CN110352974A - Early stage herbicidal ative composition and herbicide after one seedling - Google Patents

Early stage herbicidal ative composition and herbicide after one seedling Download PDF

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Publication number
CN110352974A
CN110352974A CN201910801421.7A CN201910801421A CN110352974A CN 110352974 A CN110352974 A CN 110352974A CN 201910801421 A CN201910801421 A CN 201910801421A CN 110352974 A CN110352974 A CN 110352974A
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seedling
herbicide
early stage
component
agent
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CN201910801421.7A
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Chinese (zh)
Inventor
秦培文
徐婧
陈扬
王丹
纪明山
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Shenyang Agricultural University
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Shenyang Agricultural University
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Priority to CN201910801421.7A priority Critical patent/CN110352974A/en
Publication of CN110352974A publication Critical patent/CN110352974A/en
Priority to PCT/CN2020/112098 priority patent/WO2021037204A1/en
Priority to ZA2021/03829A priority patent/ZA202103829B/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
    • A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
    • A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
    • A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/26—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof containing the group; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system

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

Abstract

The invention discloses early stage herbicidal ative composition after a seedling, including component A, B component and component C, the mass ratio of component A, B component and component C is (1-10): (1-10): (50-100)；Component A is Quizalotop-ethyl or clethodim, and B component is cloransulammethyl, and component C is Acetochlor or S-metolachlor.Early stage herbicidal ative composition has efficient, safety, broad weed-killing spectrum, efficacy stability and the feature to main succession crop safety under low temperature and drought condition after the seedling.The invention also discloses early stage herbicides after a seedling, and under the premise of identical effective dose, which is significantly higher than single herbicide in the prior art to the preventive effect of weeds to the preventive effect of weeds.

Description

Early stage herbicidal ative composition and herbicide after one seedling
Technical field
The present invention relates to early stage herbicidal ative composition and weedings after composition pesticide technical field more particularly to a seedling Agent.
Background technique
Broad-leaveds dry farming Tanaka's weeds wide variety such as Soybean Field, Peanut Fields, broadleaf weeds, gramineae weed, Cyperaceae are miscellaneous Grass is mixed to give birth to, frequently with the generation of the method control Tanaka weeds of mixture of herbicides in production, especially in soybean and Peanut Fields.But It is that the compound preparation majority for preventing and treating soybean weeds at present contains the isometric residual effect ingredient of clomazone, fomesafen, to rear stubble Crop is dangerous, and especially in northern area, clomazone is extremely serious to the phytotoxicity of rear stubble wheat, corn etc..In addition, most Ingredient such as Acetochlor in compound drug etc. plays drug effect and needs good soil moisture content and higher temperature, such as arid and low temperature Weather, herbicidal effect are difficult to ensure.Therefore, production it is upper there is an urgent need to a kind of pair of soybean itself with main succession crop safely, Still with the soybean field herbicide of preferable herbicidal effect under drought condition.
Quizalotop-ethyl (Quizalofop-P-ethyl), molecular formula C17H13ClN2O4, chemical name is (R) -2- [4- (6- chlorine quinoxaline -2- base oxygen) phenoxy group] propionic acid, Chinese nickname essence quizalofopethyl, by inhibiting acetyl-CoA carboxylase to hinder ammonia The synthesis of base acid is mainly used for preventing and treating the gramineae weeds such as barnyard grass, herba digitariae.Cloransulammethyl (Cloransulam-methyl), Molecular formula is C15H13ClFN5O5S, chemical name are that [(fluoro- [1,2, the 4] triazol [5,1-c] of 5- ethyoxyl -7- is phonetic by the chloro- 2- of 3- Pyridine -2- base) sulfonamido] methyl benzoate, Chinese nickname beans are outstanding, and triazolopyrimidine sulfonamides weeding is belonged in structure Agent, action target keep the synthesis of branched-chain amino acid suppressed for acetolactate synthestase (ALS) by the inhibition to the enzyme, into And the synthesis of protein is hindered, stop weed growth, eventually lead to death, can be used for preventing and treating Chenopodiaceae, Amaranthus retroflexus, piemarker, black nightshade Equal annual broadleaf weeds and part gramineae weed also have the perennial weeds such as sowthistle, field thistle, meadow pine anti-well Effect.Acetochlor (Acetochlor), molecular formula C14H20ClNO2, chemical name is -6 methyl of 2- ethyl -- N- ethoxyl methyl - Alpha-chloro acetanil, resistance to this of Chinese nickname standing grain destroy protein synthesis, make young shoot, young root by protease inhibition activity It stops growing, and then kills weeds, be mainly used for soil spraying treatment and prevent and treat the small-sized seeds such as annual grass weeds, and anti-Chenopodiaceae Broadleaf weeds.
CN108013046A discloses Quizalotop-ethyl, fomesafen and Acetochlor by the weight of 15-30:10-30:10-30 Amount carries out stem and leaf treatment after seedling than mixed, can effectively prevent the annual grassy weeds such as Semen Cuscutae, but the fluorine sulfanilamide (SN) grass in this combination Ether is long residual effect component, there is the phytotoxicity hidden danger to succession crop.CN104255748A discloses clomazone, Flumetsulam Soybean weeds are prevented and treated with after S-metolachlor mixture seedling, CN104957150A then discloses clomazone and flumioxazin Flumetsulam and isopropyl methoxalamine or Acetochlor it is miscellaneous by prevention and treatment Soybean Field before the weight ratio seedling of 15-20:10-15:10-20 Grass contains clomazone ingredient in the formula combination of above-mentioned two patent disclosure, and clomazone is especially northern in farmland Farmland residual is serious, endangers main succession crop such as wheat, corn etc. huge.
