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Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl

A herbicidal composition, a technology for pyrifenac, which is applied in the field of mixed herbicidal compositions of bispyribac and pyrifenapyr, can solve the problem that the weeds in paddy fields cannot be completely and effectively controlled, the residual poisoning of current season crops or subsequent crops, The problem of large dosage of herbicides can achieve the effect of improving safety, improving efficacy and long-lasting effect.

Active Publication Date: 2012-05-23
NANJING HUAZHOU PHARMA
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] 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 pyriminobac-methyl
  • Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl
  • Mixed herbicide composition containing bispyribac-sodium and pyriminobac-methyl

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Embodiment 1

[0019] Bispyribac 5%, pyriflubac 5%, calcium dodecylbenzene sulfonate 5%, alkylphenol polyoxyethylene ether 3%, solvent oil to make up 100%, and the mass percentage of active ingredients is formulated according to the conventional preparation method 10% emulsifiable concentrate.

Embodiment 2

[0021] Bispyribac 10%, pyriflubac 10%, sodium methylnaphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 2%, water to 100 %, according to the conventional preparation method, it is formulated into a suspension concentrate with an active ingredient mass percent content of 20%.

Embodiment 3

[0023] 20% of bispyribac, 10% of pyriflubac, 5% of NNO (sodium methylene bis-naphthalene sulfonate), 2% of polyvinyl alcohol, and 100% of kaolin, according to the conventional preparation method, the mass percentage of active ingredients is 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 pyriminobac-methyl. The herbicide composition adopts the bispyribac-sodium and the pyriminobac-methyl as main active components, the weight ratio of the bispyribac-sodium and the pyriminobac-methyl is 1 to 99:1 to 99. The herbicide composition can prevent and get rid of annual gramineous weeds, broadleaf weeds and cyperaceous weeds in paddy fields, and 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, is safe for rice and next-stubble crops, and therefore is an ideal paddy field herbicide.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to the field of herbicides, and relates to a mixed herbicidal composition of bispyribac-fen and pyriflubac-fem. 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] Pyrifluben, also known as Bilibine. Chemical name: methyl 2-[(4,6-dimethoxypyrimidin-2-yl)oxy]-6-[1-(N-methoxyimino)ethyl]benzoate, the structural formula is: [0005] [0006] This herbicide is a s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01P13/00
Inventor 郭崇友陈金福卞小军陈新春沈海峰
Owner NANJING HUAZHOU PHARMA
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