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Sterilization composition containing thiram and dimethachlon, and preparation method thereof

A composition and technology of cleaning sclerotium, applied in the agricultural field, can solve the problems of pathogenic bacteria resistance, reduced control effect, failure, etc.

Inactive Publication Date: 2013-10-02
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] If the above two fungicides are used continuously for a long time, it is easy to cause the pathogenic bacteria to develop drug resistance, resulting in a gradual decrease in the control effect or even failure, which seriously affects the yield and quality of rapeseed.

Method used

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  • Sterilization composition containing thiram and dimethachlon, and preparation method thereof
  • Sterilization composition containing thiram and dimethachlon, and preparation method thereof
  • Sterilization composition containing thiram and dimethachlon, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] A bactericidal composition for preventing and treating Sclerotinia sclerotiorum, which consists of the mass fractions of the following raw materials:

[0049]

[0050] A preparation method of a bactericidal composition for preventing and treating rape sclerotinia, the steps are:

[0051] A. Weigh thiram powder and sclerotia net powder in the container according to the calculated dosage, and then add quantitative additives and carriers;

[0052] B. Fully mix various additives, thiram powder, sclerotia powder, carrier (filler), etc., and then pulverize it to a certain fineness (95% through a 320 mesh sieve) through an airflow powder machine to obtain a A fungicidal composition for preventing and controlling rapeseed sclerotinia.

[0053] After fully mixing various additives and fillers, they are pulverized by an airflow powder machine and mixed to obtain a 20% wettable powder product.

Embodiment 2

[0055] A bactericidal composition for preventing and treating Sclerotinia sclerotiorum, which consists of the mass fractions of the following raw materials:

[0056]

[0057] The preparation steps are the same as in Example 1. After fully mixing various additives and fillers, it is pulverized by an airflow powder machine (95% passes through a 320 mesh sieve), and mixed to obtain a 22% wettable powder product.

Embodiment 3

[0059] A bactericidal composition for preventing and treating Sclerotinia sclerotiorum, which consists of the mass fractions of the following raw materials:

[0060]

[0061] The preparation steps are the same as in Example 1. After fully mixing various additives and fillers, it is pulverized by an airflow powder machine (95% passes through a 320 mesh sieve), and mixed to obtain a 40% wettable powder product.

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Abstract

The invention discloses a sterilization composition containing thiram and dimethachlon, and a preparation method thereof. The composition comprises thiram original powder, dimethachlon original powder, auxiliary agents and a carrier according to a certain mass percentage. The preparation method comprises the following steps: 1, weighing thiram original powder and dimethachlon original powder according to the calculated amounts, adding the powders to a container, adding a certain amount of auxiliary agents and a carrier, and 2, completely and uniformly mixing the thiram original powder, the dimethachlon original powder, various auxiliary agents and the carrier, crushing through a jet mill to achieve 95%, and screening with a 320 mesh sieve to obtain a sterilization composition for sclerotinia sclerotiorum prevention and control. According to the present invention, a formula is reasonable, use is convenient, drug consumption is reduced, a prevention and control effect is good, drug resistance is not easily generated, the composition provides safety for rape, raw materials are easy to obtain, the method is simple, operations are convenient, a processing cost is low, and the composition is easily processed and produced by medium and small sized pesticide companies.

Description

technical field [0001] The invention belongs to the field of agricultural technology, and specifically relates to a bactericidal composition for preventing and treating rape sclerotinia, and also relates to a bactericidal composition containing thiram and sclerotinia and a preparation method of the bactericidal composition. The composition is suitable for preventing and treating sclerotinia The use of Sclerotinia sclerotiorum. Background technique [0002] Rapeseed is an important oil crop with traditional advantages in my country. The average annual rapeseed area in China is 7 million hectares. Sclerotias clerotiorum (Lib.) de Bary) is a worldwide fungal disease, mainly distributed in tropical and subtropical regions, with a wide range of hosts, including more than 400 species of plants in 75 families. The pathogen mainly damages rapeseed leaves , stems and pods, which occur in all rape producing areas in my country, and are most serious in the Yangtze River Basin and south...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/26A01P3/00A01N37/22
Inventor 周锋朱福兴张小磊李金丽梁宏杰
Owner HUAZHONG AGRI UNIV
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