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WO2022227315A1 - 一种含假蒟亭碱的复配除草组合物及其应用 - Google Patents

一种含假蒟亭碱的复配除草组合物及其应用 Download PDF

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Publication number
WO2022227315A1
WO2022227315A1 PCT/CN2021/109462 CN2021109462W WO2022227315A1 WO 2022227315 A1 WO2022227315 A1 WO 2022227315A1 CN 2021109462 W CN2021109462 W CN 2021109462W WO 2022227315 A1 WO2022227315 A1 WO 2022227315A1
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Prior art keywords
pseudokontinine
chlorfenapyr
herbicide
herbicidal composition
sarmentine
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PCT/CN2021/109462
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English (en)
French (fr)
Inventor
冯岗
王敬茹
张静
叶火春
辜柳霜
朱发娣
闫超
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中国热带农业科学院环境与植物保护研究所
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Priority to AU2021236588A priority Critical patent/AU2021236588B2/en
Publication of WO2022227315A1 publication Critical patent/WO2022227315A1/zh

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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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof

Definitions

  • the invention belongs to the technical field of pesticides, and in particular relates to a compound herbicidal composition containing pseudokontinine and its application.
  • Pseudokontinine is an environmentally friendly, broad-spectrum, contact herbicide that interferes with photosynthesis by competing for the binding site of plastoquinone, inhibiting photosystem II (PSII), and inhibiting enoyl-ACP reductase. (ENR) activity to interfere with fatty acid synthesis, resulting in loss of plant membrane integrity and ultimately plant death.
  • Pseudokontinine can control annual or perennial dicotyledonous and grass weeds, but it has poor control effect on Cyperaceae drug-resistant weeds such as Cyperus aconite.
  • Patent CN105072901A herbicidal composition and method of use provide a method for selectively controlling or altering the growth of bluegrass in cool-season turfgrass without causing significant damage to the turfgrass using a composition comprising pseudokontinine and/or its analogs. method of injury. It controls the Poaceae weed Poa annua, and has not disclosed the control effect on Cyperaceae weeds.
  • the purpose of the present invention is to provide a compound herbicidal composition containing pseudokontinine and its application.
  • the scheme of the present invention includes the following contents:
  • a compound herbicidal composition containing pseudokontinine comprises pseudokontinine and chloroformil in a weight ratio of 1:2 to 8:1.
  • the weight ratio of the pseudokontinine to chloroformamide is 8:1 to 8:4, and this ratio is the best for the control effect of Cyperus officinalis.
  • the weight ratio of the pseudokontinine to chloroformamide is 1:1, and this ratio is the best for the control effect of barnyardgrass.
  • the present invention also provides a herbicide containing the compound herbicidal composition, wherein the total mass content of pseudokontinine and chloramphenicol in the herbicide is 10-80%.
  • the herbicides described in the present invention can be made into a variety of common pesticide formulations, such as water dispersible granules, wettable powders, and suspending agents, by conventional methods with adjuvants.
  • the formulation of the herbicide is water-dispersible granules
  • the water-dispersible granules include the following components by weight: 8-75% of pseudokontinine, 3-15% of chlorfenapyr, wetting agent 2-3%, dispersant 3-7%, disintegrant 5-6%, binder 0-1%, defoamer 0.2-0.5%, and the balance is carrier.
  • the formulation of the herbicide is a wettable powder
  • the wettable powder includes the following components by weight: 8-50% of pseudokontinine, 1-24% of chloroform, and 2-24% of wetting agent. 3%, dispersant 6-8%, defoamer 0.2-0.8%, the balance is carrier;
  • the formulation of the herbicide is an aqueous suspension
  • the aqueous suspension includes the following components by weight: 10-15% of pseudokontinine, 2-5% of chloroformil, and 2% of wetting agent. , 5 to 7% of dispersant, 5% of antifreeze, 0.4 to 0.5% of thickener, 0.5% of preservative, 0.2 to 0.5% of defoamer, and the balance is water.
  • the formulation oil suspension agent of the herbicide comprises the following components by weight: 5-33% of pseudokontinine, 5-11% of chlorfenapyr, 0-8% of emulsifier , 2-8% of wetting agent, 2-7% of dispersant, 2-4% of stabilizer, 0.2-0.5% of defoamer, and the balance is solvent.