Early stage one-time weeding technology can be easy to avoid application before rear seedling is broadcast by weathers such as early stage arid, low temperature after seedling Influence to herbicidal effect, moreover it is possible to stem and leaf treatment after seedling be effectively reduced, crop bring is injured, further by the pass of researcher Note.But there is no early stage Herbicidal combinations after effective seedling currently, for the broad leaf crop of soybean, peanut etc..
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide early stage activity of weeding groups after a seedling Close object, the composition have efficiently, safety, broad weed-killing spectrum, under low temperature and drought condition efficacy stability and to it is main afterwards stubble The characteristics of crop safety.
The second object of the present invention is to provide early stage herbicide after a seedling, and under the premise of identical effective dose, this is removed Careless agent is significantly higher than single herbicide in the prior art to the preventive effect of weeds to the preventive effect of weeds.
An object of the present invention adopts the following technical scheme that realization:
Early stage herbicidal ative composition after one seedling, including component A, B component and component C, the component A, B component and C The mass ratio of component is (1-10): (1-10): (50-100)；The component A is Quizalotop-ethyl or clethodim, and the B component is Cloransulammethyl, the component C are Acetochlor or S-metolachlor.
Further, the active compound is Quizalotop-ethyl, cloransulammethyl and acetochlor composition；Alternatively, described Active compound is clethodim, cloransulammethyl and acetochlor composition；Or the active compound be Quizalotop-ethyl, Cloransulammethyl and S-metolachlor composition.
The second object of the present invention adopts the following technical scheme that realization:
Early stage herbicide after one seedling, it is described including early stage herbicidal ative composition and auxiliary element after the seedling The mass ratio of active constituent and the auxiliary element is (1-80): (99-20)；The auxiliary element is dispersing agent, emulsifier, disappears One of infusion, wetting agent, stabilizer, thickener, antifreezing agent and solvent or any combination.
Further, the dispersing agent is naphthalenesulfonic acid-formaldehyde condensate (NNO), methyl naphthalene sulfonate formaldehyde condensate (MF), lignosulfonates, alkylbenzene sulfonate, APES formaldehyde condensation products sulfat (SOPA), macromolecule Carboxylate, alkyl phenol polyoxyethylene ether, ethylene oxide/propylene oxide (EO/PO) one of block polyether and organophosphorus ester Or multiple combinations；
The emulsifier be alkyl phenol polyoxyethylene ether (octyl phenol polyoxyethylene ether-OP, nonylphenol polyoxyethylene ether-NP, Ben-zylphenol Polyoxyethyl Ether (agriculture breast BP, BC), styryl phenol polyethenoxy ether (agriculture breast 600, agriculture breast BS, 1601 and of agriculture breast 1602, peaceful cream 32), APES formaldehyde condensation product (Nongru-700 number, peaceful cream 36), castor oil polyoxyethylene Ether (BY), fatty alcohol polyoxyethylene ether (agriculture breast 200), aliphatic alcohol polyethenoxy ester, polyol fatty acid ester and its epoxy second One of alkane addition product, alkylbenzene sulfonate (agriculture breast 500, DBS-Ca) and fatty alcohol polyoxyethylene ether sulfate (AES) Or multiple combinations；
The defoaming agent is mineral oil, vegetable oil, alcohol, polyethers, fatty acid amide, aliphatic ester, silica and organic One of silicon class or multiple combinations；
The wetting agent be alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty acid, aliphatic ester sulfate, One of Negel, alkylbenzene sulfonate, alkyl sulfate, Tea Saponin and lignin salt or multiple combinations；
The stabilizer is potassium sorbate, sodium benzoate, formaldehyde, 1,2- benzisothiazole-3-ketone (BIT), Kathon, ring Oxygen chloropropane, epoxidized vegetable oil, tributyl phosphate, alkyl phenol polyoxyethylene ether phosphate and its salt, 2- methyl -2,4- penta 2 One of pure and mild 1,5- pentanediol or multiple combinations；
The thickener be hydroxymethyl cellulose (CMC), polyvinyl acetate (PVA), xanthic acid, sodium alginate, I One of primary glue, bentonite, white carbon black, aluminium-magnesium silicate and starch or multiple combinations；
The antifreezing agent is one of ethylene glycol, propylene glycol, glycerine and polyethylene glycol or multiple combinations；
The solvent is one of deionized water, methyl oleate, methanol, N,N-dimethylformamide and dimethylbenzene or more Kind combination.
Further, early stage herbicide is aqueous suspension agent, aqueous emulsion, wettable powder, dispersible oil suspension after the seedling Agent, microemulsion, microcapsule powder, microcapsule suspending agent, granule, water dispersible granules or ultra-low volume spray agent.
Further, the dosage form of the herbicide is water dispersible granules, and the active compound accounts for the weight of the herbicide Amount is than being 20-40%；The dosage form of the herbicide is dispersible oil-suspending agent, and the active compound accounts for the weight of the herbicide Amount is than being 20-70%；The dosage form of the herbicide is microcapsule suspending agent, and the active compound accounts for the weight ratio of the herbicide For 10-70%.
Further, application of the herbicide in control of weeds is preferably used for control of weeds by spraying form.
Further, the herbicide is for early stage weed control after Soybean Field seedling.
Further, the weeds are Soybean Field, the gramineae weed in Peanut Fields and/or broadleaf weeds.
