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Weedicide composition and use thereof

A composition and herbicide technology, applied in the direction of herbicide and algicide, application, biocide, etc., can solve the problems of general control effect and inability to achieve weeding effect

Active Publication Date: 2011-02-09
北京颖泰嘉和分析技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above three herbicides used alone have a general control effect on annual and perennial broad-leaved weeds and grass weeds in paddy fields, and cannot achieve the optimal herbicidal effect.

Method used

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  • Weedicide composition and use thereof
  • Weedicide composition and use thereof
  • Weedicide composition and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Embodiment 1 contains the emulsifiable concentrate of 0.3% active ingredient

[0062] Add 0.5 g of mefenpyramid, 1 g of cyhalofop-methyl, 1.5 g of dithiopyr, 50 g of nonylphenol polyoxyethylene ether (7), 50 g of fatty alcohol polyoxyethylene ether, and 100 xylene to 1 kg, Mix to dissolve into a homogeneous oily phase.

Embodiment 2

[0063] Embodiment 2 contains the emulsifiable concentrate of 0.3% active ingredient

[0064] Add 1.5g of mefenpyramid, 1g of cyhalofop-methyl, 0.5g of dithiopyr, 40g of fatty amine polyoxyethylene ether, 40g of laurate polyoxyethylene ether, and xylene to 1kg, mix and dissolve into a uniform oil Mutually.

Embodiment 3

[0065] Embodiment 3 contains the emulsifiable concentrate of 50% active ingredient

[0066] 160g of mefenpyramid, 160g of cyhalofop-methyl, 180g of dithiopyr, 50g of calcium dodecylbenzenesulfonate, 50g of fatty alcohol polyoxyethylene ether (20), monooleamide polyoxyethylene sulfo Disodium succinate 50g, oleic acid 10g, solvent naphtha No. 200 make up to 1kg, mix and dissolve to form a uniform oil phase.

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Abstract

The invention relates to a weedicide composition, which comprises the following active ingredients in part by weight: 1 to 99 parts of metamifop, 1 to 99 parts of cyhalofop butyl ester and 1 to 99 parts of dithiopyr. The invention also relates to the use of the weedicide composition in the prevention and control of ephemeral and perennial broadleaf weed and gramineous weed in rice fields. The weed control effect of the weedicide composition of the invention is much higher than that of a signal preparation and the synergetic effect of the weedicide composition is very good; the usage amount ofthe medicinal preparation is reduced, so the medicinal cost of peasants as well as influences on the environmental are reduced; meanwhile, the weed-killing spectrum is broadened and the generation and development of resistance to the signal preparation are delayed effectively.

Description

technical field [0001] The invention relates to the field of agricultural herbicides, in particular to a herbicide composition containing three active ingredients of fenpyramid, cyhalofop-methyl and dithiopyr and its application. Background technique [0002] Metamifop is an aryloxyphenoxy ester (AOPP) herbicide, which can inhibit ACC enzyme and promote plant fatty acid synthesis. As an acetyl coenzyme A carboxylase (ACCase) inhibitor, it can control most annual grass weeds very well. Unlike most AOPP herbicides, fenpyramid is safe for rice and can Effectively control the main weeds in paddy fields, such as barnyardgrass, stephenia, crabgrass and goosegrass, and are mainly used for weeding in transplanted and direct-seeded paddy fields. [0003] Cyhalofop-ethyl is the only aryloxyphenoxypropionic acid herbicide with high safety to rice. Cyhalofop-ethyl is also a systemic conductive herbicide, which is absorbed by the leaves and leaf sheaths of plants, conducts in the phloe...

Claims

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Application Information

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IPC IPC(8): A01N39/04A01P13/00A01N43/40A01N43/76
Inventor 路军占玉萍薛进春张聪张宁詹福康
Owner 北京颖泰嘉和分析技术有限公司
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