  • emulsifier includes but is not limited to EO-PO block copolymer, dodecylbenzene sulfonate, nonylphenol polyoxyethylene ether phosphate sodium salt, Tween series, Span series, castor oil phosphate Series, Nongru No. 600, Nongru No. 700, Nonylphenol Polyoxyethylene Sulfate Triethanolammonium Salt, Alkylphenol Polyoxyethylene Ether APEO, Nonylphenol Polyoxyethylene Ether Phosphate, Nonylphenol Polyoxyethylene One or more of ethers;
  • Described wetting agent includes but is not limited to sodium lauryl sulfate, sodium dodecylbenzenesulfonate, sodium petroleum sulfonate, mixed alcohol polyoxyethylene ether, saponin powder, fatty alcohol sulfate, silkworm sand, low viscosity
  • sodium lauryl sulfate sodium dodecylbenzenesulfonate
  • sodium petroleum sulfonate mixed alcohol polyoxyethylene ether
  • saponin powder saponin powder
  • fatty alcohol sulfate silkworm sand
  • low viscosity One or more of methyl cellulose, pull open powder, alkyl sulfate, GY-W04 (Beijing Guangyuan Yinong Chemical Co., Ltd.);
  • the dispersants include but are not limited to naphthalenesulfonic acid formaldehyde condensate, lignosulfonate, sodium methylenebisnaphthalenesulfonate, octylphenol polyoxyethylene ether sulfate, alkylphenol polyoxyethylene ether, Fatty amine polyoxyethylene ether, arylphenol polyoxyethylene succinate sulfonate, alkylnaphthalene sulfonate, alkylbenzene sulfonate, polycarboxylate, alkenyl sulfonate, fatty acid polyoxyethylene Ether, alkyl aryl polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, GY-D10 (Beijing Guangyuan Yinong Chemical Co., Ltd.), GY-D800 ( One or more of Beijing Guangyuan Yinong
  • Described binder includes but not limited to one or more in polyvinyl alcohol, methyl cellulose, vinyl pyrrolidone, sucrose, starch or soluble starch;
  • Described disintegrant includes but is not limited to one or more in sodium carbonate, sodium bicarbonate, ammonium sulfate, sodium carboxymethyl cellulose, glucose, urea or aluminum chloride;
  • the defoamer includes but is not limited to one of polyethers, polysiloxanes, silicones, silicone defoamers, higher alcohols, capric acid, silicone oil, and tributyl phosphate. several;
  • the carrier includes, but is not limited to, one or more of bentonite, diatomaceous earth, light calcium carbonate, kaolin, attapulgite or silica.
  • the preservatives include, but are not limited to, one or more of sodium benzoate, potassium sorbate, and isothiazolinones.
  • the antifreeze agent includes but is not limited to one or more of glycerol, ethylene glycol, propylene glycol, polyethylene glycol, and isopropanol.
  • the thickeners include but are not limited to xanthan gum, aluminum magnesium silicate, modified bentonite, alginate, carboxymethyl cellulose, hydroxypropyl cellulose, sodium polyacrylate, polyacrylic acid amine or polyvinylpyrrolidone one or more of them.
  • the stabilizer includes, but is not limited to, one or more of organic acids, organic bases, esters, alcohols, organic bentonite, tall oil, attapulgite, silica, epichlorohydrin or urea.
  • the solvent includes, but is not limited to, one or more of methyl oleate, soybean oil, corn oil, tea oil, rapeseed oil, vegetable oil esters or mineral oil.
  • the present invention also provides the application of the herbicidal composition in controlling weeds
  • the weeds include Cyperaceae and Poaceae.
  • the Cyperaceae plants include weeds such as drug-resistant Cyperus officinalis, Heteromorpha sedge, Cowfelt and the like.
  • the grasses include weeds such as barnyardgrass and saxifrage.
  • the EO-PO block copolymer described in the embodiment of the present invention is a polymer surfactant, which usually uses a compound containing active hydrogen such as propylene glycol as a starting agent. Under the catalysis of alkali, polypropylene oxide (PO ) and ethylene oxide (EO). Commercially available products are used in the examples of the present invention.
  • Example 1 15% Pseudokontinine ⁇ Chlorocarboxamide water dispersible granules (4:1)
  • the water-dispersible granules of pseudokontinine ⁇ chlorfenapyr herbicidal composition comprising the following components in weight percentage: pseudokontinine 12%, chlorfenacil 3%, sodium lauryl sulfate 2%, Alkyl naphthalene sulfonate 7%, sodium carbonate 6%, methyl cellulose 1%, silicone antifoaming agent 0.3%, and the balance is kaolin.
  • Water-dispersible granules are prepared by conventional methods.
  • Example 2 33% pseudokontinine ⁇ chlorfenapyr herbicidal composition water dispersible granules (8:3)
  • Aqueous dispersible granules of pseudokontinine ⁇ chlorfenapyr herbicidal composition comprising the following components in weight percentage: pseudokontinine 24%, chlorfenapyr 9%, sodium lauryl sulfate 3%, naphthalene sulfonate 7% of acid formaldehyde condensate, 5% of sodium bicarbonate, 1% of methyl cellulose, 0.2% of polyether defoamer, and the balance of kaolin, and prepared into water-dispersible granules according to conventional methods.
  • Example 3 45% pseudokontinine ⁇ chlorfenapyr herbicidal composition water dispersible granules (4:1)
  • Aqueous dispersible granules of pseudokontinine ⁇ chlorfenapyr herbicidal composition comprising the following components by weight: 36% pseudokontinine, 9% chlorfenapyr, sodium dodecylbenzenesulfonate 2% %, naphthalenesulfonic acid formaldehyde condensate 7%, sodium bicarbonate 5%, methyl cellulose 1%, polyether defoamer 0.2%, and the balance is light calcium carbonate.
  • Water-dispersible granules are prepared by conventional methods.
  • Example 4 60% pseudokontinine ⁇ chlorfenapyr herbicidal composition water dispersible granules (3:1)
  • the water-dispersible granules of pseudokontinine and chlorfenapyr herbicidal composition comprising the following components by weight percentage: 45% pseudokontinine, 15% chlorfenapyr, 2% mixed alcohol polyoxyethylene ether, 7% of lignosulfonate, 5% of ammonium sulfate, 1% of soluble starch, 0.3% of high-carbon alcohol defoamer, and the balance of bentonite.