Further, the weeds be barnyard grass, it is Ma Tang, herba setariae viridis, chaff millet, wild broomcorn millet, Amaranthus retroflexus, Chenopodiaceae, piemarker, Siberian cocklebur, red In knotweed, dayflower, purslane, acalypha copperleaf, black nightshade, flowerofanhour root or herb, pale persicaria, dilute Xian of hair, meadow pine, sowthistle and field thistle It is at least one.
Compared with prior art, the beneficial effects of the present invention are:
(1) early stage herbicidal ative composition after seedling provided by the present invention expands killing for cloransulammethyl and Acetochlor Grass spectrum: cloransulammethyl belongs to pyrimidine sulfonyl amine herbicide, and cauline leaf process is mainly absorbed through weeds root system, can prevent and treat Chenopodiaceae, anti- The broadleaf weeds such as branch amaranth, sowthistle；And Acetochlor can not only prevent and treat barnyard grass, herba setariae viridis, herba digitariae, etc. gramineae weeds, can also prevent The annual broadleaf weeds such as black nightshade, dayflower, Chenopodiaceae are controlled, the two compounding can expand degrass spectrum, realize a drug, grain width with double Purpose.
(2) early stage herbicidal ative composition after seedling provided by the present invention, cloransulammethyl and Acetochlor compound synergic: chlorine Ester sulphur grass amine hinders albumen by inhibiting weeds acetolactate synthestase (ALS) to keep the synthesis of branched-chain amino acid suppressed The synthesis of matter, stops weed growth, eventually leads to death；And Acetochlor then passes through sprout inhibition seed starches enzymatic activity obstruction Biosynthesis keeps weeds dead, and it also has cauline leaf process active early stage weeds seedling；The two has the function of different Mechanism, compounding have certain synergistic effect, can effectively reduce dosing, improve preventive effect, avoid weed community succession and The enhancing of drug resistance has the Soybean Fields such as barnyard grass, herba setariae viridis, dayflower, Amaranthus retroflexus and Chenopodiaceae, Peanut Fields main weeds apparent Effect.
(3) early stage herbicidal ative composition after seedling provided by the present invention, Quizalotop-ethyl/clethodim, cloransulammethyl and Early stage medication can realize that the purpose of " closing down combination ", control efficiency are good after Acetochlor/S-metolachlor seedling: Quizalotop-ethyl and alkene Humulone is stem and leaf treatment after seedling herbicide, in gramineae weed 1-2 leaf phase medication effect far better than being widely used to promote at present 3-4 leaf phase medication, early stage is compounded after can be used for seedling with cloransulammethyl/Flumetsulam and Acetochlor/S-metolachlor Prevent and kill off gramineae weed；Flumetsulam and Acetochlor can be not only used for soil closing, it can also be used to stem and leaf treatment after seedling, but It is that Acetochlor stem and leaf treatment after seedling must use competence exertion activity of weeding in 1 heart stage of 1 leaf of gramineae weed；Therefore, smart quinoline standing grain Spirit/clethodim, cloransulammethyl/Flumetsulam and Acetochlor/S-metolachlor mixture, can close the soil of Acetochlor Ability is combined with Quizalotop-ethyl/clethodim and cloransulammethyl/Flumetsulam cauline leaf process activity, utilizes Quizalotop-ethyl Or clethodim makes up the lower disadvantage of Acetochlor cauline leaf process activity, also can effectively avoid Flumetsulam and Acetochlor broadcasts rear seedling Preceding dosage is big, influences vulnerable to spring drought and loses activity of weeding, so having better preventive effect compared with routine administration.
(4) early stage herbicide has efficient, safety, broad weed-killing spectrum after seedling provided by the invention, in low temperature and drought condition Lower efficacy stability and to main succession crop safety the advantages that.Under the premise of identical effective dose, the herbicide is to weeds Preventive effect be significantly higher than single herbicide in the prior art to the preventive effect of weeds.
Specific embodiment
In the following, being described further in conjunction with specific embodiment to the present invention, it should be noted that is do not collided Under the premise of, new embodiment can be formed between various embodiments described below or between each technical characteristic in any combination.
Early stage herbicidal ative composition after one seedling, including component A, B component and component C, component A, B component and component C Mass ratio be (1-10): (1-10): (50-100)；Component A is Quizalotop-ethyl or clethodim, and B component is cloransulammethyl, C Group is divided into Acetochlor or S-metolachlor.
Further, active compound is Quizalotop-ethyl, cloransulammethyl and acetochlor composition；Alternatively, active component Object is clethodim, cloransulammethyl and acetochlor composition；Or active compound be Quizalotop-ethyl, cloransulammethyl and S-metolachlor composition.
Early stage herbicidal ative composition after seedling provided by the embodiment of the present invention, it is therefore intended that by Quizalotop-ethyl, chlorine ester sulphur Careless amine and Acetochlor are compounded, provide it is a kind of can be used for soybean, peanut broad leaf crop seedling after early stage control of weeds, to target Crop and the highly-safe herbicidal composition of succession crop.The combination rationally utilizes the characteristic of three kinds of different herbicides, It is most suitable for the time application of its drug effect performance, the dosage of herbicide is advantageously reduced, caused by can effectively avoid low temperature, arid etc. Herbicide loses anti-problem, and due to using long residual herbicides easily to lead to the problem of key to late stubble sensitive crop.
Early stage herbicide after one seedling, including early stage herbicidal ative composition and auxiliary element after above-mentioned seedling, activity The mass ratio of ingredient and auxiliary element is (1-80): (99-20)；Auxiliary element be dispersing agent, emulsifier, defoaming agent, wetting agent, One of stabilizer, thickener, antifreezing agent and solvent or any combination.
