阅读说明：本技术 一种含草甘膦的除草组合物 (Weeding composition containing glyphosate ) 是由 李玉洁 李冰清 于 2020-06-19 设计创作，主要内容包括：本发明涉及一种对果园、葡萄园、橡胶园或非耕地的除草组合物,所述除草组合物具有除草谱广、除草持效期长、防效高的特点。所述除草组合物至少包含草甘膦、乙羧氟草醚和丙炔氟草胺三组分,活性成分质量比为(1-30)：(1-30)：(1-30),优选为(1-10)：(1-10)：(1-10)。所述除草组合物按照本技术领域技术人员所公知的方法可以配制的制剂剂型包括水剂、悬浮剂、悬乳剂、可分散油悬浮剂、可湿性粉剂、水分散粒剂、颗粒剂和微囊悬浮-悬浮剂,活性成分在制剂中的重量百分含量为1％-80％,优选为5％～70％。本发明还涉及上述组合物在防除果园杂草中的应用。(The invention relates to a weeding composition for orchards, vineyards, rubber gardens or uncultivated areas, which has the characteristics of wide weeding spectrum, long weeding duration and high control effect. The weeding composition at least comprises three components of glyphosate, fluoroglycofen-ethyl and flumioxazin, and the mass ratio of the active ingredients is (1-30): (1-30): (1-30), preferably (1-10): (1-10): (1-10). The preparation formulation of the weeding composition which can be prepared by a method known by a person skilled in the art comprises an aqueous solution, a suspending agent, a suspoemulsion, a dispersible oil suspending agent, a wettable powder, a water dispersible granule, a granule and a microcapsule suspension-suspending agent, wherein the weight percentage content of active ingredients in the preparation is 1-80%, and the preferable weight percentage content is 5-70%. The invention also relates to application of the composition in controlling orchard weeds.)

1. A method for preventing and removing weeds in orchards or non-arable lands, which is characterized by treating a potato field with a compound weeding composition at least comprising glyphosate, fluoroglycofen-ethyl and flumioxazin, wherein the target weeds are in a 4-6 leaf stage, and the mass ratio of the glyphosate to the fluoroglycofen-ethyl to the flumioxazin in the weeding composition is (1-30): (1-30): (1-30).

2. The method according to claim 1, characterized in that the weight ratio of active ingredients in the herbicidal composition is preferably (1-10): (1-10): (1-10).

3. The method as set forth in claim 1 or 2, characterized in that the herbicidal composition can be formulated in the form of aqueous preparations, suspensions, suspoemulsions, dispersible oil suspensions, wettable powders, water dispersible granules, granules and microcapsule suspension-suspensions.

4. The method as claimed in claim 1 or 2, characterized in that the active ingredient in the herbicidal composition is present in an amount of 1% to 80%, preferably 5% to 75% by weight of the formulation.

5. The application of the compound weeding composition in preventing and killing weeds in orchards or non-cultivated lands is characterized in that the mass ratio of glyphosate, fluoroglycofen-ethyl and flumioxazin in the weeding composition is (1-10): (1-10): (1-10).

6. A herbicidal composition as claimed in any one of claims 1 to 5.

Technical Field

The invention relates to a weeding composition, which consists of active ingredients of glyphosate, fluoroglycofen-ethyl and flumioxazin, and belongs to the technical field of compound pesticide compounding.

Background

Glyphosate, english common name glyphosate, chemical name: n- (phosphonomethyl) glycine structurally belongs to an organophosphorus herbicide, has an action mechanism of an enolpyruvylshikimate phosphate synthase inhibitor, is a systemic conduction type chronic broad-spectrum biocidal herbicide, and mainly inhibits the enolpyruvylshikimate phosphate synthase in organisms, thereby inhibiting the conversion of shikimate to phenylalanine, tyrosine and tryptophan and leading the synthesis of protein to be interfered to cause plant death. Can prevent and kill monocotyledons and dicotyledons, annual and perennial plants, herbaceous plants, shrubs and other plants of more than 40 families. Can be used for preventing and removing weeds in apple gardens, peach gardens, grape gardens, pear gardens, tea gardens, mulberry gardens and farmland fallow fields.

Fluoroglycofen-ethyl, english generic name Fluoroglycofen, chemical name: ethyl 0- [5- (2-chloro-a, a, a-trifluoro-p-tolyloxy) -2-nitrobenzoyl ] glycolate, structurally belonging to a diphenyl ether herbicide and mechanism of action belonging to protoporphyrin oxidase inhibitor. The herbicide is used for preventing and killing most of broadleaf weeds in soybean fields, and although the herbicide has certain activity to sensitive dicotyledonous weeds when applied before emergence, the dosage of the herbicide is 2-10 times higher than that of the herbicide after emergence. The agent is not effective in controlling narrow-leaf or perennial weeds. Is suitable for weeding wheat, barley, peanut, soybean and paddy fields. Can prevent and kill off broad-leaved weeds, in particular weeds of cleavers, speedwell, viola, xanthium and sweet potatoes.