  • Water-dispersible granules are prepared by conventional methods.
  • Example 5 80% Pseudokontinine ⁇ Chlorfenapyr herbicidal composition water dispersible granules (15:1)
  • the water-dispersible granules of pseudokontinine and chlorfenapyr herbicidal composition comprising the following components by weight: 75% of pseudokontinine, 5% of chlorfenapyr, 2% of mixed alcohol polyoxyethylene ether, Naphthalenesulfonic acid formaldehyde condensate 7%, sodium bicarbonate 5%, methyl cellulose 1%, silicone antifoaming agent 0.5%, and the balance is kaolin.
  • Water-dispersible granules are prepared by conventional methods.
  • Example 6 64% pseudokontinine ⁇ chlorfenapyr water dispersible granules (7:1)
  • Aqueous dispersible granules of pseudokontinine ⁇ chlorfenapyr comprising the following components by weight percentage: pseudokontinine 56%, chlorfenapyr 8%, sodium dodecylbenzenesulfonate 3%, alkane 7% of naphthalene sulfonate, 5% of sodium carbonate, 1% of methyl cellulose, 0.5% of silicone defoamer, and the balance of bentonite.
  • Water-dispersible granules are prepared by conventional methods.
  • Example 7 11% Pseudokontinine ⁇ Chlorfenapyr wettable powder (8:3)
  • Pseudokontinine ⁇ chlorfenapyr wettable powder including the following components in weight percentage: pseudokontinine 8%, chlorofenacil 3%, sodium dodecylbenzenesulfonate 2%, fatty amine 7% of polyoxyethylene ether, 0.2% of silicone defoamer, and the balance of diatomaceous earth. Wettable powders are prepared by conventional methods.
  • Example 8 20% pseudokontinine ⁇ chlorfenapyr wettable powder (19:1)
  • Pseudokontinine and chlorfenapyr wettable powder including the following components by weight: 19% pseudokontinine, 1% chlorofenacil, 2% low-viscosity methylcellulose, fatty amine polyoxygen 7% of vinyl ether, 0.3% of organosilicon defoamer, and the balance of kaolin, prepared as a wettable powder according to a conventional method.
  • Example 9 42% pseudokontinine ⁇ chlorfenapyr wettable powder (6:1)
  • Pseudokontinine and chlorfenapyr wettable powder comprising the following components by weight: 36% pseudokontinine, 6% chlorfenapyr, 3% sodium lauryl sulfate, naphthalenesulfonic acid formaldehyde condensate 7%, high-carbon alcohol defoamer 0.3%, and the balance is light calcium carbonate, which is made into wettable powder according to the conventional method.
  • Example 10 55% pseudokontinine ⁇ chlorfenapyr wettable powder (3:2)
  • Pseudokontinine and chlorfenapyr wettable powder including the following components by weight: 33% pseudokontinine, 22% chlorfenapyr, 2% mixed alcohol polyoxyethylene ether, and alkylnaphthalene sulfonate 7% of acid salt, 0.2% of polyether defoamer, and the balance of bentonite, which is made into a wettable powder according to a conventional method.
  • Example 11 63% pseudokontinine ⁇ chlorfenapyr wettable powder (2:1)
  • Pseudokontinine and chloramphenicol wettable powder including the following components by weight: pseudokontinine 42%, chloramphenicol 21%, sodium lauryl sulfate 3%, lignosulfonate 8 %, 0.3% of polysiloxane antifoaming agent, the balance is kaolin, and it is made into wettable powder according to the conventional method.
  • Example 12 70% pseudokontinine ⁇ chlorfenapyr wettable powder (5:2)
  • Pseudokontinine ⁇ chlorfenapyr wettable powder including the following components by weight: pseudokontinine 50%, chlorfenapyr 20%, GY-W04 3%, GY-D10 6%, silicon
  • the ketone defoamer is 0.3%, the balance is kaolin, and the wettable powder is prepared according to the conventional method.
  • Example 13 80% pseudokontinine ⁇ chlorfenapyr wettable powder (3:2)
  • Pseudokontinine and chlorfenapyr wettable powder including the following components by weight: 48% pseudokontinine, 32% chlorfenapyr, 3% pulling powder, 8% lignosulfonate , 0.8% of polyether defoamer, bentonite to 100%, and made into wettable powder according to conventional methods.
  • Example 14 12% pseudokontinine ⁇ chlorfenapyr aqueous suspension (5:1)
  • Aqueous suspension of pseudokontinine ⁇ chlorfenapyr herbicidal composition comprising the following components by weight: 10% pseudokontinine, 2% chlorfenapyr, 2% alkyl sulfate, polycarboxylic acid Salt 5%, polysiloxane defoamer 0.2%, potassium sorbate 0.5%, propylene glycol 5%, xanthan gum 0.4%, and the balance is water.
  • Aqueous suspensions are prepared according to conventional methods.
  • Example 15 20% pseudokontinine ⁇ chlorfenapyr aqueous suspension (3:1)
  • the pseudokontinine ⁇ chlorfenapyr aqueous suspension includes the following components in weight percentage: pseudokontinine 15%, chlorfenapyr 5%, EO-PO block copolymer 2%, alkylbenzenesulfonic acid Acid 7%, polysiloxane defoamer 0.5%, sodium benzoate 0.5%, ethylene glycol 5%, aluminum magnesium silicate 0.5%, and the balance is water.