Further, dispersing agent be naphthalenesulfonic acid-formaldehyde condensate (NNO), methyl naphthalene sulfonate formaldehyde condensate (MF), Lignosulfonates, alkylbenzene sulfonate, APES formaldehyde condensation products sulfat (SOPA), polymeric carboxylic Salt, alkyl phenol polyoxyethylene ether, ethylene oxide/propylene oxide (EO/PO) block polyether, organophosphorus ester, dodecyl sulphate One of sodium and low substituted hydroxy-propyl methylcellulose or multiple combinations.
Further, emulsifier is alkyl phenol polyoxyethylene ether (octyl phenol polyoxyethylene ether-OP, Nonyl pheno Ether-NP, Ben-zylphenol Polyoxyethyl Ether (agriculture breast BP, BC), styryl phenol polyethenoxy ether (agriculture breast 600, agriculture breast BS, agriculture breast 1601 and 1602, peaceful cream 32), APES formaldehyde condensation product (Nongru-700 number, peaceful cream 36), castor oil it is poly- Ethylene oxide ether (BY), fatty alcohol polyoxyethylene ether (agriculture breast 200), aliphatic alcohol polyethenoxy ester, polyol fatty acid ester and its In ethylene oxide adduct, alkylbenzene sulfonate (agriculture breast 500, DBS-Ca) and fatty alcohol polyoxyethylene ether sulfate (AES) One or more combinations.
Further, defoaming agent be mineral oil, vegetable oil, alcohol, polyethers, fatty acid amide, aliphatic ester, silica and One of organic silicon or multiple combinations.
Further, wetting agent is alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty acid, aliphatic ester sulphur One of hydrochlorate, Negel, alkylbenzene sulfonate, alkyl sulfate, Tea Saponin and lignin salt or multiple combinations.
Further, stabilizer be potassium sorbate, it is sodium benzoate, formaldehyde, 1,2-benzisothiazolin-3-one (BIT), triumphant Pine, epoxychloropropane, epoxidized vegetable oil, tributyl phosphate, alkyl phenol polyoxyethylene ether phosphate and its salt, methyl -2 2-, One of 4- pentanediol and 1,5- pentanediol or multiple combinations.
Further, thickener be hydroxymethyl cellulose (CMC), polyvinyl acetate (PVA), xanthic acid, sodium alginate, One of Arabic gum, bentonite, white carbon black, aluminium-magnesium silicate and starch or multiple combinations.
Further, antifreezing agent is one of ethylene glycol, propylene glycol, glycerine and polyethylene glycol or multiple combinations.
Further, solvent is one in deionized water, methyl oleate, methanol, n,N-Dimethylformamide and dimethylbenzene Kind or multiple combinations.
Further, early stage herbicide is aqueous suspension agent, aqueous emulsion, wettable powder, oil-suspending agent can be dispersed, is micro- after seedling Emulsion, microcapsule powder, microcapsule suspending agent, granule, water dispersible granules or ultra-low volume spray agent.
Further, the dosage form of herbicide is water dispersible granules, and active compound is Quizalotop-ethyl, cloransulammethyl and second Careless amine composition, the weight ratio that active compound accounts for herbicide is 20-40%.
Further, the dosage form of herbicide is dispersible oil-suspending agent, active compound be clethodim, cloransulammethyl and Acetochlor composition, the weight ratio that active compound accounts for herbicide is 20-70%.
Further, the dosage form of herbicide is microcapsule suspending agent, and active compound is Quizalotop-ethyl, cloransulammethyl and essence Isopropyl methoxalamine composition, the weight ratio that active compound accounts for herbicide is 10-70%.
Further, application of the herbicide in control of weeds is preferably used for control of weeds by spraying form.
Further, herbicide is for early stage weed control after Soybean Field, Peanut Fields seedling.
Further, weeds are Soybean Field, the gramineae weed in Peanut Fields and/or broadleaf weeds.
Further, weeds are barnyard grass, Ma Tang, herba setariae viridis, chaff millet, wild broomcorn millet, Amaranthus retroflexus, Chenopodiaceae, piemarker, Siberian cocklebur, smartweed, duck In plantar grass, purslane, acalypha copperleaf, black nightshade, flowerofanhour root or herb, pale persicaria, dilute Xian of hair, meadow pine, sowthistle and field thistle at least It is a kind of.
After the seedling of the provided offer of the embodiment of the present invention early stage herbicide have efficiently, safety, broad weed-killing spectrum, in low temperature and Under drought condition efficacy stability and to main succession crop safety the advantages that.Under the premise of identical effective dose, the weeding Agent is significantly higher than single herbicide in the prior art to the preventive effect of weeds to the preventive effect of weeds.
It is specific embodiment of the present invention below, used raw material, equipment etc. remove special limit in the following embodiments It can be obtained by buying pattern outside fixed.
Embodiment 1:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 34.5% Quizalotop-ethyl Cloransulammethyl Acetochlor (three's mass ratio is 3:1.5:30), which is prepared in accordance with the following methods: by 30g essence Quizalofop-ethyl and 15g cloransulammethyl are dissolved completely in 192g n,N-Dimethylformamide, and 300g Acetochlor, 40g is then added Dispersing agent NNO, 20g lauryl sodium sulfate, 200g urea resin prepolymer and 3g defoaming agent (vegetable oil) add after mixing shearing Enter 200g initiator, reaction 30min is slowly stirred at 60 DEG C to get 34.5% Quizalotop-ethyl cloransulammethyl Acetochlor (3:1.5:30) microcapsule suspending agent.
