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Hybrid weeding composite containing Bispyribac-sodium and oxadiargyl

A herbicidal composition, the technology of oxadiazone, is applied in the directions of herbicides, algaecides, biocides, animal repellants, etc., and can solve the problem that weeds in paddy fields, current crops or Residual poisoning of subsequent crops, large dosage of herbicides, etc., to achieve the effects of improved safety, improved efficacy, and 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

[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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  • Hybrid weeding composite containing Bispyribac-sodium and oxadiargyl
  • Hybrid weeding composite containing Bispyribac-sodium and oxadiargyl
  • Hybrid weeding composite containing Bispyribac-sodium and oxadiargyl

Examples

Experimental program
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Effect test

Embodiment 1

[0019] Bispyribac ether 5%, propargyl oxadiazone 20%, calcium dodecylbenzene sulfonate 5%, alkylphenol polyoxyethylene ether 3%, solvent oil to make up 100%, and the mass of active ingredients is formulated according to conventional preparation methods The percentage content is 25% emulsifiable concentrate.

Embodiment 2

[0021] Bispyribac ether 10%, propargyl oxadiazone 20%, sodium methylnaphthalene sulfonate 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 suspension concentrate with an active ingredient mass percent content of 30%.

Embodiment 3

[0023] 20% of bisbiben, 60% of propargyl oxadiazone, 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 Water-dispersible granules with a content of 80%.

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Abstract

The invention belongs to the technical field of the pesticide, in particular to the field of herbicide. The invention relates to a hybrid weeding composite containing Bispyribac-sodium and oxadiargyl. The hybrid weeding composite takes the Bispyribac-sodium and the oxadiargyl as main effective ingredients with the mass ratio of (1-99):(1-99). The weeding composite can be used for preventing and removing paddy field grass family weeds, broad leaf weeds and cyperaceae weeds. On the premise of improving pesticide effect, the weeding composite can delay weed resistance, has the advantages of wide weeding spectrum and long effect lasting period if being compared with a single agent, is safe to the paddy and next batch of crop and is an ideal paddy field pesticide.

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 oxadiazone propargyl. 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] Propylyl oxadiazone, also known as Daostar, chemical name: 5-tert-butyl-3-(2,4-dichloro-5-propargyloxy)phenyl)-1,3,4 oxadiazole -2-(3H)-ketone, the structural formula is: [0005] [0006]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/824A01N43/54A01P13/00
Inventor 齐武彭永强郭崇友陈金福
Owner NANJING HUAZHOU PHARMA
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