  • Aqueous suspensions are prepared according to conventional methods.
  • Example 16 10% pseudokontinine ⁇ chlorfenapyr oil suspension (1:1)
  • Pseudokontinine ⁇ chlorfenapyr oil suspension agent comprising the following components in weight percentage: pseudokontinine 5%, chlorfenapyr 5%, EO-PO block copolymer 2%, nonylphenol 8% of polyoxyethylene ether phosphate sodium salt, 3% of alkylbenzene sulfonates, 2% of organic bentonite, 0.2% of capric acid, and the balance of methyl oleate, which is made into an oil suspension agent according to a conventional method.
  • Pseudo-Kontinine ⁇ Chloroclopramide oil suspension includes the following components in weight percentage: Pseudo-Kontinine 33%, Chloroclopramide 11%, Fatty Alcohol Sulfate 2%, Dodecylbenzene Sulfonic Acid Sodium 8%, alkenyl sulfonates 2%, organic bentonite 4%, silicone oil 0.5%, the balance is soybean oil, and the oil suspension agent is prepared according to the conventional method.
  • Target weeds Cyperus rotundus (Cyperus rotundus L.), barnyardgrass (Echinochloa crusgalli (L.) Beauv)
  • Determination method Under the condition of greenhouse (25 ⁇ 30°C), the experiment was carried out by indoor potting method. Evenly sprinkle the soaked target weed seeds into flowerpots, cover with soil, replenish water regularly, maintain soil moisture, and cultivate in a greenhouse. The stems and leaves of the target weeds were sprayed at the 3-4 leaf stage and barnyardgrass at the 2-3 leaf stage.
  • X is the fresh weight inhibition rate of herbicide A to target weeds
  • Y is the fresh weight inhibition rate of herbicide B to target weeds
  • E 0 is the theoretical value of the inhibition rate of the target weed fresh weight after a single dose of A and B is compounded;
  • E is the measured value of the inhibition rate of the target weed fresh weight after a single dose of A and B is compounded.
  • Evaluation standard when E-E 0 >10%, it is expressed as synergistic effect, when -10% ⁇ EE 0 ⁇ 10%, expressed as additive effect, when EE 0 ⁇ -10%, expressed as antagonistic effect.
  • Control objects Common weeds occurring in the field, Cyperus rotundus L., Cyperus difformis L., Echinochloa crusgalli (L.) Beauv, Chloris virgata Sw.