Embodiment 2:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 31.5% Quizalotop-ethyl Cloransulammethyl Acetochlor (three's mass ratio is 1:0.5:30), which is prepared in accordance with the following methods: by 10g essence Quizalofop-ethyl and 5g cloransulammethyl are dissolved completely in 222g n,N-Dimethylformamide, and 300g Acetochlor, 40g is then added Dispersing agent NNO, 20g lauryl sodium sulfate, 200g urea resin prepolymer and 3g defoaming agent (vegetable oil) add after mixing shearing Enter 200g initiator, reaction 30min is slowly stirred at 60 DEG C to get 31.5% Quizalotop-ethyl cloransulammethyl Acetochlor (1:0.5:30) microcapsule suspending agent.
Embodiment 3:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 43% Quizalotop-ethyl chlorine Ester sulphur grass amine Acetochlor (three's mass ratio is 2:1:40), which is prepared in accordance with the following methods: by 20g essence quinoline standing grain Spirit and 10g cloransulammethyl are dissolved completely in 107g n,N-Dimethylformamide, and 400g Acetochlor, 40g dispersion is then added Agent NNO, 20g lauryl sodium sulfate, 200g urea resin prepolymer and 3g defoaming agent (vegetable oil) are added after mixing shearing 200g initiator, be slowly stirred at 60 DEG C reaction 30min to get 43% Quizalotop-ethyl cloransulammethyl Acetochlor (2:1: 40) microcapsule suspending agent.
Embodiment 4:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 23% Quizalotop-ethyl chlorine Ester sulphur grass amine Acetochlor (three's mass ratio is 2:1:20), which is prepared in accordance with the following methods: by 680.5g oil Sour methyl esters, 45g Dispersant MF, 22g penetrant t, 10g bentonite, 5g formaldehyde, 5g defoaming agent, 2.5g xanthan gum, 20g essence quinoline standing grain Spirit, 10g cloransulammethyl, 200g Acetochlor are added in shearing tank and mix 30min, then grind material in the ball mill, control Ball mill temperature processed be lower than 40 DEG C, after discharging cross 325 meshes to get 23% Quizalotop-ethyl cloransulammethyl Acetochlor (2: Oil-suspending agent 1:20) can be dispersed.
Embodiment 5:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 33% Quizalotop-ethyl chlorine Ester sulphur grass amine Acetochlor (three's mass ratio is 2:1:30), which is prepared in accordance with the following methods: by 580.5g oil Sour methyl esters, 45g Dispersant MF, 22g penetrant t, 10g bentonite, 5g formaldehyde, 5g defoaming agent, 2.5g xanthan gum, 20g essence quinoline standing grain Spirit, 10g cloransulammethyl, 300g Acetochlor are added in shearing tank and mix 30min, then grind material in the ball mill, control Ball mill temperature processed be lower than 40 DEG C, after discharging cross 325 meshes to get 33% Quizalotop-ethyl cloransulammethyl Acetochlor (2: Oil-suspending agent 1:30) can be dispersed.
Embodiment 6:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 43% Quizalotop-ethyl chlorine Ester sulphur grass amine Acetochlor (three's mass ratio is 2:1:40), which is prepared in accordance with the following methods: by 480.5g oil Sour methyl esters, 45g Dispersant MF, 22g penetrant t, 10g bentonite, 5g formaldehyde, 5g defoaming agent, 2.5g xanthan gum, 20g essence quinoline standing grain Spirit, 10g cloransulammethyl, 400g Acetochlor are added in shearing tank and mix 30min, then grind material in the ball mill, control Ball mill temperature processed be lower than 40 DEG C, after discharging cross 325 meshes to get 43% Quizalotop-ethyl cloransulammethyl Acetochlor (2: Oil-suspending agent 1:40) can be dispersed.
Embodiment 7:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 23% Quizalotop-ethyl chlorine Ester sulphur grass amine Acetochlor (three's mass ratio is 2:1:20), which is prepared in accordance with the following methods: by 20g essence quinoline standing grain Spirit, 10g cloransulammethyl, 200g Acetochlor, 40g lignosulfonates, 40g low substituted hydroxy-propyl methylcellulose, 40g K12 Air-flow crushing is carried out after mixing with 650g kaolin；Gained wettable powder is transferred to Squeezinggranulator, then gained particle is carried out Dry, screening is to get 23% Quizalotop-ethyl cloransulammethyl Acetochlor (2:1:20) water dispersible granules.
Embodiment 8:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 66% Quizalotop-ethyl chlorine Ester sulphur grass amine Acetochlor (three's mass ratio is 4:2:60), which is prepared in accordance with the following methods: by 40g essence quinoline standing grain Spirit, 20g cloransulammethyl, 600g Acetochlor, 40g lignosulfonates, 40g low substituted hydroxy-propyl methylcellulose, 40g K12 Air-flow crushing is carried out after mixing with 220g kaolin；Gained wettable powder is transferred to Squeezinggranulator, then gained particle is carried out Dry, screening is to get 66% Quizalotop-ethyl cloransulammethyl Acetochlor (4:2:60) water dispersible granules.
Embodiment 9:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 43% Quizalotop-ethyl chlorine Ester sulphur grass amine Acetochlor (three's mass ratio is 2:1:40), which is prepared in accordance with the following methods: by 20g essence quinoline standing grain Spirit, 10g cloransulammethyl, 400g Acetochlor, 40g lignosulfonates, 40g low substituted hydroxy-propyl methylcellulose, 40g K12 Air-flow crushing is carried out after mixing with 450g kaolin；Gained wettable powder is transferred to Squeezinggranulator, then gained particle is carried out Dry, screening is to get 43% Quizalotop-ethyl cloransulammethyl Acetochlor (2:1:40) water dispersible granules.
