Herbicide containing halosulfuron-methyl

A technology for chlorpyrifosulfuron and herbicides, which is applied to the field of herbicides containing chlorpyrifosulfuron, can solve the problems of inability to use weeds at the same time, the herbicide has a narrow herbicidal spectrum, and the artificial weeding is unrealistic, thereby reducing adverse effects. Influence, reduce drug costs, and improve the effect of prevention and treatment

Inactive Publication Date: 2019-07-12
JIANGSU INST OF ECOMONES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Wheat fields and corn fields are generally planted on a large scale, and manual weeding is unrealistic. Traditional herbicides have a narrow weeding spectrum, and cannot use weeds in corn fields and weed fields at the same time, and the weeding effect is poor, causing great damage to crops.

Method used

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  • Herbicide containing halosulfuron-methyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 20% clopyrazosulfuron-methyl and iodosulfuron-methyl oil suspension: clopyrazosulfuron-methyl 10%, methyl-iodosulfuron-methyl 10%, polyoxyethylene alkylphenol ether 5%, fatty acid polyoxyethylene ester 5% , fatty polyoxyethylene 2%, magnesium aluminum silicate 3%, emulsified silicone oil 2%, methylated soybean oil supplemented to 100%.

[0032] The preparation method is as follows: after mixing clopyrazosulfuron-methyl and iodosulfuron-methyl with the solvent, add other materials into the reactor mixer together, stir evenly, inject the materials into a multi-stage sand mill for grinding, and after grinding The material fineness of 98% passes through 1-5μm, and then the material is discharged. The material is transferred to a high-shear emulsification kettle, and after emulsification, 20% clopyrazosulfuron-methyl and iodosulfuron-methyl oil suspension concentrate can be made.

Embodiment 2

[0034] 35% clopyrazosulfuron-methyl and iodosulfuron-methyl oil suspension: 10% clopyrazosulfuron-methyl, 25% methyl-iodosulfuron-methyl, 5% polyoxyethylene alkylphenol ether, 5% fatty acid polyoxyethylene ester , fatty polyoxyethylene 2%, magnesium aluminum silicate 3%, emulsified silicone oil 2%, methylated soybean oil supplemented to 100%.

[0035] The preparation method is the same as in Example 1.

Embodiment 3

[0037] 50% clopyrazosulfuron-methyl and iodosulfuron-methyl oil suspension: 15% clopyrazosulfuron-methyl, 35% methyl-iodosulfuron-methyl, 5% polyoxyethylene alkylphenol ether, 5% fatty acid polyoxyethylene ester , fatty polyoxyethylene 2%, magnesium aluminum silicate 3%, emulsified silicone oil 2%, methylated soybean oil supplemented to 100%.

[0038] The preparation method is the same as in Example 1.

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Abstract

The invention relates to the technical field of pesticide compositions, in particular to a herbicide containing halosulfuron-methyl. The active ingredients of the herbicide are the halosulfuron-methyland methyl iodosulfuron, wherein the mass ratio of the halosulfuron-methyl to the methyl iodosulfuron is (2-5): (3-15). The herbicidal activity of the compounded halosulfuron-methyl and methyl iodosulfuron in the herbicide is higher than that of the separately used halosulfuron-methyl and methyl iodosulfuron for broadleaf grass and cyperaceae, and a synergistic effect is achieved; a weed controlspectrum is enlarged after the combination, and the dosage is also reduced; after the halosulfuron-methyl and the methyl iodosulfuron are compounded, the synergistic effect is shown within a certain ratio, the control effect of the composition is obviously improved than single agents, the dosage of a pesticide is reduced, the use frequency of the pesticide is reduced, the use cost of the pesticideis reduced, the adverse effect of the pesticide on the ecological environment is reduced, and the maintenance of the ecological balance is facilitated.

Description

technical field [0001] The invention relates to the technical field of pesticide compositions, in particular to a herbicide containing closulfuron-methyl. Background technique [0002] The main weeds in the corn field are: crabgrass, amaranthus, cyperus, amaranth, teff, nightshade, barnyardgrass, millet, quinoa, gray-green quinoa, purslane, amaranthus, pig Hairy cabbage, Kochia, amaranth, foxtail, amaranth, amaranth, quinoa, green amaranth, goosegrass, green weed, thorn quinoa, amaranth, velvetleaf, wild watermelon seedlings, amaranth and other weeds. Perennial weeds include bindweed, reed, Cyperus cyperus, etc. [0003] The common weeds in wheat fields mainly include Aurantia chinensis, Japanese sagegrass, sage grass, clubhead grass, hardgrass, bluegrass, candle grass, wild oats, brome, poisonous wheat, rice chaste, mountain bittern, mud Cucumber, endive, annual capsicum, spinach, chickweed, beef chickweed, cocklebur, Maijiagong, large vetch, narrow-leaf vetch, wide-sprea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00
CPCA01N47/36
Inventor 孔繁雷张旺庚刘青
Owner JIANGSU INST OF ECOMONES
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