  • Test chemicals pseudokontin alkali wettable powder (1200g/ha), chloroformamide wettable powder (500g/ha), water dispersible granules of the herbicidal compositions of Examples 1-3, 5 (1200g/ha), Examples 8, 9, 11, 13 Wettable powder of herbicidal composition (1200g/ha), Example 15 Herbicidal composition Aqueous suspending agent (1200g/ha), Example 16 Herbicidal composition oil suspending agent (1200g/ha) ;
  • each plot was 20 m 2 , the weeds were sprayed at the 3-4 leaf stage, and the stems and leaves were sprayed evenly with water.
  • the number of plants of four kinds of weeds namely Cymbidium officinale, sedge, barnyardgrass, and saxifrage, were counted respectively, and the plant numbers of the above four kinds of weeds were counted respectively 14 days after spraying.
  • the prevention effect is calculated according to the following formula:
  • Control effect (%) 1 - (number of weeds after application ⁇ number of weeds before application) ⁇ 100%
  • composition of the present invention is reasonable, the control effect is better than the single agent of each component used alone, has the advantages of delaying weed resistance, expanding the herbicidal spectrum, and has good safety to crops, and is in line with high efficiency, safety and high selection. Policy guidelines for the application of pesticides.

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Abstract

公开了一种含假蒟亭碱的复配除草组合物及其应用，该组合物包括重量比(1：2)～(8：1)的假蒟亭碱和氯甲酰草胺；假蒟亭碱是一种植物源除草剂，低毒且对环境友好，并且假蒟亭碱与氯甲酰草胺复配具有增效作用，二者复配弥补了氯甲酰草胺对禾本科杂草、假蒟亭碱对莎草科杂草防治效果差的不足，延缓杂草抗性，防效高，除草谱广; 假蒟亭碱和氯甲酰草胺复配使用，除草效果要强于假蒟亭碱或氯甲酰草胺单独使用，减少了除草剂的使用量，从而降低了农药对环境的不利影响。

Description

一种含假蒟亭碱的复配除草组合物及其应用 技术领域
本发明属于农药技术领域，具体涉及一种含假蒟亭碱的复配除草组合物及其应用。
背景技术
杂草与农作物竞争养分、水分和光照影响农作物的生产，如果不予以控制，会导致农作物的减产。当前，农业杂草防治通常采用化学药剂防治。化学除草剂防治已成为农作物生产中最可靠，最便宜的控制杂草的方法，然而，长期不合理大量使用单一化学除草剂，导致了杂草抗药水平上升，除草剂使用剂量也越来越大，同时对环境、土壤产生不利的影响。
假蒟亭碱是一种环境友好、广谱、触杀型除草剂，其通过竞争质体醌的结合位点，抑制光系统II(PSII)，来干扰光合作用，并通过抑制烯酰ACP还原酶(ENR)活性来干扰脂肪酸合成，从而使植物丧失质膜完整性，最终导致植物死亡。假蒟亭碱可防除一年生或多年生双子叶及禾本科杂草，但其对香附子等莎草科耐药型杂草防治效果较差。专利CN105072901A除草组合物及其使用方法提供了一种利用包含假蒟亭碱和/或其类似物的组合物选择性控制或改变冷季型草坪草中的早熟禾生长而不对该草坪草造成显著伤害的方法。其防治的是禾本科杂草早熟禾，未公开对莎草科杂草的防治效果。
目前关于假蒟亭碱复配组合物的相关研究较少，尚无假蒟亭碱与其他药物复配防治莎草科耐药型杂草的相关报道。
发明内容
鉴于现有技术的不足，为了解决上述问题，本发明的目的在于提供一种含假蒟亭碱的复配除草组合物及其应用。
本发明方案包括以下内容：
一种含假蒟亭碱的复配除草组合物，包括重量比1：2～8：1假蒟亭碱与氯甲酰草胺。
优选的，所述假蒟亭碱与氯甲酰草胺的重量比为8:1～8:4，该配比对于香附子的防治效果最佳。
优选的，所述假蒟亭碱与氯甲酰草胺的重量比为1:1，该配比对于稗草的防治效果最佳。
本发明还提供含有所述复配除草组合物的除草剂，其中假蒟亭碱与氯甲酰草胺在除草剂中的总质量含量是10～80％。
本发明所述的除草剂可以与助剂按常规方法制成多种常见农药剂型，例如水分散粒剂、可湿性粉剂、悬浮剂。