Embodiment 10:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 26% clethodim chlorine ester Sulphur grass amine Acetochlor (three's mass ratio is 1.4:0.6:24), which is prepared in accordance with the following methods: by 14g alkene grass Ketone and 6g cloransulammethyl are dissolved completely in 277g n,N-Dimethylformamide, and 240g Acetochlor, 40g dispersion is then added 200g initiation is added after mixing shearing in agent NNO, 20g lauryl sodium sulfate, 200g urea resin prepolymer and 3g defoaming agent It is micro- to get 34.5% clethodim cloransulammethyl Acetochlor (1.4:0.6:24) to be slowly stirred reaction 30min at 60 DEG C for agent Capsule suspending agent.
Embodiment 11:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 26% clethodim chlorine ester Sulphur grass amine Acetochlor (three's mass ratio is 1.4:0.6:24), which is prepared in accordance with the following methods: by 652.5g Methyl oleate, 45g Dispersant MF, 22g penetrant t, 10g bentonite, 5g formaldehyde, 5g defoaming agent, 2.5g xanthan gum, 14g essence quinoline Standing grain spirit, 6g cloransulammethyl, 240g Acetochlor are added in shearing tank and mix 30min, then grind material in the ball mill, control Ball mill temperature processed is lower than 40 DEG C, and 325 meshes are crossed after discharging to get 25.8% clethodim cloransulammethyl Acetochlor Oil-suspending agent can be dispersed in (1.4:0.6:24).
Embodiment 12:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 39% clethodim chlorine ester Sulphur grass amine S-metolachlor (three's mass ratio is 2.1:0.9:36), which is prepared in accordance with the following methods: will 21g clethodim and 9g cloransulammethyl are dissolved completely in 157g n,N-Dimethylformamide, and 360g essence isopropyl first is then added Careless amine, 40g dispersing agent NNO, 20g lauryl sodium sulfate, 200g urea resin prepolymer and 3g defoaming agent add after mixing shearing Enter 200g initiator, reaction 30min is slowly stirred at 60 DEG C to get 34.5% clethodim cloransulammethyl essence isopropyl first grass Amine (2.1:0.9:36) microcapsule suspending agent.
Embodiment 13:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 26% clethodim chlorine ester Sulphur grass amine S-metolachlor (three's mass ratio is 1.4:0.6:24), which is prepared in accordance with the following methods: will 652.5g methyl oleate, 45g Dispersant MF, 22g penetrant t, 10g bentonite, 5g formaldehyde, 5g defoaming agent, 2.5g xanthan gum, 14g Quizalotop-ethyl, 6g cloransulammethyl, 240g S-metolachlor are added in shearing tank and mix 30min, then by material in ball It is ground in grinding machine, control ball mill temperature is lower than 40 DEG C, and 325 meshes are crossed after discharging to get 25.8% clethodim chlorine ester sulphur grass Oil-suspending agent can be dispersed in amine S-metolachlor (1.4:0.6:24).
Embodiment 14:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 33% Quizalotop-ethyl chlorine Ester sulphur grass amine S-metolachlor (three's mass ratio is 2:1:30), which is prepared in accordance with the following methods: by 20 Quizalotop-ethyl and 10g cloransulammethyl are dissolved completely in 207g n,N-Dimethylformamide, then be added 300g Acetochlor, 40g dispersing agent NNO, 20g lauryl sodium sulfate, 200g urea resin prepolymer and 3g defoaming agent are added after mixing shearing 200g initiator is slowly stirred reaction 30min at 60 DEG C to get 33% Quizalotop-ethyl cloransulammethyl S-metolachlor (2:1:30) microcapsule suspending agent.
Embodiment 15:
Early stage herbicide after one seedling, including active constituent and auxiliary element, active constituent are as follows: 21.5% clethodim chlorine Ester sulphur grass amine S-metolachlor (three's mass ratio is 1:0.5:20), which is prepared in accordance with the following methods: will 695.5g methyl oleate, 45g Dispersant MF, 22g penetrant t, 10g bentonite, 5g formaldehyde, 5g defoaming agent, 2.5g xanthan gum, 10g Quizalotop-ethyl, 5g cloransulammethyl, 200g S-metolachlor are added in shearing tank and mix 30min, then by material in ball It is ground in grinding machine, control ball mill temperature is lower than 40 DEG C, and 325 meshes are crossed after discharging to get 21.5% clethodim chlorine ester sulphur grass Oil-suspending agent can be dispersed in amine S-metolachlor (1:0.5:20).
Effect assessment and performance detection
One, potting toxicity test
Reagent agent:
5% Quizalotop-ethyl missible oil；
10% Flumetsulam suspending agent；
50% acetochlor ec.
For trying target: barnyard grass Echinochloa crusgalli (L.) Beauv., herba digitariae Digitaria Sanguinalis (L.) Scop., Amaranthus retroflexus A.retroflexus L., piemarker A.theophrasti Medicus.
Dosing design:
Quizalotop-ethyl single dose is 20,25,30g a.i./hm2；
Cloransulammethyl single dose is 10,15,20g a.i./hm2；
Acetochlor single dose dosage is 600,800,1000g a.i./hm2；
Cloransulammethyl, Acetochlor and Quizalotop-ethyl are shown in Table 1 with when dosage.