Flumioxazin, the english generic name flumioxazin, chemical name: 7-fluoro-6- (3,4,5, 6-tetrahydro) phthalimido-4- (2-propynyl) -1, 4-benzoxazine-3 (2H) -ketone, which belongs to a cyclic imine herbicide in structure. The flumioxazin is a herbicide absorbed by buds and leaves, can effectively prevent and kill 1-year-old broadleaf weeds and part of gramineous weeds when being used for soil treatment, is easy to degrade in the environment, and is safe for succeeding crops. The soybean and the peanut have good drug resistance. Maize, wheat, barley, rice have moderate tolerance.

The inventor of the invention finds that the glyphosate, the fluoroglycofen-ethyl and the flumioxazin are compounded, so that the herbicide composition has obvious control effect on orchard, vineyard, rubber garden, uncultivated land, paddy ridge and forest land weeds, can reduce the dosage, reduce the pollution to the environment, reduce the control cost and improve the safety to crops.

Disclosure of Invention

The invention aims to provide a weeding composition for orchards, vineyards, rubber gardens or uncultivated areas, which has the characteristics of wide weeding spectrum, long weeding duration and high control effect. The weeding composition at least comprises glyphosate, fluoroglycofen-ethyl and flumioxazin.

It is another object of the present invention to provide a herbicidal composition formulation comprising at least glyphosate, fluoroglycofen-ethyl and flumioxazin.

The third purpose of the invention is to provide the application of the composition in controlling orchard weeds.

In order to overcome the defect of single preparation or binary combination in the prior art, the technical scheme of the weeding composition is as follows:

A) a first active ingredient glyphosate;

B) a second active ingredient fluoroglycofen-ethyl;

C) the third active component flumioxazin.

The mass ratio of the first active ingredient to the second active ingredient to the third active ingredient is (1-30): (1-30): (1-30), preferably (1-10): (1-10): (1-10).

The formulation of the glyphosate-containing weeding composition comprises aqueous solution, suspending agent, suspoemulsion, dispersible oil suspending agent, wettable powder, water dispersible granule, granule and microcapsule suspension-suspending agent, and the weight percentage of active ingredients in the formulation is 1-80%, preferably 5-70%. For aqueous agents, optional adjuvants include: emulsifiers such as calcium dodecylbenzene sulfonate, alkylphenol formaldehyde resin polyoxyethylene ether, agricultural emulsion 2201#, sorbitan monostearate polyoxyethylene ether, nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, phenethylphenol polyoxyethylene polyoxypropylene ether, agricultural emulsion 600#, agricultural emulsion 400#, dodecyl dimethyl benzyl ammonium chloride and the like; the solvent water is deionized water.

For suspending agents, optional adjuvants include: dispersing agents such as one or more of polycarboxylate, lignosulfonate, alkylnaphthalene formaldehyde condensate sulfonate, alkylphenol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether sulfonate, phenethyl phenol polyoxyethylene ether phosphate, alkyl polyoxyethylene ether sulfonate, polyoxyethylene polyoxypropylene ether block copolymer, nekal, dodecyl polyoxyethylene ether phosphate, etc.; wetting agents such as one or more of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, phenethylphenol polyoxyethylene ether phosphate ester, alkylsulfate, alkylsulfonate, alkylnaphthalenesulfonate, alkylphenol formaldehyde resin polyoxyethylene ether, tristyrylphenol polyoxypropylene polyoxyethylene block polymer, and the like; thickening agents such as one or more of xanthan gum, polyvinyl alcohol, bentonite, magnesium aluminum silicate, carboxymethyl cellulose, carboxyethyl cellulose, methyl cellulose, and the like; preservatives such as one or more of formaldehyde, benzoic acid, sodium benzoate, potassium sorbate, isothiazolinone, and the like; defoaming agents such as one or more of silicone oil, silicone compounds, C10-20 saturated fatty acid compounds, C8-10 fatty alcohols, hexanol, butanol, octanol, etc.; antifreeze agents such as one or more of ethylene glycol, propylene glycol, glycerol, polyethylene glycol, sorbitol, urea, inorganic salts, etc.; the water is deionized water.