优选的，所述除草剂的剂型为水分散粒剂，所述水分散粒剂包括以下重量百分比的成分： 假蒟亭碱8～75％、氯甲酰草胺3～15％、润湿剂2～3％、分散剂3～7％、崩解剂5～6％、粘结剂0％～1％、消泡剂0.2～0.5％，余量为载体。
优选的，所述除草剂的剂型为可湿性粉剂，所述可湿性粉剂包括以下重量百分比的成分：假蒟亭碱8～50％、氯甲酰草胺1～24％、润湿剂2～3％、分散剂6～8％、消泡剂0.2～0.8％，余量为载体；
优选的，所述除草剂的剂型为水悬浮剂，所述水悬浮剂包括以下重量百分比的成分：假蒟亭碱10～15％、氯甲酰草胺2～5％、润湿剂2％、分散剂5～7％、抗冻剂5％、增稠剂0.4～0.5％、防腐剂0.5％、消泡剂0.2～0.5％，余量为水。
优选的，所述除草剂的剂型油悬浮剂，所述油悬浮剂包括以下重量百分比的成分：假蒟亭碱5～33％、氯甲酰草胺5～11％、乳化剂0～8％、润湿剂2～8％、分散剂2～7％、稳定剂2～4％、消泡剂0.2～0.5％，余量为溶剂。
所述的乳化剂包括但不限于EO-PO嵌段共聚物、十二烷基苯磺酸盐、壬基酚聚氧乙烯醚磷酸酯钠盐、吐温系列、司盘系列、蓖麻油磷酸酯系列、农乳600号、农乳700号、壬基酚聚氧乙烯醚硫酸三乙醇铵盐、烷基酚聚氧乙烯醚APEO、壬基酚聚氧乙烯醚磷酸酯、壬基酚聚氧乙烯醚中的一种或几种；
所述的润湿剂包括但不限于月桂醇硫酸钠、十二烷基苯磺酸钠、石油磺酸钠、混合醇聚氧乙烯醚、皂角粉、脂肪醇硫酸盐、蚕沙、低黏度甲基纤维素、拉开粉、烷基硫酸盐、GY-W04(北京广源益农化学有限责任公司)中的一种或几种；
所述的分散剂包括但不限于萘磺酸甲醛缩合物、木质素磺酸盐、亚甲基双萘磺酸钠、辛基酚聚氧乙烯基醚硫酸盐、烷基酚聚氧乙烯醚、脂肪胺聚氧乙烯醚、芳基酚聚氧乙烯丁二酸酯磺酸盐、烷基萘磺酸盐、烷基苯磺酸盐、聚羧酸盐、烯基磺酸盐、脂肪酸聚氧乙烯醚、烷基芳基聚氧乙烯醚、脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚甲醛缩合物硫酸盐、GY-D10(北京广源益农化学有限责任公司)、GY-D800(北京广源益农化学有限责任公司)中的一种或几种；
所述的粘结剂包括但不限于聚乙烯醇、甲基纤维素、乙烯吡咯烷酮、蔗糖、淀粉或可溶性淀粉中的一种或几种；
所述的崩解剂包括但不限于碳酸钠、碳酸氢钠、硫酸铵、羧甲基纤维素钠、葡萄糖、尿素或氯化铝中的一种或几种；
所述的消泡剂包括但不限于聚醚类、聚硅氧烷类、硅酮类、有机硅类消泡剂、高碳醇类、癸酸、硅油、磷酸三丁酯中的一种或几种；
所述的载体包括但不限于膨润土、硅藻土、轻质碳酸钙、高岭土、凹凸棒土或白炭黑中的一种或几种。
所述的防腐剂包括但不限于苯甲酸钠、山梨酸钾、异噻唑啉酮类中的一种或几种。
所述的抗冻剂包括但不限于丙三醇、乙二醇、丙二醇、聚乙二醇、异丙醇中的一种或几种。
所述的增稠剂包括但不限于黄原胶、硅酸铝镁、改性膨润土、海藻酸盐、羧甲基纤维素、羟丙基纤维素、聚丙烯酸钠、聚丙烯酸胺或聚乙烯吡咯烷酮中的一种或几种。
所述的稳定剂包括但不限于有机酸、有机碱、酯类、醇类、有机膨润土、妥尔油、凹凸棒土、白炭黑、环氧氯丙烷或尿素中的一种或几种。
所述的溶剂包括但不限于油酸甲酯、大豆油、玉米油、茶油、菜籽油、植物油酯化物或矿物油中的一种或几种。
另一方面，本发明还提供了除草组合物在防治杂草中的应用，所述杂草包括莎草科植物、禾本科植物。所述莎草科植物包括耐药型香附子、异型莎草、牛毛毡等杂草。所述禾本科植物包括稗草、虎尾草等杂草。
本发明所取得的有益效果：
本发明经大量实验研究获知假蒟亭碱与氯甲酰草胺在1：2～8：1范围内复配具有增效作用。二者复配使用弥补了氯甲酰草胺对禾本科杂草、假蒟亭碱对莎草科杂草防治效果差的不足，其防效高，除草谱广，延缓杂草抗性，用药量少，环境友好，对杂草(特别是耐药型杂草)的综合防治有重要意义。
具体实施方式
为了更好理解本发明技术内容，下面提供具体实施例，对本发明做进一步的说明。
本发明实施例所述EO-PO嵌段共聚物为高分子表面活性剂，其通常是以丙二醇等含活泼氢的化合物为起始剂，在碱的催化下，依次加聚环氧丙烷(PO)和环氧乙烷(EO)而得。本发明实施例中使用的是市售产品。
实施例1：15％假蒟亭碱·氯甲酰草胺水分散粒剂(4:1)
假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂，包括以下重量百分比的组分：假蒟亭碱12％，氯甲酰草胺3％，十二烷基硫酸钠2％，烷基萘磺酸盐7％，碳酸钠6％，甲基纤维素1％，有机硅类消泡剂0.3％，余量为高岭土。按常规方法制成水分散粒剂。
实施例2：33％假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂(8:3)
假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂，包括以下重量百分比的组分：假蒟亭碱24％，氯甲酰草胺9％，月桂醇硫酸钠3％，萘磺酸甲醛缩合物7％，碳酸氢钠5％，甲基纤维素1％，聚醚类消泡剂0.2％，余量为高岭土，按常规方法制成水分散粒剂。
实施例3：45％假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂(4：1)
假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂，包括以下重量百分比的组分：假蒟亭碱36％，氯甲酰草胺9％，十二烷基苯磺酸钠2％，萘磺酸甲醛缩合物7％，碳酸氢钠5％，甲基纤维素1％，聚醚类消泡剂0.2％，余量为轻质碳酸钙。按常规方法制成水分散粒剂。
