Herbicide composition containing diflufenican and pyroxasulfone

A technology of diflufenapyr and sulfofenazone, applied in the field of pesticides, can solve the problems of high harm, drug resistance, environmental pollution, crop yield loss and the like, and achieves the effects of high safety, improved control and reduced speed

Inactive Publication Date: 2017-05-10
INST OF PLANT PROTECTION HENAN ACAD OF AGRI SCI
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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

Method used

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  • Herbicide composition containing diflufenican and pyroxasulfone
  • Herbicide composition containing diflufenican and pyroxasulfone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A herbicide composition containing diflufenamide and metazafen-sulfone, which is prepared from the following ingredients in parts by weight: diflufenamide 4%, metazafen-sulfone 8%, methylene dinaphthalene sulfonate Sodium phosphate 5%, white carbon black 10%, kaolin to make up to 100%.

[0027] A wettable powder with an active ingredient mass percentage of 12% was formulated according to a conventional formulation preparation method.

Embodiment 2

[0029] A herbicide composition containing diflufenamide and metazafen-sulfen, which is prepared from the following ingredients in parts by weight: 8% diflufenamide, 20% metazafen-sulfone, methylene dinaphthalene sulfone Sodium phosphate 5%, white carbon black 10%, kaolin to make up to 100%.

[0030] A wettable powder with an active ingredient mass percentage of 28% was formulated according to a conventional formulation preparation method.

Embodiment 3

[0032] A herbicide composition containing diflufenamide and metazafen-sulfone, which is prepared from the following ingredients in parts by weight: diflufenamide 10%, metazafen-sulfone 2%, phenethylphenol polyoxygen Ethylene 5%, Nongru 500# 4%, xylene make up to 100%.

[0033] According to the conventional formulation preparation method, the emulsifiable concentrate with an active ingredient mass percent content of 12% was formulated.

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Abstract

The invention discloses a herbicide composition containing diflufenican and pyroxasulfone. The herbicide composition adopts diflufenican and pyroxasulfone as active ingredients, wherein a mass ratio of diflufenican to pyroxasulfone is (1 to 10) to (10 to 1); and then the diflufenican and pyroxasulfone are mixed with pesticide allowable additives and/or aids to prepare a composition with a dosage form of suspension, emulsion oil, micro-emulsion, dispersible oil suspension, wettable powder or water dispersion. The diflufenican and pyroxasulfone in the herbicide composition synergistically play a pesticide effect with completely different action mechanisms, so that poaceae and broadleaf weeds can be effectively prevented and removed, the drug resistance generation speed of the weeds is greatly lowered, the weeding activity of the herbicide is improved, and the safety to crops is high. The application prospect is good.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a herbicide composition containing diflufenican and metazafen-sulfone. 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 herbicide...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/40A01P13/00
CPCA01N43/80A01N43/40
Inventor 徐洪乐吴仁海苏旺苍鲁传涛王恒亮薛飞
Owner INST OF PLANT PROTECTION HENAN ACAD OF AGRI SCI
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