Mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl

A herbicidal composition, cyhalofop-ethyl technology, applied in the field of pesticides, can solve the problems of incomplete and effective control of weeds in paddy fields, residual toxicity of current crops or subsequent crops, large amount of herbicides, etc., and achieve the control effect Significant, improved control effect, long-lasting effect

Inactive Publication Date: 2012-05-23
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Uniformity is also likely to cause residual toxicity to current crops or subsequent crops

Method used

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  • Mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl
  • Mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl
  • Mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl

Examples

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Effect test

Embodiment 1

[0020] 5% bispyribac, 5% cyhalofop-methyl, 5% calcium dodecylbenzenesulfonate, 3% alkylphenol polyoxyethylene ether, and 100% solvent oil, prepared according to the conventional preparation method to make active ingredients with a mass of 100%. 10% emulsifiable concentrate.

Embodiment 2

[0022] Bispyribac 10%, cyhalofop-methyl 5%, sodium methylnaphthalenesulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 2%, water to 100%, according to conventional preparation methods, it is prepared into a suspending agent with an active ingredient mass percent content of 15%.

Embodiment 3

[0024] 20% of bispyribac, 10% of cyhalofop-methyl, 5% of NNO (sodium methylene bis-naphthalene sulfonate), 2% of polyvinyl alcohol, and 100% of kaolin, prepared according to the mass percentage of active ingredients according to conventional preparation methods 30% water dispersible granules.

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Abstract

The invention belongs to the field of pesticides, and relates to a mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl. The herbicide composition adopts the bispyribac-sodium and the cyhalofop-butyl as main active components, the weight ratio of the bispyribac-sodium and the cyhalofop-butyl is 1 to 99:1 to 99, and the herbicide composition is mainly applied to postemergence weeding in paddy fields, and particularly can prevent and get rid of annual gramineous weeds, broadleaf weeds and cyperaceous weeds in paddy fields. Compared with single agents, the herbicide composition delays the resistance of weeds under the premise that the pesticide effect is enhanced, has a broad weeding spectrum and long persistence period and is safe for rice and next-stubble crops.

Description

technical field [0001] This patent belongs to the field of pesticides, especially the field of herbicides, and relates to a mixed herbicidal composition of bispyribac-fen and cyhalofop-methyl. The herbicidal composition can be used for post-emergence weeding in paddy fields. Background technique [0002] Bispyribac, also known as Nongmeili, bispyrimidine salicylate, chemical name: 2,6-bis(4,6-dimethoxypyrimidinyl-2-oxyl)sodium benzoate. It is a phenoxycarboxylic acid herbicide, which mainly inhibits the synthesis of acetic acid through roots and leaves and hinders the biosynthesis of branched chain amino acids. It is a selective herbicide and is used in direct-seeding rice fields with a wide weeding spectrum. Its structural formula is as follows: [0003] [0004] The medicament is a benzoic acid compound, and is a highly active ALS inhibitor with high efficiency, broad spectrum and extremely low dosage. Effectively control barnyardgrass and other gramineous weeds in r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N39/04A01P13/00
Inventor 杨寿海苑志军高瑞花杨瑞成齐武
Owner NANJING HUAZHOU PHARMA
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