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Herbicide composition containing fomesafen and pyroxasulfone

A technology of fomesafen and sulfofenazone, applied in the field of pesticides, can solve the problems of drug resistance, environmental pollution, high harm, crop yield loss, etc., and achieve the effects of high safety, improved control, and improved herbicidal activity

Inactive Publication Date: 2018-05-11
HAILIR PESTICIDES & CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Weeds can cause an average 34% loss of crop yield, far more harmful than pests and pathogens
At present, chemical herbicides are still the most economical and effective means of controlling weed damage in modern agricultural production. However, with the long-term and large-scale use of herbicides, many problems such as drug resistance and environmental pollution have been brought about.

Method used

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  • Herbicide composition containing fomesafen and pyroxasulfone
  • Herbicide composition containing fomesafen and pyroxasulfone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A herbicide composition containing fomesafen and metazazone, prepared from the following ingredients in parts by weight: 4% fomesafen, 8% metazafen, sodium methylene dinaphthalene sulfonate 5%, silica 10%, kaolin make up to 100%.

[0022] A wettable powder with an active ingredient mass percent of 12% is formulated according to a conventional formulation preparation method.

Embodiment 2

[0024] A herbicide composition containing fomesafen and metazazone, which is prepared from the following ingredients in parts by weight: fomesafen 8%, metazafen 20%, sodium methylene dinaphthalene sulfonate 5%, silica 10%, kaolin make up to 100%.

[0025] A wettable powder with an active ingredient mass percentage of 28% is prepared according to a conventional formulation preparation method.

Embodiment 3

[0027] A herbicide composition containing fomesafen and metazafen, which is prepared from the following ingredients in parts by weight: fomesafen 10%, metazafen 2%, phenethylphenol polyoxyethylene 5% %, Nongru 500#4%, xylene make up to 100%.

[0028] The emulsifiable concentrate with 12% mass percentage of active ingredients is formulated according to the conventional formulation preparation method.

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Abstract

The invention discloses a herbicide composition containing fomesafen and pyroxasulfone. The herbicide composition mainly adopts the fomesafen and the pyroxasulfone as effective components; the mass ratio of the fomesafen to the pyroxasulfone is 1:50 to 50:1; then the fomesafen, the pyroxasulfone and a pesticide allowable additive and / or accessory ingredient are prepared into the composition with adosage form being a suspension agent, an emulsifiable concentrate, a microemulsion, a dispersible oil suspension agent, wettable powder or a water dispersible granule. According to the herbicide composition, the fomesafen and the pyroxasulfoneare are synergized to play a pesticide effect through completely different function mechanisms, so that gramineae and broadleaf weeds can be effectively controlled, the generation of the drug resistance of the weeds is greatly retarded, the herbicidal activity of the herbicide is improved, and the safety to crops is high. The herbicide composition has abetter application prospect.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a herbicide composition containing fomesafen and metazafen. Background technique [0002] Farmland weeds are a class of harmful organisms that seriously threaten the growth of crops. Weeds can cause an average 34% loss of crop yield, and their damage is much higher than that of pests and pathogens. At present, chemical herbicides are still the most economical and effective means of controlling weed damage in modern agricultural production. However, with the long-term and large-scale use of herbicides, many problems such as drug resistance and environmental pollution have been brought about. Therefore, the development of high-efficiency, low-toxicity, and safe herbicides has become the main direction of herbicide research, and the selection and use of compound herbicides has also become a very active and effective way. Through the compounding of different herbicid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N41/06A01P13/00
Inventor 葛家成李建国刘桂娟刘金凤李晓静
Owner HAILIR PESTICIDES & CHEM GRP
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