Test method: acquisition farmland surface layer 1-3cm soil, it is 15cm containing 3/4 that diameter is covered on after mixing well In the basin alms bowl of sterile soil, then soil thickness 2cm is saturated soil moisture using bottom infiltrating irrigation, miscellaneous to main grass family Careless (barnyard grass, herba setariae viridis) is long to 1 heart stage of 1 leaf, main broadleaf weeds (Amaranthus retroflexus, piemarker) it is long to 2 leaf phase when by medicament listed by table 1 Spraying treatment, 4 repetitions of every processing are control with clear water, and normal management after processing weighs each processing weeds overground part after 30 days Divide fresh weight, the inhibition percentage and remaining weeds for calculating each processing aerial growth are the percentage compareed, are commented with Colby method The mixed synergy type to weed control of valence three.Each processing weeds fresh weight/control percentage show that observation is E, Calculated value (E0) obtains as the following formula: E0=A × B × C/10000
Wherein A, B, C be each single dose handle weeds fresh weight with the ratio between compare percentage.
By Colby method, work as E-E0It is synergistic effect when < -5.0%, works as E-E0It is summation action when value is between ± 5.0%, Work as E-E0It is antagonism when > 5.0%.
It is by table 1-4 it is found that each after cloransulammethyl is mixed with Quizalotop-ethyl/clethodim and Acetochlor/S-metolachlor The E-E of processing0(%) value is between -6.1~-18.6, respectively less than -5%, illustrates the anti-jig after its mixture to annual grassy weeds There is synergistic effect.
Indoor toxicity test of 1 cloransulammethyl of the table+Acetochlor+Quizalotop-ethyl processing to annual grassy weeds
Indoor toxicity test of 2 cloransulammethyls of the table+Acetochlor+clethodim processing to annual grassy weeds
Indoor toxicity test of 3 cloransulammethyls of the table+S-metolachlor+clethodim processing to annual grassy weeds
Indoor toxicity test of 4 cloransulammethyls of the table+S-metolachlor+Quizalotop-ethyl processing to annual grassy weeds
Two, field control effectiveness test:
Trial crops: soybean
Insecticide spraying time: early stage, 1 trifoliolate leaf of soybean, gramineae weed 1-2 leaf phase, broadleaf weeds 2-3 leaf phase after seedling.
Chemicals treatment:
Embodiment 1:34.5% Quizalotop-ethyl cloransulammethyl Acetochlor microcapsule suspending agent, 2000mL/ha；
Embodiment 2:31.5% Quizalotop-ethyl cloransulammethyl Acetochlor microcapsule suspending agent, 4000mL/ha；
Embodiment 3:43% Quizalotop-ethyl cloransulammethyl Acetochlor microcapsule suspending agent, 3000mL/ha；
Oil-suspending agent, 3000mL/ha can be dispersed in embodiment 4:23% Quizalotop-ethyl cloransulammethyl Acetochlor；
Oil-suspending agent, 3000mL/ha can be dispersed in embodiment 5:33% Quizalotop-ethyl cloransulammethyl Acetochlor；
Oil-suspending agent, 3000mL/ha can be dispersed in embodiment 6:43% Quizalotop-ethyl cloransulammethyl Acetochlor；
Embodiment 7:23% Quizalotop-ethyl cloransulammethyl Acetochlor water dispersible granules, 3000g/ha；
Embodiment 8:66% Quizalotop-ethyl cloransulammethyl Acetochlor water dispersible granules, 1515g/ha；
Embodiment 9:43% Quizalotop-ethyl cloransulammethyl Acetochlor water dispersible granules, 3000g/ha；
Embodiment 10:26% clethodim cloransulammethyl Acetochlor microcapsule suspending agent, 5000mL/ha；
Oil-suspending agent, 5000mL/ha can be dispersed in embodiment 11:26% clethodim cloransulammethyl Acetochlor；
Embodiment 12:39% clethodim cloransulammethyl S-metolachlor microcapsule suspending agent, 3333mL/ha；
Oil-suspending agent, 5000mL/ can be dispersed in embodiment 13:26% clethodim cloransulammethyl S-metolachlor ha；
Embodiment 14:33% Quizalotop-ethyl cloransulammethyl S-metolachlor microcapsule suspending agent, 3000mL/ha；
Oil-suspending agent, 6000mL/ can be dispersed in embodiment 15:21.5% clethodim cloransulammethyl S-metolachlor ha；
Control setting:
Compare 1:5% Quizalotop-ethyl MC
Compare 2:84% cloransulammethyl WG
Compare 3:50% acetochlor ec
Select upper time weeds that the more serious and plot that is evenly distributed, every 20m occurs2A cell is set as, between cell If protection row, after big bean seedlings, the gramineae weed 1-2 leaf phase, broadleaf weeds 2-3 leaf phase spraying treatment, every processing is repeated 4 times. Wherein weeds type is identical in each cell, comprising barnyard grass, herba digitariae, Amaranthus retroflexus and piemarker etc..
30d observes treatment region and check plot after processing, counts weeds quantity, calculates strain preventive effect and fresh weight preventive effect.
Strain preventive effect calculation formula:
Strain preventive effect %=(1- treatment region weeds strain number/check plot weeds strain number) * 100%
Fresh weight preventive effect %=(1- treatment region weeds fresh weight/check plot weeds fresh weight) * 100%
Each embodiment is shown in Table 5 to the preventive effect of weeds.
As can be seen from Table 5, cloransulammethyl and Quizalotop-ethyl/clethodim and the weeding of Acetochlor/S-metolachlor Mixture all has good control efficiency to Soybean Field annual grassy weeds, and synergistic effect is obvious between medicament.
