Weedicide composition containing pretilachlor, penoxsulam and halosulfuron methyl

A technology of penoxsulam and chlorpyrifosulfuron is applied in the directions of herbicides, algaecides, biocides, biocides, etc., which can solve the problems such as not very significant drug effects, and achieves reduction of the number of application times, The effect of reducing control costs and expanding the weed control spectrum

Inactive Publication Date: 2017-12-29
安徽圣丰生化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In actual use, when penoxsulam, pretilachlor and pyrazosulfuron-methyl are used alone, they are not very effective for direct-seeding paddy fields such as bare flower bamboo leaves, stephenia, crabgrass, goosegrass, etc. significantly

Method used

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  • Weedicide composition containing pretilachlor, penoxsulam and halosulfuron methyl
  • Weedicide composition containing pretilachlor, penoxsulam and halosulfuron methyl
  • Weedicide composition containing pretilachlor, penoxsulam and halosulfuron methyl

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in combination with the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] Examples of herbicide granule formulations of pretilachlor, penoxsulam and chlorpyramid-methyl:

[0022] Take the prepared granules of the herbicide composition preparation containing pretilachlor, penoxsulam and chlorpyrazosulfuron-methyl, and use an appropriate amount of water and soybean oil to prepare penoxsulam-pretilachlor with a concentration of 9%. • Dispersible suspension concentrates for clopyrazosulfuron-methyl compositions.

[0023] Biological example: field...

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Abstract

The invention discloses a weedicide composition containing pretilachlor, penoxsulam and halosulfuron methyl. The composition is prepared from 50 to 52 weight percent of pretilachlor, 20 to 22 weight percent of penoxsulam, 20 to 22 weight percent of halosulfuron methyl and the balance of pesticide auxiliary agents. The proportional ingredients of the penoxsulam, the pretilachlor and the halosulfuron methyl in the weedicide composition are optimized and are prepared into preparation particles of the weedicide composition through the optimized preparation process; the storage and the transportation are convenient; during the weedicide application, the weedicide preparation is convenient; the prevention effect of the weedicide composition prepared by mixing the pretilachlor, the penoxsulam and the halosulfuron methyl is superior to the activity of each ingredient during single application; meanwhile, the prevention and control spectrum of weed in the direct seeding paddy field is expanded; the number of weedicide application times of the rice seeding paddy field is reduced; the prevention and control cost is reduced.

Description

technical field [0001] The invention relates to a herbicide composition containing pretilachlor, penoxsulam and chlorpyrazosulfuron-methyl, in particular to a herbicide for controlling annual weeds and barnyardgrass in direct-seeding rice fields. Background technique [0002] Pretilachlor is a special herbicide for paddy fields with high selectivity. English common name: pretilachlor. Other names: Sofit. Chemical name: 2-chloro-N-(1-methyl-2-methoxyethyl)-N-(2-ethyl-6-methylphenyl)acetamide. Pretilachlor is a special herbicide for paddy fields with high selectivity. It is safe to rice and has a wide spectrum of weed control. Weed seeds absorb pesticides during germination, and the roots absorb poorly. Can only be used as pre-emergent soil treatment. [0003] Penoxsulam is a post-emergence herbicide developed by Dow AgroSciences in the United States. It is a triazolopyrimidine sulfonamide herbicide, which acts by inhibiting acetolactate synthase (ALS). effect. On Sept...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/22A01N43/90A01N47/36A01P13/00
Inventor 李冰清李玉洁
Owner 安徽圣丰生化有限公司
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