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Method for degrading drug resistance of gram negative plant pathogenic bacteria to zinc thiazole

A phytopathogenic bacteria, Gram-negative technology, applied in the field of pesticide application, can solve the problems of increasing environmental risks, not conducive to the goal of zero growth in pesticide use, increasing the dosage of thiazole zinc and control costs, etc.

Inactive Publication Date: 2017-07-21
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Actual pesticide experience has shown that repeated and exclusive application of thiazole zinc active compounds to prevent and control crop bacterial diseases caused by Gram-negative bacteria will lead to rapid selection of strains, increase the dosage of thiazole zinc and control costs, and increase environmental risks , is not conducive to the realization of my country's goal of zero growth in pesticide use

Method used

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  • Method for degrading drug resistance of gram negative plant pathogenic bacteria to zinc thiazole
  • Method for degrading drug resistance of gram negative plant pathogenic bacteria to zinc thiazole
  • Method for degrading drug resistance of gram negative plant pathogenic bacteria to zinc thiazole

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Experimental program
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Effect test

Embodiment 1

[0031] Embodiment 1: The dosage form of water-dispersible granules is composed by weight percentage: 0.01-30% of zinc thiazole, 0.01-20% of polyhexamethylene biguanide hydrochloride, 0.1-12% of dispersant, and 0.1-11% of disintegrant , Wetting agent 0.1 ~ 7%, solid carrier supplemented to 100%. The specific production steps are as follows: mix the active ingredients and other additives evenly, pulverize them with an ultra-fine airflow pulverizer, knead them, and then add them to a fluidized bed granulator dryer for granulation, drying, and screening to obtain the corresponding weight hundred content of water-dispersible granules.

Embodiment 2

[0032] Embodiment 2: The wettable powder dosage form is composed by weight percentage: 0.01-30% of zinc thiazole, 0.01-20% of polyhexamethylene biguanide hydrochloride, 0.1-12% of dispersant, 0.1-14% of wetting agent, solid Vehicle complemented to 100%. The specific production steps are: mixing active ingredients and other additives, mechanically crushing, and then airflow crushing, and mixing uniformly to obtain a wettable powder with a corresponding weight percentage.

Embodiment 3

[0033] Embodiment 3: The dosage form of water suspension is composed by weight percentage: 0.1-30% of zinc thiazole, 0.1-20% of polyhexamethylene biguanide hydrochloride, the total active ingredient content is not more than 40%, and 0.2-15% of dispersant , Wetting agent 0.2-13%, thickener 0.1-1%, antifreeze agent 0.1-3%, and deionized water carrier make up to 100%. The specific production steps are: mixing the active ingredients and other additives, dispersing by high-speed shearing, and sanding in a sand mill to form a highly dispersed and stable suspension system in an aqueous medium to obtain a suspension with a corresponding weight percentage. agent.

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Abstract

The invention discloses a method for reducing drug resistance of Gram-negative plant pathogenic bacteria to thiazole zinc. The mass fraction ratio of thiazole zinc to polyhexamethylene biguanide hydrochloride is 1:0.02-20. Zinc thiazole is used together with polyhexamethylene biguanide hydrochloride or bromothalonil as active ingredients to prevent and control bacterial diseases caused by Gram-negative plant pathogenic bacteria. Improve plant immunity and control effect.

Description

technical field [0001] The invention relates to a method for reducing the drug resistance of gram-negative plant pathogenic bacteria to thiazole zinc, which comprises using thiazole zinc and polyhexamethylene biguanide hydrochloride as active ingredients to prevent and treat gram-negative plants The invention relates to bacterial diseases caused by pathogenic bacteria and belongs to the technical field of pesticide application. Background technique [0002] Zinc thiazole, its chemical name is 2-amino-5-mercapto-1,3,4-thiadiazole zinc, the structure of zinc thiazole is composed of two groups for sterilization, one is the thiazole group, which is harmless to bacteria outside the plant Inhibition, but it is a highly effective therapeutic agent in plants. The bacteria are severely damaged in the porous ducts of the plant, and their cell walls are thinned and then disintegrated, resulting in the death of the bacteria; the second is zinc ions, which have both fungicidal and Bacte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/44A01N43/824A01P1/00A01P21/00
CPCA01N47/44A01N43/82
Inventor 王礼文陈佛祥吴泽伟朱刚张志伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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