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Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron

A herbicidal composition, flubisulfuron-methyl 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 herbicide dosage, etc. Reduced resistance generation speed, increased drug efficacy, and long-lasting effect

Active 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

[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 flucetosulfuron
  • Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron
  • Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron

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Effect test

Embodiment 1

[0019] Bispyribac ether 5%, flubisulfuron-methyl 5%, calcium dodecylbenzenesulfonate 5%, alkylphenol polyoxyethylene ether 3%, solvent oil to make up 100%, and the active ingredient mass is prepared according to the conventional preparation method. 10% emulsifiable concentrate.

Embodiment 2

[0021] Bispyribac 10%, flubisulfuron 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

[0023] Bispyribac 20%, flubisulfuron 40%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, polyvinyl alcohol 2%, kaolin to 100%, according to the conventional preparation method to prepare the active ingredient mass percentage It is 60% water dispersible granules.

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Abstract

The invention relates to a mixed herbicide composition containing bispyribac-sodium and flucetosulfuron, belonging to the field of pesticide. The herbicide composition takes the bispyribac-sodium and the flucetosulfuron as main effective ingredients; and a mass ratio of the ispyribac-sodium and the flucetosulfuron is 1-99:1-99. Different surfactants, thickening agents, solvents or solid filler and the like can be added to, the herbicide composition so as to be processed into a plurality of dosage forms such as missible oil, suspending agent, water dispersible granule, wettable powder and the like. The herbicide composition can prevent and eliminate gramineae weeds, sedge weeds and broadleaf weeds in paddy fields; compared with a single agent, under the premise of improving the drug effect, the herbicide composition delays resistibility of the weeds, has a wide weeding spectrum and a long lasting period, is safe to rice and succeeding crops, and is an ideal herbicide for the paddy fields.

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 containing bispyribac and flubisulfuron-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] Flubisulfuron, also known as Han Lefu. Chemical name: 1-(4,6-dimethylpyrimidin-2-yl)-3-[2-fluoro-1-(methoxyacetoxy)propyl-3-pyridinesulfonyl]urea, the structural formula is : [0005] [0...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/54A01P13/00
Inventor 王红明陈金福刘奎涛陈新春邢平
Owner NANJING HUAZHOU PHARMA
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