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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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of limited herbicide spectrum a

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

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0028] Example 1

[0029] According to the conventional formulation production method, the final mixed herbicide was measured by mass percentage, taking 60% of chlorfentrazone, 10% of clethodim, and adding agricultural additives: sodium methylene ditetrasulfonate 6%, wood Sodium sulfonate 5%, mix well, and continuously add kaolin during the stirring process to make the mass ratio of the whole mixture reach 100%, and follow the general steps to form a mixture of chlorfentrazone and clethodim in a mass ratio of 70% The wettable powdery mixed herbicide.

Example Embodiment

[0030] Example 2

[0031] According to the conventional preparation method, the final mixed herbicide is measured by mass percentage, taking 60% of chlorfentrazone and 5% of clethodim, adding agricultural additives: naphthalenesulfonic acid formaldehyde condensate 6.6%, wetting agent T 4.4%, white carbon black 4%, mix evenly, and continuously add kaolin during the stirring process to make the mass ratio of the whole mixture reach 100%, perform jet pulverization, and follow the general steps to form chlorfentrazone and clethodim A wettable powdery mixed herbicide with a mixing mass ratio of 65%.

Example Embodiment

[0032] Example 3

[0033] According to the conventional preparation production method, the final mixed herbicide is measured by mass percentage, taking 50% of chlorfentrazone and 25% of clethodim, adding agricultural additives: sodium lignosulfonate 5%, dodecyl Sulfate 2%, ammonium sulfate 5%, mix well, and continuously add kaolin during the stirring process to make the whole mixture mass ratio reach 100%, and follow the general steps to form the mixed mass ratio of chlorfentrazone and clethodim It is a 75% water-dispersible granular hybrid herbicide.

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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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