实施例4：60％假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂(3：1)
假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂，包括以下重量百分比的组分：假蒟亭碱45％，氯甲酰草胺15％，混合醇聚氧乙烯醚2％，木质素磺酸盐7％，硫酸铵5％，可溶性淀粉1％，高碳醇类消泡剂0.3％，余量为膨润土。按常规方法制成水分散粒剂。
实施例5：80％假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂(15：1)
假蒟亭碱·氯甲酰草胺除草组合物水分散粒剂，包括以下重量百分比的组分：假蒟亭碱75％，氯甲酰草胺5％，混合醇聚氧乙烯醚2％，萘磺酸甲醛缩合物7％，碳酸氢钠5％，甲基纤维素1％，有机硅类消泡剂0.5％，余量为高岭土。按常规方法制成水分散粒剂。
实施例6：64％假蒟亭碱·氯甲酰草胺水分散粒剂(7：1)
假蒟亭碱·氯甲酰草胺水分散粒剂，包括以下重量百分比的组分：假蒟亭碱56％，氯甲酰草胺8％，十二烷基苯磺酸钠3％，烷基萘磺酸盐7％，碳酸钠5％，甲基纤维素1％，有机硅类消泡剂0.5％，余量为膨润土。按常规方法制成水分散粒剂。
实施例7：11％假蒟亭碱·氯甲酰草胺可湿性粉剂(8：3)
假蒟亭碱·氯甲酰草胺可湿性粉剂，包括以下重量百分比的组分：假蒟亭碱8％，氯甲酰草胺3％，十二烷基苯磺酸钠2％，脂肪胺聚氧乙烯醚7％，有机硅类消泡剂0.2％，余量为硅藻土。按常规方法制成可湿性粉剂。
实施例8：20％假蒟亭碱·氯甲酰草胺可湿性粉剂(19：1)
假蒟亭碱·氯甲酰草胺可湿性粉剂，包括以下重量百分比的组分：假蒟亭碱19％，氯甲酰草胺1％，低黏度甲基纤维素2％，脂肪胺聚氧乙烯醚7％，有机硅类消泡剂0.3％，余量为高岭土，按照常规方法制成可湿性粉剂。
实施例9：42％假蒟亭碱·氯甲酰草胺可湿性粉剂(6：1)
假蒟亭碱·氯甲酰草胺可湿性粉剂，包括以下重量百分比的组分：假蒟亭碱36％，氯甲酰草胺6％，月桂醇硫酸钠3％，萘磺酸甲醛缩合物7％，高碳醇类消泡剂0.3％，余量为轻质碳酸钙，按照常规方法制成可湿性粉剂。
实施例10：55％假蒟亭碱·氯甲酰草胺可湿性粉剂(3：2)
假蒟亭碱·氯甲酰草胺可湿性粉剂，包括以下重量百分比的组分：假蒟亭碱33％，氯甲酰草胺22％，混合醇聚氧乙烯醚2％，烷基萘磺酸盐7％，聚醚类消泡剂0.2％，余量为膨润土， 按照常规方法制成可湿性粉剂。
实施例11：63％假蒟亭碱·氯甲酰草胺可湿性粉剂(2：1)
假蒟亭碱·氯甲酰草胺可湿性粉剂，包括以下重量百分比的组分：假蒟亭碱42％，氯甲酰草胺21％，月桂醇硫酸钠3％，木质素磺酸盐8％，聚硅氧烷类消泡剂0.3％，余量为高岭土，按照常规方法制成可湿性粉剂。
实施例12：70％假蒟亭碱·氯甲酰草胺可湿性粉剂(5：2)
假蒟亭碱·氯甲酰草胺可湿性粉剂，包括以下重量百分比的组分：假蒟亭碱50％，氯甲酰草胺20％，GY-W04 3％，GY-D10 6％，硅酮类消泡剂0.3％，余量为高岭土，按常规方法制成可湿性粉剂。
实施例13：80％假蒟亭碱·氯甲酰草胺可湿性粉剂(3：2)
假蒟亭碱·氯甲酰草胺可湿性粉剂，包括以下重量百分比的组分：假蒟亭碱48％，氯甲酰草胺32％，拉开粉3％，木质素磺酸盐8％，聚醚类消泡剂0.8％，膨润土至100％，按照常规方法制成可湿性粉剂。
实施例14：12％假蒟亭碱·氯甲酰草胺水悬浮剂(5：1)
假蒟亭碱·氯甲酰草胺除草组合物水悬浮剂，包括以下重量百分比的组分：假蒟亭碱10％，氯甲酰草胺2％，烷基硫酸盐2％，聚羧酸盐5％，聚硅氧烷类消泡剂0.2％，山梨酸钾0.5％，丙二醇5％，黄原胶0.4％，余量为水。按照常规方法制成水悬浮剂。
实施例15：20％假蒟亭碱·氯甲酰草胺水悬浮剂(3：1)
假蒟亭碱·氯甲酰草胺水悬浮剂包括以下重量百分比的组分：假蒟亭碱15％，氯甲酰草胺5％，EO-PO嵌段共聚物2％，烷基苯磺酸盐类7％，聚硅氧烷类消泡剂0.5％，苯甲酸钠0.5％，乙二醇5％，硅酸铝镁0.5％，余量为水。按照常规方法制成水悬浮剂。
实施例16：10％假蒟亭碱·氯甲酰草胺油悬浮剂(1：1)
假蒟亭碱·氯甲酰草胺油悬浮剂，包括以下重量百分比的组分：假蒟亭碱5％，氯甲酰草胺5％，EO-PO嵌段共聚物2％，壬基酚聚氧乙烯醚磷酸酯钠盐8％，烷基苯磺酸盐类3％，有机膨润土2％，癸酸0.2％，余量为油酸甲酯，按常规方法制成油悬浮剂。
实施例17：44％假蒟亭碱·氯甲酰草胺油悬浮剂(3：1)
假蒟亭碱·氯甲酰草胺油悬浮剂包括以下重量百分比的组分：假蒟亭碱33％，氯甲酰草胺11％，脂肪醇硫酸盐2％，十二烷基苯磺酸钠8％，烯基磺酸盐类2％，有机膨润土4％，硅油0.5％，余量为大豆油，按照常规方法制成油悬浮剂。
实验例1：假蒟亭碱、氯甲酰草胺复配室内毒力测定
靶标杂草：香附子(Cyperus rotundus L.)、稗草(Echinochloa crusgalli(L.)Beauv)
测定方法：温室条件下(25～30℃)，采用室内盆栽法进行试验。将浸种后的靶标杂草种子均匀撒入花盆中，覆土，定期补水，保持土壤湿度，与温室下培养，长齐后留20～25株健壮的苗。待靶标杂草香附子3-4叶期、稗草2-3叶期时茎叶喷雾处理。假蒟亭碱设3个处理，有效成分用量分别为400、800、1600克/公顷；氯甲酰草胺设3个处理，有效成分用量分别为200、400、800克/公顷；假蒟亭碱+氯甲酰草胺混配组合物设9个处理，有效成分用量分别为400+200、400+400、400+800、800+200、800+400、800+800、1600+200、1600+400、1600+800克/公顷；每处理设4次重复，另设空白对照。处理后放置于温室内培养，定期观察生长情况，药后15d称地上部分鲜重，以鲜重抑制率(％)评价药剂对靶标杂草的毒力作用。
