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Agricultural bactericidal composition containing coumoxystrobin and prochloraz

A technology of syringate and prochloraz, applied in the directions of fungicides, biocides, applications, etc., can solve the problems of expansion and spread of diseases, reduction of fungal control effect, waste of pesticides, etc. Sexuality, good preventive effect

Inactive Publication Date: 2013-01-23
JILIN BADA PESTICIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, syringstrobin is a methoxyacrylate compound, and its mechanism of action is single. Long-term repeated use in the field may lead to selectivity of fungal strains in many cases. Strostrobin has reduced or even no effect on these fungi, resulting in the expansion and spread of diseases, crop yield reduction, and waste of pesticides

Method used

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  • Agricultural bactericidal composition containing coumoxystrobin and prochloraz
  • Agricultural bactericidal composition containing coumoxystrobin and prochloraz
  • Agricultural bactericidal composition containing coumoxystrobin and prochloraz

Examples

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Embodiment 1

[0029] Example 1 The invention provides an agricultural fungicidal composition containing syringstrobin and prochloraz, which contains active components A and B, component A is syringstrobin, component B is prochloraz, and the weight ratio of A to B is 1:40;

[0030] The structural formula of syringstrobin is as follows:

[0031] Ⅰ

[0032] Prochloraz (Thiophanate-Methyl), the chemical name is 1,2-bis(3-methoxycarbonyl-2-thioureido)benzene, and its structural formula is as follows:

[0033] Ⅱ 。

[0034] An agricultural bactericidal composition containing syringstrobin and prochloraz is prepared according to a conventional method, and two active components A and B are taken according to the above ratio, mixed, stirred, sheared, and ground to 200 mesh.

Embodiment 2

[0035] Example 2 An agricultural fungicidal composition containing syringstrobin and prochloraz, the weight ratio of A and B is 40:1; all the other are the same as in Example 1

Embodiment 3

[0036] Example 3 A kind of agricultural bactericidal composition containing syringstrobin and prochloraz, the weight ratio of described A and B is 1:20; All the other are with embodiment 1

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Abstract

The invention discloses an agricultural bactericidal composition containing coumoxystrobin and prochloraz, and the weight ratio of coumoxystrobin to prochloraz is 1: 40 to 40: 1. The composition weakens resistance of pathogenic fungus to coumoxystrobin and avoids pesticide effect reduction by combining two bactericides with different actions, i.e., methoxy methyl acrylate-based bactericide-coumoxystrobin and the prochloraz bactericide with good systemicity; and due to synergistic effect of two kinds of bactericides in the composition, the composition notably improves prevention and treatment effect to diseases, which is about 23% higher than sterilizing effect computed by a Colby formula. The observed sterilizing effect of the composition is more than 94.8%, which is about 15% higher than those of coumoxystrobin and prochloraz. The composition is manufactured to normal preparations, and has good sterilization, prevention and treatment effects to various fungal diseases of vegetables, fruit trees and rice.

Description

technical field [0001] The invention belongs to the field of agricultural chemical fungicides, in particular to an agricultural fungicidal composition containing syringstrobin and prochloraz. Background technique [0002] [0003] I [0004] The Chinese common name of the compound of formula Ⅰ is syringstrobin, chemical name: ( E )-methyl2-(2-((3-butyl-4-methyl-2-oxo-2 H -chromen-7-yloxy)methyl)phenyl)-3-methoxyacrylate ( E )-2-(2-((3-Butyl-4-methyl-coumarin-7-yloxy)methyl)phenyl)-3-methoxymethyl acrylate is a highly efficient broad spectrum of agricultural fungicides. Pathogens such as apple tree rot, rice blast, and cucumber powdery mildew have high antibacterial activity (Chinese Patent Application No. 200480020125.5). However, syringstrobin is a methoxyacrylate compound, and its mechanism of action is single. Long-term repeated use in the field may lead to selectivity of fungal strains in many cases. The control effect of strytostrobin on these fungi is reduced ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/16A01P3/00
Inventor 孙永吉张荣宝李占鳌
Owner JILIN BADA PESTICIDE
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