol ether acetal, sorbitol ester, lignin sulfite waste liquor, and protein, denatured protein, polysaccharide (such as methylcellulose), hydrophobically modified starch, polyvinyl alcohol, polycarboxylates, polyalkoxylates, polyvinylamine, polyvinylpyrrolidone and their copolymers. At least one surfactant needs to be present in order to facilitate dispersion of the active ingredients in water and to facilitate their proper application to plants.
上述组合物也可含有各种其他的组分，如保护胶体、粘合剂、增稠剂、触变剂、渗透剂、稳定剂、螯合剂、染料、着色剂和聚合物。The above compositions may also contain various other components such as protective colloids, binders, thickeners, thixotropic agents, penetrants, stabilizers, chelating agents, dyes, colorants and polymers.
所述除草组合物进一步包括至少一种安全剂，具体可选自CN101194623A中提及的任何安全剂。The herbicidal composition further comprises at least one safener, which can be specifically selected from any safener mentioned in CN101194623A.
本发明的组合物可以由使用者在使用前经稀释或直接使用。其配制可由通常的加工方法制备，即将活性物质与液体溶剂或固体载体混合后，再加入表面活性剂如分散剂、稳定剂、湿润剂、粘合剂、消泡剂等中的一种或几种。The compositions of the present invention may be diluted or used directly by the user prior to use. Its preparation can be prepared by the usual processing method, that is, after mixing the active substance with a liquid solvent or a solid carrier, and then adding one or more of surfactants such as dispersing agent, stabilizer, wetting agent, adhesive, defoaming agent, etc. kind.
所述除草组合物的具体制剂为可分散油悬浮剂、水悬浮剂、悬乳剂、可湿性粉剂、乳油、水分散粒剂(干悬浮剂)、水乳剂、微乳剂。The specific formulations of the herbicidal composition are dispersible oil suspensions, water suspensions, suspoemulsions, wettable powders, emulsifiable concentrates, water dispersible granules (dry suspensions), water emulsions, and microemulsions.
简而言之，本发明的组合物可以和现有技术的配方中常规使用的固体和液体添加剂混合。随着外部条件的变化，有效成分的使用量也不同，外部条件为，例如温度、湿度、使用的除草剂的性质等等。Briefly, the compositions of the present invention can be mixed with solid and liquid additives conventionally used in prior art formulations. The amount of active ingredient used varies with external conditions, such as temperature, humidity, properties of herbicides used, and the like.
另外，本发明的组合物可通过喷雾的方法被施用于待处理植物叶片上，即施用于杂草，特别是杂草侵扰或易侵扰影响的表面上。In addition, the compositions of the present invention can be applied by spraying to the foliage of the plants to be treated, ie to weeds, especially to surfaces that are infested or susceptible to infestation.
进一步，本发明还提供一种所述除草组合物在防治杂草上的应用，优选地，将所述的除草组合物用于选择性防除有用作物中的杂草；以及提供一种防治杂草生长的方法，其包括将所述除草组合物施用于杂草生长的区域。Further, the present invention also provides an application of the herbicidal composition in controlling weeds, preferably, the herbicidal composition is used for selectively controlling weeds in useful crops; and a kind of controlling weeds is provided. A method of growing comprising applying the herbicidal composition to an area where weeds are growing.
当施用本发明的除草组合物时获得了预料不到的增效效果。增效效果表现为施用量减少、更宽的杂草控制谱、除草作用更快、更持久，这些特性是杂草控制实践过程中所需要的。就所描述的特性来说，这些新组合物明显地优越于现有的除草剂，达到减量使用，对环境更友好。Unexpected synergistic effects are obtained when the herbicidal compositions of the present invention are applied. The synergistic effects are reduced application rates, a wider weed control spectrum, and faster and longer lasting herbicidal action, characteristics that are desirable in weed control practice. In terms of the described properties, these new compositions are clearly superior to existing herbicides, resulting in reduced use and more environmentally friendly.
本发明的增效除草组合物还具有下述优点:The synergistic herbicidal composition of the present invention also has the following advantages:
(1)本发明的组合物为环境友好型，在环境中均易于降解。(1) The composition of the present invention is environmentally friendly and is easily degraded in the environment.
