Mixed herbicide composition containing bispyribac-sodium and prometryn

A herbicidal composition, proturon technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problem of incomplete and effective control of weeds in paddy fields, current season crops or subsequent stubble Crop residue toxicity, large herbicide dosage and other problems, to achieve the effect of improved safety, improved 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 prometryn
  • Mixed herbicide composition containing bispyribac-sodium and prometryn
  • Mixed herbicide composition containing bispyribac-sodium and prometryn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 5% of bispyribac, 20% of promethazine, 5% of calcium dodecylbenzenesulfonate, 3% of alkylphenol polyoxyethylene ether, 100% of solvent oil, formulated according to the mass percentage of active ingredients according to the conventional preparation method 25% emulsifiable concentrate.

Embodiment 2

[0022] Bispyribac 10%, promethon 20%, sodium methylnaphthalenesulfonate 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 prepared into a suspension concentrate with an active ingredient mass percent content of 30%.

Embodiment 3

[0024] 20% of bispyribac, 40% of promethon, 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 60% 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 prometryn. The herbicide composition adopts the bispyribac-sodium and the prometryn as main active components, the weight ratio of which is 0.1 to 99:0.1 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 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 containing bispyribac and promethazone. The herbicidal composition has a remarkable effect of weeding after the rice field is applied. 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] Fluttering grass net, also known as fluttering vines, is good for mowing grass and clearing for fire. Chemical name: 4,6-bisisopropylamino-2-methylthio-1,3,5-triazine, structural formula: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/70A01N43/54A01P13/00
Inventor 郭崇友陈叶青彭永强张宝俊齐武
Owner NANJING HUAZHOU PHARMA
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