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Mixed herbicide comprising cloransulam-methyl and clethodim and preparation method thereof

A technology of sulfentrazone and clethodim, applied in the field of pesticides, can solve the problems of potential safety hazards, limited herbicidal spectrum of simple herbicides, etc., and achieve the effects of high safety, reduced pesticide dosage and high safety.

Active Publication Date: 2015-02-18
NANJING HUAZHOU PHARMA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of limited herbicide spectrum and potential safety hazards in the prior art, and provide a highly efficient and safe mixed herbicide

Method used

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  • Mixed herbicide comprising cloransulam-methyl and clethodim and preparation method thereof
  • Mixed herbicide comprising cloransulam-methyl and clethodim and preparation method thereof
  • Mixed herbicide comprising cloransulam-methyl and clethodim and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0029] According to the conventional preparation production method, measured by the mass percentage of the finally obtained mixed herbicide, take 60% of clofensulfame and 10% of clethodim, add agricultural adjuvant: 6% of sodium methylene bisturide sulfonate, wood Sodium sulfonate 5%, mix well, and add kaolin continuously during the stirring process, so that the mass ratio of the whole mixture reaches 100%, and follow the general steps to form the mixed mass ratio of clofensulfame and clethodim with a mass ratio of 70% A wettable powdered herbicide mix.

Embodiment 2

[0031] According to the conventional preparation production method, measured by the mass percentage of the finally obtained mixed herbicide, take 60% of clofensulfame and 5% of clethodim, add agricultural auxiliaries: 6.6% of naphthalenesulfonic acid formaldehyde condensate, wetting agent T 4.4%, white carbon black 4%, blended and mixed, and kaolin was added continuously during the stirring process, so that the mass ratio of the whole mixture reached 100%, and jet milling was carried out, and according to the general steps, the formation of cloxazone and clethodim A wettable powder mixed herbicide with a mixing mass ratio of 65%.

Embodiment 3

[0033] According to the conventional preparation production method, the mass percentage of the finally obtained mixed herbicide is measured, taking 50% of clofensulfame and 25% of clethodim, adding agricultural auxiliaries: sodium lignosulfonate 5%, lauryl Sulfate 2%, ammonium sulfate 5%, mix well, and add kaolin continuously during the stirring process, so that the mass ratio of the whole mixture reaches 100%, and follow the general steps to form the mixed mass ratio of clofensulfame and clethodim A 75% water dispersible granular herbicide mix.

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Abstract

The invention belongs to the technical field of chemical synthesis, and provides a mixed herbicide comprising two active ingredients of cloransulam-methyl and clethodim, and a preparation method and application of the mixed herbicide. The mass ratio of the cloransulam-methyl and the clethodim in the mixed herbicide is (5-60):(1-25), the total mass of the cloransulam-methyl and the clethodim is 6 to 75 percent based on the mass of the herbicide, and the mixed herbicide can be used for preventing and controlling grassy weeds and broadleaf weeds in a soybean field. The mixed herbicide has advantages of being high in herbicidal activity, broad in herbicidal spectrum, long in efficacy duration, high in safety, high in effectivity, broad in spectrum, high in environmental compatibility, safe for human and livestock, and the like, and is a high-quality chemical herbicide for soybean crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a mixed herbicide comprising two active ingredients of clofenac-sulam and clethodim, and a preparation method and application of the mixed herbicide. . Background technique [0002] Cloransulam-methy, chemical name: 3-chloro-2-(5-ethoxy-7-fluoro[1,2,4]triazol[1,5-c]pyrimidine-2- Sulfonyl) methyl aminobenzoate, belongs to sulfonamide herbicides, has systemic conductivity, weed roots and stems and leaves can absorb pesticides, and can conduct upward and downward through xylem and phloem, and finally accumulate in plants In the meristem, by inhibiting acetolactate synthase and inhibiting the biosynthesis of branched-chain amino acids, protein synthesis in weeds is blocked, resulting in growth stagnation and death of weeds. The agent has both stem and leaf treatment effects and soil sealing effect. Its main purpose is to spray the soil surface before planting, and use it before an...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01P13/00A01N35/10
Inventor 何华雄郭崇友张宝俊高瑞花彭永强
Owner NANJING HUAZHOU PHARMA
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