(2)本发明的除草组合物成本低、使用方便，其推广应用有巨大的经济效益和社会效益。(2) The herbicidal composition of the present invention has low cost and convenient use, and its popularization and application have huge economic and social benefits.
具体实施方式Detailed ways
下列实施例并非限制本发明，而只是用来说明本发明是如何实现的。对于某些杂草，这些实施例显示出特别显著的有效性。举例如下：The following examples are not intended to limit the invention, but to illustrate how the invention can be implemented. For certain weeds, these examples show particularly significant effectiveness. An example is as follows:
A)实施例：A) Examples:
19％双唑草酮·乙嗪草酮·二氯喹啉酸(1+10+8)可分散油悬浮剂19% Dispersible Oil Suspension Agent of Bicarbazone·Ethoxazone·Quinclorac (1+10+8)
1％双唑草酮+10％乙嗪草酮+8％二氯喹啉酸+5％十二烷基苯磺酸钙+6％脂肪醇聚氧乙烯醚+5％蓖麻油聚氧乙烯醚+2％油溶性聚羧酸盐分散剂+10％200#溶剂油+1.5％有机膨润土+1％气相法白炭黑+10％豆油+油酸甲酯补足1% biscarbazone+10% ethoxymethylene+8% quinclorac+5% calcium dodecylbenzenesulfonate+6% fatty alcohol polyoxyethylene ether+5% castor oil polyoxyethylene ether+ 2% oil-soluble polycarboxylate dispersant + 10% 200# solvent oil + 1.5% organic bentonite + 1% fumed silica + 10% soybean oil + methyl oleate supplement
上述可分散油悬浮剂加工设备：混料釜、胶体磨、砂磨机、剪切机等。The above-mentioned dispersible oil suspension agent processing equipment: mixing kettle, colloid mill, sand mill, shearing machine, etc.
上述可分散油悬浮剂加工过程：将所有物料投入混料釜中，搅拌混合后过胶体磨，之后进入砂磨机三级砂磨，最后在剪切机中剪切均匀，化验合格后，转移至储罐灌装。The above-mentioned dispersible oil suspension agent processing process: put all the materials into the mixing kettle, stir and mix, pass through a colloid mill, then enter the third-stage sand mill in a sand mill, and finally shear evenly in a shearing machine. After passing the test, transfer it. to tank filling.
B)药效试验：B) Efficacy test:
1)、试验方法1), test method
所需活性成分其他由试剂公司购买。原药均采用丙酮作溶剂，用含量0.1％乳化剂吐温-80水溶液稀释，现用现稀释。采用盆栽法培养杂草，待杂草处于4-5叶期时，采用茎叶喷雾均匀喷雾，喷液量按450公斤/公顷计，处理后移入温室常规培养21天。The other active ingredients required are purchased by the reagent company. The original medicines were all made of acetone as solvent, diluted with 0.1% emulsifier Tween-80 aqueous solution, and diluted with current use. Weeds were cultivated in pots. When the weeds were at the 4-5 leaf stage, the stems and leaves were sprayed evenly, and the spray volume was 450 kg/ha.
2)、数据调查与统计分析2), data investigation and statistical analysis
采用绝对数调查法，用刀片沿土壤表面切断存活杂草整株幼苗，用分析天平称量杂草鲜重。对于已经死亡的杂草，按鲜重为零计。Using the absolute number investigation method, the whole seedlings of surviving weeds were cut off along the soil surface with a blade, and the fresh weight of the weeds was weighed with an analytical balance. For dead weeds, the fresh weight is zero.
用Colby法检验，评价任意两者及三者混用对杂草的联合作用类型。Colby's test was used to evaluate the types of combined effects of any two or three combinations on weeds.
15d时剪取各处理地上绿色组织，采用电子天平称重，计算实际存活率：E(％)＝(处理区杂草鲜重/对照区杂草鲜重)×100On the 15th day, the green tissues on the ground of each treatment were cut and weighed by an electronic balance to calculate the actual survival rate: E (%) = (fresh weight of weeds in the treatment area/fresh weight of weeds in the control area) × 100
理论杂草存活率计算公式为：E0(％)＝X×Y/100(二元混用)The calculation formula of theoretical weed survival rate is: E0(%)=X×Y/100 (binary mixed use)
式中X代表用量为P时A的杂草存活率，Y代表用量为Q时B的杂草存活率，E0代表用量为(P+Q)时A+B的理论杂草存活率，E代表各处理的实际杂草存活率。In the formula, X represents the weed survival rate of A when the dosage is P, Y represents the weed survival rate of B when the dosage is Q, E0 represents the theoretical weed survival rate of A+B when the dosage is (P+Q), and E represents Actual weed survival for each treatment.