Each embodiment of table 5 is to Soybean Field annual grassy weeds 30d fresh weight preventive effect
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto, The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention Claimed range.

Claims (10)

1. early stage herbicidal ative composition after a seedling, which is characterized in that including component A, B component and component C, the component A, The mass ratio of B component and component C is (1-10): (1-10): (50-100)；The component A be Quizalotop-ethyl or clethodim, it is described B component is cloransulammethyl, and the component C is Acetochlor or S-metolachlor.
2. early stage herbicidal ative composition after seedling as described in claim 1, which is characterized in that the active compound is smart quinoline Standing grain spirit, cloransulammethyl and acetochlor composition；Alternatively, the active compound is clethodim, cloransulammethyl and Acetochlor Composition；Or the active compound is Quizalotop-ethyl, cloransulammethyl and S-metolachlor composition.
3. early stage herbicide after a seedling, which is characterized in that combined including early stage activity of weeding after seedling described in claim 1 The mass ratio of object and auxiliary element, the active constituent and the auxiliary element is (1-80): (99-20)；It is described auxiliary at It is divided into one of dispersing agent, emulsifier, defoaming agent, wetting agent, stabilizer, thickener, antifreezing agent and solvent or any combination.
4. early stage herbicide after seedling as claimed in claim 3, which is characterized in that the dispersing agent is naphthalene sulfonate formaldehyde condensation Object, methyl naphthalene sulfonate formaldehyde condensate, lignosulfonates, alkylbenzene sulfonate, alkyl phenol polyoxyethylene ether formaldehyde condensation Object sulfate, polymeric carboxylic salt, alkyl phenol polyoxyethylene ether, ethylene oxide/propylene oxide block polyether and organophosphorus ester One of or multiple combinations；
The emulsifier is alkyl phenol polyoxyethylene ether, styryl phenol polyethenoxy ether, the contracting of alkyl phenol polyoxyethylene ether formaldehyde Close object, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, aliphatic alcohol polyethenoxy ester, polyol fatty acid ester and its ring One of oxidative ethane addition product, alkylbenzene sulfonate and fatty alcohol polyoxyethylene ether sulfate or multiple combinations；
The defoaming agent is mineral oil, vegetable oil, alcohol, polyethers, fatty acid amide, aliphatic ester, silica and organic silicon One of or multiple combinations；
The wetting agent is alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, fatty acid, aliphatic ester sulfate, alkyl One of sodium naphthalene sulfonate, alkylbenzene sulfonate, alkyl sulfate, Tea Saponin and lignin salt or multiple combinations；
The stabilizer be potassium sorbate, sodium benzoate, formaldehyde, 1,2- benzisothiazole-3-ketone, Kathon, epoxychloropropane, Epoxidized vegetable oil, tributyl phosphate, alkyl phenol polyoxyethylene ether phosphate and its salt, 2- methyl -2,4-PD and 1,5- One of pentanediol or multiple combinations；
The thickener is hydroxymethyl cellulose, polyvinyl acetate, xanthic acid, sodium alginate, Arabic gum, bentonite, white One of carbon black, aluminium-magnesium silicate and starch or multiple combinations；
The antifreezing agent is one of ethylene glycol, propylene glycol, glycerine and polyethylene glycol or multiple combinations；
The solvent is one of deionized water, methyl oleate, methanol, N,N-dimethylformamide and dimethylbenzene or a variety of groups It closes.
5. early stage herbicide after seedling as claimed in claim 4, which is characterized in that for the emulsifier, the alkyl phenol is poly- Ethylene oxide ether is octyl phenol polyoxyethylene ether-OP, nonylphenol polyoxyethylene ether-NP or Ben-zylphenol Polyoxyethyl Ether.
6. early stage herbicide after seedling as claimed in claim 3, which is characterized in that early stage herbicide is aqueous suspension after the seedling Agent, aqueous emulsion, wettable powder, dispersible oil-suspending agent, microemulsion, microcapsule powder, microcapsule suspending agent, granule, water dispersion Granula or ultra-low volume spray agent.
7. early stage herbicide after seedling as claimed in claim 6, which is characterized in that the dosage form of the herbicide is water-dispersible grain Agent, the weight ratio that the active compound accounts for the herbicide is 20-40%；The dosage form of the herbicide is that dispersible oil suspends Agent, the weight ratio that the active compound accounts for the herbicide is 20-70%；The dosage form of the herbicide is microcapsule suspending agent, The weight ratio that the active compound accounts for the herbicide is 10-70%.
8. early stage herbicide after seedling as claimed in claim 3, which is characterized in that be used for control of weeds by spraying form.
9. early stage herbicide after seedling as claimed in claim 8, which is characterized in that the weeds are Soybean Field, in Peanut Fields Gramineae weed and/or broadleaf weeds.
10. early stage herbicide after seedling as claimed in claim 8, which is characterized in that the weeds be barnyard grass, Ma Tang, herba setariae viridis, In chaff millet, wild broomcorn millet, Amaranthus retroflexus, Chenopodiaceae, piemarker, Siberian cocklebur, smartweed, dayflower, purslane, sowthistle, field thistle and acalypha copperleaf extremely Few one kind.
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WO2021037204A1 (en) * 2019-08-28 2021-03-04 沈阳农业大学 Early post-emergent herbicidal active composition and herbicide
CN114431249A (en) * 2022-02-15 2022-05-06 华丰作物科技(黑龙江)有限公司 Organic-inorganic composite herbicide for corn field and preparation method thereof

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Application publication date: 20191022