For suspoemulsions, optional adjuvants include: emulsifier such as one or more of calcium dodecylbenzene sulfonate (Nongru 500#), Nongru 700#, Nongru 2201, span-60 #, emulsifier T-60 (common name: sorbitan monostearate polyoxyethylene ether), TX-10 (common name: octylphenol polyoxyethylene (10) ether), Nongru 1601#, Nongru 600#, Nongru 400#, etc.; dispersants such as one or more of polycarboxylates, lignosulfonates, alkylnaphthalenesulfonates, and the like; solvents such as one or more of dimethyl phthalate, dibutyl phthalate, ethyl acetate, methyl benzoate, and the like; defoaming agents such as one or more of silicone oil, silicone compounds, C10-20 saturated fatty acid compounds, C8-10 fatty alcohols, hexanol, butanol, octanol, etc.; thickening agent such as one or more of white carbon black, polyvinyl alcohol, bentonite, magnesium aluminum silicate, etc.; one or more of antifreeze such as ethylene glycol, propylene glycol, glycerol, urea, inorganic salts such as sodium chloride, etc.; the water is deionized water.

For dispersible oil suspensions, optional adjuvants include: dispersants such as one or more of polycarboxylate, alkylnaphthalene sulfonate, TERSPERSE2425 (alkylnaphthalene sulfonate, available from henseme, usa); emulsifier such as one or more of Nongru 700# (common name: alkylphenol formaldehyde polyoxyethylene ether), Nongru 2201, span-60 (common name: sorbitan monostearate), Tween-60 (common name: sorbitan fatty acid ester polyoxyethylene ether), Nongru 1601# (common name: triphenylethylphenol polyoxypropylene polyoxyethylene block polymer), TERSPERSE4894 (Hensmei corporation, USA), TERSPERSE2500 (Hensmei corporation, USA); wetting agents such as one or more of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, alkylphenol polyoxyethylene ether phosphate, phenethylphenol polyoxyethylene ether phosphate, alkyl sulfate, alkyl sulfonate, naphthalene sulfonate, TERSPERSE2500 (available from henseme, usa); thickening agent such as one or more of white carbon black, polyvinyl alcohol, bentonite, and magnesium aluminum silicate; one or more of antifreeze such as ethylene glycol, propylene glycol, glycerol, urea, inorganic salts such as sodium chloride; dispersing medium such as one or more of soybean oil, oleum Rapae, oleum Maydis, methyl oleate, and oleum ricini.

For wettable powders, optional adjuvants include: dispersing agents such as one or more of polycarboxylate, lignosulfonate, polyoxyethylene polyoxypropylene ether block copolymer, alkyl naphthalene formaldehyde condensate sulfonate, alkylphenol polyoxyethylene ether phosphate, fatty alcohol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether sulfonate and the like; wetting agents such as one or more of alkyl sulfates, alkyl sulfonates, alkyl naphthalene sulfonates, and the like; the filler is one or more of ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon black, light calcium carbonate, talcum powder, attapulgite, pottery clay and the like.

For water dispersible granules, optional auxiliaries include: dispersants such as one or more of polycarboxylates (TERSPERSE2700, T36, GY-D06, etc.), lignosulfonates, alkylnaphthalene sulfonates, and the like; wetting agents such as one or more of alkyl sulfates, alkyl sulfonates, naphthalene sulfonates, and the like; disintegrating agent such as one or more of ammonium sulfate, sodium sulfate, polyvinylpyrrolidone, starch and its derivatives, bentonite, etc.; binder such as one or more of starch, glucose, polyvinyl alcohol, polyethylene glycol, sodium carboxymethylcellulose, sucrose, etc.; the filler is one or more of diatomite, kaolin, white carbon black, light calcium carbonate, talcum powder, attapulgite, pottery clay and the like.

For granules, optional adjuvants include: carriers such as one or more of clay, kaolin, talc, calcium carbonate, corn starch, aluminum silicate, and the like; dispersants such as one or more of polycarboxylates, lignosulfonates, alkylnaphthalenesulfonates, and the like; wetting agents such as one or more of alkyl sulfates, alkyl sulfonates, naphthalene sulfonates, and the like; binder such as one or more of polyvinyl alcohol, dextrin, polyvinylpyrrolidone, etc.