E0(％)＝X×Y×Z×…×N/100 (n-1)(三元及以上混用) E0(%)=X×Y×Z×…×N/100 (n-1) (mixed with ternary and above)
式中X、Y、Z、N分别代表n种单剂的实际存活率，n为复配除草剂品种数量。In the formula, X, Y, Z, and N respectively represent the actual survival rate of n single agents, and n is the number of compound herbicide varieties.
当E0-E>10％时，说明产生增效作用；当E0-E<-10％时，说明产生拮抗作用；当E0-E介于±10％时，说明产生相加作用。When E0-E>10%, it means synergistic effect; when E0-E<-10%, it means antagonism; when E0-E is between ±10%, it means there is additive effect.
表1A、B与C混配对大爪草的实际防效及联合作用评价(Colby法)Table 1A, B and C mixtures on the actual control effect and combined effect evaluation of C. chinensis (Colby method)
Figure PCTCN2020137075-appb-000001
Figure PCTCN2020137075-appb-000001
Figure PCTCN2020137075-appb-000002
Figure PCTCN2020137075-appb-000002
注：A为双唑草酮，B为乙嗪草酮，C为二氯喹啉酸Note: A is biscarbazone, B is acetodizone, C is quinclorac
E(A)：在给定剂量下，组分A处理的实测鲜重存活率E(A): Measured fresh weight survival rate of fraction A treatment at a given dose
E(B)：在给定剂量下，组分B处理的实测鲜重存活率E(B): Measured fresh weight survival rate of fraction B treatment at a given dose
E(C)：在给定剂量下，组分C处理的实测鲜重存活率E(C): Measured fresh weight survival rate of fraction C treatment at a given dose
E(A+B+C)：在给定剂量下，组分A、B、C三元混用的实测鲜重存活率E(A+B+C): At a given dose, the measured fresh weight survival rate of components A, B, and C ternary mixed
E 0(A+B+C)：在给定剂量下，组分A、B、C三元混用的理论鲜重存活率 E 0 (A+B+C): Under a given dose, the theoretical fresh weight survival rate of the ternary mixture of components A, B and C
C)大田示范C) Daejeon Demonstration
利用上述实施例制得的除草剂组合物进行田间杂草效果试验。Field weed effect test was carried out using the herbicidal compositions prepared in the above examples.
田间发生的杂草主要有：繁缕、牛繁缕、播娘蒿、荠菜等。The main weeds that occur in the field are: chickweed, bovine chickweed, artemisia annua, shepherd's purse and so on.
试验方法：于杂草4-5叶期，采用茎叶喷雾，兑水量450公斤/公顷。施药后21天调查防除效果见表2。Test method: At the 4-5 leaf stage of weeds, the stems and leaves are sprayed, and the amount of water is 450 kg/ha. See Table 2 for the investigation and control effect 21 days after application.
表2 所述复配组合物的大田示范效果情况Field demonstration effect of the compound composition described in Table 2
Figure PCTCN2020137075-appb-000003
Figure PCTCN2020137075-appb-000003
经过大量试验和探索，本发明意外地发现，所述组合物用于防除禾本科和阔叶草等具有令人惊讶的、意想不到的增效作用，这种增效作用在低剂量下表现更为显著，可降低用药量，降低对环境的污染，且合理复配降低了农用成本，具有很好的应用前景。After a lot of tests and explorations, the present invention unexpectedly finds that the composition has surprising and unexpected synergistic effects for controlling grasses and broadleaf grasses, and this synergistic effect is better at low doses It can reduce the dosage of the drug and reduce the pollution to the environment, and the reasonable compounding reduces the agricultural cost, and has a good application prospect.

Claims (10)

  1. 一种三元复配除草组合物，其特征在于，包括除草有效量的活性成分乙嗪草酮、双唑草酮和二氯喹啉酸。A ternary compound herbicidal composition is characterized in that it comprises the active ingredients of acetoflumone, diflufenazone and quinclorac in herbicidal effective amounts.
