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A kind of mixed herbicide containing pyrazosulfuron-methyl and benzamid

A technology of benzamid and chlorpyrazosulfuron-methyl, which is applied in the fields of pesticides and herbicides, can solve the problems of poor control effects, and achieve the effects of avoiding safety, high safety, and good environmental compatibility

Active Publication Date: 2017-08-25
NANJING HUAZHOU PHARMA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a mixed herbicide containing pyrazosulfuron-methyl and propyzamide for the problem of drug resistance to farmland weeds in the prior art and the poor control effect of single use. The composition has the advantages of high efficiency and broad spectrum, reduced pesticide dosage, reduced pesticide residues, good environmental compatibility, and safety to humans and animals, etc.

Method used

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  • A kind of mixed herbicide containing pyrazosulfuron-methyl and benzamid
  • A kind of mixed herbicide containing pyrazosulfuron-methyl and benzamid
  • A kind of mixed herbicide containing pyrazosulfuron-methyl and benzamid

Examples

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Effect test

Embodiment 1

[0020] Clorazosulfuron-methyl 70%, benzamide 5%, NNO (sodium methylene bis-tetrasulfonate) 6%, sodium lignosulfonate 5%, add kaolin to 100%, and prepare according to the conventional preparation method It is a wettable powder with a mass percentage of 75%.

Embodiment 2

[0022] Clorazosulfuron-methyl 15%, benzamide 5%, alkylphenol polyoxyethylene ether 3%, castor oil polyoxyethylene ether 2%, xanthan gum 0.1%, xylene 20%, ethylene glycol 5 %, add water to 100%, and prepare a water emulsion with a mass percent content of 20% according to a conventional preparation method.

Embodiment 3

[0024] Clorazosulfuron-methyl 50%, benzamide 20%, sodium lignosulfonate 5%, sodium lauryl sulfate 2%, ammonium sulfate 5%, add kaolin to 100%, and prepare according to the conventional preparation method A water-dispersible granule with a mass percent content of 70%.

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Abstract

The invention belongs to the technical field of pesticides, and discloses a mixed herbicide containing pyrazosulfuron-methyl and benzamid. The mass ratio of rimsulfuron-methyl to benzamid is 0.1-80:0.1-80. The application of the mixed herbicide of the present invention in the weeding of corn fields has the advantages of wide herbicidal spectrum, quick effect, high efficiency, low toxicity, low residue, safety and environmental protection, etc. It can reduce the amount of pesticides used, reduce the residues of pesticides, and reduce the environmental impact. It is a high-quality chemical herbicide for corn crops due to its good compatibility and safety to humans and animals.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and relates to a mixed herbicide containing pyrazosulfuron-methyl and benzamid. The herbicide composition can be applied to post-emergence weeding in corn fields. Background technique [0002] Halosulfuron methyl, molecular formula: C 13 h 15 ClN 6 o 7 S, chemical name: 3-(4,6-dimethoxypyrimidin-2-yl)-1-(1-methyl-3-chloro-4-methoxyformylpyrazol-5-yl)sulfonate Urea, also known as: pyrichlorsulfuron. Clopyrazosulfuron-methyl belongs to a new type of sulfonylurea herbicide, which is an inhibitor of acetolactate synthase. It is absorbed through the roots, stems and leaves of weeds, and is transmitted in plants. The weeds stop growing and then die. It is mainly used to control broad-leaved weeds and Cyperaceae weeds, such as velvetleaf, barn ears, datura, ragweed, amaranth, wild watermelon seedlings, Polygonum, purslane, nightshade, cassia, Beef, Rad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01P13/00A01N37/18
Inventor 石振龙黄娟张宝俊邢刚万维肖
Owner NANJING HUAZHOU PHARMA