Figure PCTCN2021109462-appb-000001
联合作用评价方法：
根据Gowing法评价除草剂的联合作用，公式如下：
E 0＝X+Y－XY/100
X为除草剂A对靶标杂草的鲜重抑制率；Y为除草剂B对靶标杂草的鲜重抑制率；
E 0为单剂A与B复配后对靶标杂草鲜重抑制率的理论值；
E为单剂A与B复配后对靶标杂草鲜重抑制率的实测值。
评价标准：当E－E 0>10％时表示为增效作用，当-10％≤E-E 0≤10％时表示为相加作用，当E-E 0<-10％时表示为拮抗作用。
实验结果：
表1.假蒟亭碱与与氯甲酰草胺及其混配组合对香附子的联合毒力测定结果
Figure PCTCN2021109462-appb-000002
表2.假蒟亭碱与氯甲酰草胺及其混配组合对稗草的联合毒力测定结果
Figure PCTCN2021109462-appb-000003
结果显示假蒟亭碱与氯甲酰草胺以400+200、400+400、400+800、800+200、800+400、800+800、1600+200、1600+400、1600+800比例复配后对香附子、稗草的实际防效高于其理论防效，且E－E 0>10％，说明假蒟亭碱与氯甲酰草胺在重量比为1：2～8：1时具有明显的增效作用。
实验例2：假蒟亭碱、氯甲酰草胺防除田间杂草药效试验：
防治对象：田间发生的常见杂草，香附子(Cyperus rotundus L.)、异形莎草(Cyperus difformis L.)、稗草(Echinochloa crusgalli(L.)Beauv)、虎尾草(Chloris virgata Sw.)。
试验药剂：假蒟亭碱可湿性粉剂(1200g/公顷)，氯甲酰草胺可湿性粉剂(500g/公顷)，实施例1-3、5除草组合物水分散粒剂(1200g/公顷)，实施例8、9、11、13除草组合物可湿性粉剂(1200g/公顷)，实施例15除草组合物水悬浮剂(1200g/公顷)，实施例16除草组合物油悬浮剂(1200g/公顷)；
试验于一块杂草密度较大的田中分区进行，每小区20m 2，杂草3～4叶期施药，均匀兑水进行茎叶喷施。喷施前，分别统计香附子、异形莎草、稗草、虎尾草4种杂草的株数，施药后14d分别统计以上4种杂草株数。防效计算按照下面公式：
防效(％)＝1－(施药后杂草株数÷施药前杂草株数)×100％
表3.假蒟亭碱与氯甲酰草胺组合物对杂草的田间药效试验
Figure PCTCN2021109462-appb-000004
田间试验结果表明，不同配比的假蒟亭碱和氯甲酰草胺复配制剂对禾本科杂草及莎草科杂草防除效果显著，明显优于两种单剂防效。两种药剂混配后解决了田间恶性杂草香附子、异形莎草、稗草、虎尾草等的问题。
综上所述，本发明组分合理，防效优于各组分单剂单独使用，具有延缓杂草抗性，扩大除草谱的优点，且对作物安全性好，符合高效、安全、高选择性的农药应用政策方针。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种含假蒟亭碱的复配除草组合物，其特征在于：包括重量比(1：2)～(8：1)假蒟亭碱与氯甲酰草胺。
  2. 根据权利要求1所述的复配除草组合物，其特征在于，所述假蒟亭碱与氯甲酰草胺的重量比为(8:1)～(8:4)。
  3. 根据权利要求1所述的复配除草组合物，其特征在于，所述假蒟亭碱与氯甲酰草胺的重量比为1:1。
  4. 一种含有权利要求1所述复配除草组合物的除草剂，其特征在于，假蒟亭碱与氯甲酰草胺在除草剂中的总质量含量是10～80％。
  5. 根据权利要求4所述的除草剂，其特征在于，所述除草剂的剂型包括水分散粒剂、可湿性粉剂、水悬浮剂、油悬浮剂。
  6. 根据权利要求5所述的除草剂，其特征在于，所述水分散剂包括以下重量百分比的成分：假蒟亭碱8～75％、氯甲酰草胺3～15％、润湿剂2～3％、分散剂3～7％、崩解剂5～6％、粘结剂0～1％、消泡剂0.2～0.5％，余量为载体。
  7. 根据权利要求5所述的除草剂，其特征在于，所述可湿性粉剂包括以下重量百分比的成分：假蒟亭碱8～50％、氯甲酰草胺1～24％、润湿剂2～3％、分散剂6～8％、消泡剂0.2～0.8％，余量为载体。
  8. 根据权利要求5所述的除草剂，其特征在于，所述水悬浮剂包括以下重量百分比的成分：假蒟亭碱10～15％、氯甲酰草胺2～5％、润湿剂2％、分散剂5～7％、抗冻剂5％、增稠剂0.4～0.5％、防腐剂0.5％、消泡剂0.2～0.5％，余量为水；所述油悬浮剂包括以下重量百分比的成分：假蒟亭碱5～33％、氯甲酰草胺5～11％、乳化剂0～8％、润湿剂2～8％、分散剂2～7％、稳定剂2～4％、消泡剂0.2～0.5％，余量为溶剂。
  9. 权利要求1所述的复配除草组合物或权利要求4所述的除草剂在防治杂草中的应用，所述杂草包括莎草科植物和/或禾本科植物。
  10. 根据权利要求9所述的应用，其特征在于，所述莎草科植物包括香附子和/或异型莎草；所述禾本科植物包括稗草和/或虎尾草。
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