  2. 根据权利要求1所述的一种除草组合物，其特征在于，所述除草组合物中乙嗪草酮、双唑草酮和二氯喹啉酸的重量比为1～300:1～100:1～500，优选为20～200:1～50:20～300，更优选为40～180:1～20:50～250。A kind of herbicidal composition according to claim 1, is characterized in that, in the described herbicidal composition, the weight ratio of ethazone, diafenazone and quinclorac is 1～300:1～100:1 ~500, preferably 20~200:1~50:20~300, more preferably 40~180:1~20:50~250.
  3. 根据权利要求1或2所述的一种除草组合物，其特征在于，所述除草组合物中乙嗪草酮、双唑草酮和二氯喹啉酸的质量百分含量占总量的1-95％，优选10-80％。A kind of herbicidal composition according to claim 1 or 2, is characterized in that, in the described herbicidal composition, the mass percentages of etoxazone, diafenazone and quinclorac account for 1- 95%, preferably 10-80%.
  4. 根据权利要求1或2所述的一种除草组合物，其特征在于，所述除草组合物中还包括常规助剂。The herbicidal composition according to claim 1 or 2, characterized in that, the herbicidal composition further comprises conventional adjuvants.
  5. 根据权利要求4所述的一种除草组合物，其特征在于，所述常规助剂包括载体和表面活性剂。A herbicidal composition according to claim 4, wherein the conventional adjuvant comprises a carrier and a surfactant.
  6. 根据权利要求1或2所述的一种除草组合物，其特征在于，所述除草组合物进一步包括至少一种安全剂。A herbicidal composition according to claim 1 or 2, characterized in that the herbicidal composition further comprises at least one safener.
  7. 根据权利要求1或2所述的一种除草组合物，其特征在于，所述除草组合物的具体制剂为可分散油悬浮剂、水悬浮剂、悬乳剂、可湿性粉剂、乳油、水分散粒剂、水乳剂或微乳剂。A herbicidal composition according to claim 1 or 2, wherein the specific formulation of the herbicidal composition is a dispersible oil suspension, an aqueous suspension, a suspoemulsion, a wettable powder, an emulsifiable concentrate, a water dispersible granule formulations, aqueous emulsions or microemulsions.
  8. 如权利要求1-7任意一项所述的除草组合物在防治杂草上的应用。Application of the herbicidal composition according to any one of claims 1 to 7 in controlling weeds.
  9. 根据权利要求8所述的应用，其特征在于，将所述的除草组合物用于选择性防除作物中的杂草。The application according to claim 8, wherein the herbicidal composition is used for selectively controlling weeds in crops.
  10. 一种防治杂草生长的方法，其包括将权利要求1-7任意一项所述的除草组合物施用于杂草生长的区域。A method for controlling the growth of weeds, comprising applying the herbicidal composition of any one of claims 1 to 7 to an area where weeds grow.
PCT/CN2020/137075 2020-12-17 2020-12-17 Ternary herbicidal composition and application thereof WO2022126466A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105052982A (en) * 2015-07-24 2015-11-18 安徽省圣丹生物化工有限公司 Composite herbicide for eliminating barnyard grass
CN107646848A (en) * 2017-11-09 2018-02-02 青岛清原化合物有限公司 A kind of Herbicidal combinations of humulone containing polybenzobisoxazole and its application
CN108077312A (en) * 2017-12-29 2018-05-29 定远县润泰化工有限责任公司 A kind of heat-resisting antiultraviolet agricultural desinsection composite material
CN109042675A (en) * 2018-07-21 2018-12-21 青岛清原化合物有限公司 Ternary weeding composition and its application comprising HPPD inhibitor class herbicide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105052982A (en) * 2015-07-24 2015-11-18 安徽省圣丹生物化工有限公司 Composite herbicide for eliminating barnyard grass
CN107646848A (en) * 2017-11-09 2018-02-02 青岛清原化合物有限公司 A kind of Herbicidal combinations of humulone containing polybenzobisoxazole and its application
CN108077312A (en) * 2017-12-29 2018-05-29 定远县润泰化工有限责任公司 A kind of heat-resisting antiultraviolet agricultural desinsection composite material
CN109042675A (en) * 2018-07-21 2018-12-21 青岛清原化合物有限公司 Ternary weeding composition and its application comprising HPPD inhibitor class herbicide

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