For microcapsule suspension-suspending agents, optional adjuvants include: disintegrating agent such as one or more of bentonite, urea, ammonium sulfate, polyvinylpyrrolidone, glucose, and sodium bicarbonate; preservatives such as one or more of formaldehyde, benzoic acid, sodium benzoate, potassium sorbate, isothiazolinone, and the like; emulsifier such as fatty alcohol polyoxyethylene ether, fatty acid polyoxyethylene ether, calcium dodecylbenzene sulfonate, alkylphenol polyoxyethylene ether, styrylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, sorbitan monostearate polyoxyethylene ether, fatty acid polyoxyethylene ether phosphate, etc.; dispersing agents such as one or more of polycarboxylates, lignosulfonates, alkylphenol polyoxyethylene ether formaldehyde condensate Sulfates (SOPA), naphthalene and alkylnaphthalene formaldehyde condensate sulfonates, EO-PO block polyethers, alkylphenol polyoxyethylene ether phosphates, alkylphenol polyoxyethylene ethers, fatty acid polyoxyethylene esters, fatty amine polyoxyethylene ethers, glycerol fatty acid ester polyoxyethylene ethers, and the like; wetting agents such as one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, naphthalene sulfonate formaldehyde condensate and the like; antifreeze agents such as one or more of urea, ethylene glycol, propylene glycol, glycerol, etc.; thickening agents such as one or more of xanthan gum, carboxymethyl cellulose, carboxyethyl cellulose, methyl cellulose, magnesium aluminum silicate, polyvinyl alcohol, and the like; the defoaming agent is one or more of silicone oil, silicone compound, C10-20 saturated fatty acid compound, C8-10 fatty alcohol, ester ether, etc.

The above-mentioned optional adjuvants may be selected by those skilled in the art according to the descriptions in the literature such as "solid preparation", "liquid preparation", and "adjuvant for agricultural chemicals", but the selection of the particular adjuvant needs to be tried by a specific formulation process test, and the optional adjuvants do not always give a uniform and stable formulation.

The invention has reasonable components, good weeding effect in orchard, small dosage and low cost, and the activity and weeding effect are not simple superposition of the activities of the components, but have obvious synergistic effect, good safety to crops and accordance with the safety requirement of pesticide preparation.

Detailed Description

The effect of weeding common in the orchard by ternary combination of glyphosate, fluoroglycofen-ethyl and flumioxazin is verified by combined action determination.

Indoor toxicity assay

The test method refers to part 4 of agricultural chemical indoor bioassay test criteria herbicide of agricultural industry standard NY/T1155.4-2006 of the people's republic of China: activity determination test stem leaf spray method and part 7 of agricultural chemical indoor bioassay test criteria herbicide standard NY/T1155.7-2006 of the people's republic of China: combined action assay of compounding. The test subjects were large crabgrass and purslane.

The original drug is prepared into the required test drug, and 6 different concentration gradients are set for each single drug and each compound drug (on the basis of the preliminary test result, the concentration gradients are set differently according to different drug proportions, and the control rate is set according to the geometric progression in the range of 5% -90%). Repeat 4 times with clear water control. The weeds are in the 4-6 leaf stage and are sprayed separately from low dose to high dose. After treatment, the mixture is placed in a greenhouse for culture and observation, and water is supplemented in a mode of infiltrating irrigation at the bottom of the pot.

Adopting DPS data processing software to process the test data, and converting according to the liquid spraying amount and the rotary disc area of the Prite spray tower to obtain ED of each medicament for different targets₅₀The value (g/ha). Evaluating the combined action of the mixture by adopting a Sun Yunpei cotoxicity coefficient method, wherein when the CTC is more than 120, the mixture has a synergistic effect, antagonism is achieved when the CTC is less than 120, and addition effect is achieved between the CTC and the CTC.

TABLE 1 Combined action of Glyphosate, fluoroglycofen-ethyl and flumioxazin combination on large crabgrass

TABLE 2 Combined action of Glyphosate, fluoroglycofen-ethyl and flumioxazin in combination with Portulaca oleracea

Treatment of	ED50Value (g/ha)	Co-toxicity coefficient
			Glyphosate (a)	198.53
Fluoroglycofen-ethyl (b)	22.75
			Flumioxazin (c)	9.60
a:b:c＝1:1:1	15.78	124.12
			a:b:c＝1:3:5	10.27	133.23
a:b:c＝1:5:3	11.90	140.73
			a:b:c＝1:3:1	15.18	136.66
a:b:c＝5:1:1	27.31	147.89
			a:b:c＝5:1:10	11.20	128.64
a:b:c＝1:5:10	9.57	131.99
			a:b:c＝1:10:1	17.24	126.83
CK	-	-

Indoor toxicity test results show that: the glyphosate, fluoroglycofen-ethyl and flumioxazin are prepared according to the following formula (1-5): (1-10): (1-10) the compound pesticide has higher activity on both the large crabgrass and the purslane, and can obtain a synergistic control effect after the three are combined.

Formulation examples

To better illustrate the invention, the following description of the invention is given in conjunction with formulation examples, the percentages in the formulation being given by weight.