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Agricultural bactericidal composition containing coumoxystrobin and pyrimethanil

A technology for syringostrol and pyrimethanil is applied in the field of agricultural bactericidal compositions containing syringylstrobin and pyrimethanil. , to avoid reducing the efficacy of the drug, weakening the effect of resistance

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. The control effect of esters on these fungi is reduced or even ineffective, 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 pyrimethanil
  • Agricultural bactericidal composition containing coumoxystrobin and pyrimethanil
  • Agricultural bactericidal composition containing coumoxystrobin and pyrimethanil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1 An agricultural fungicidal composition containing syringstrobin and pyrimethanil, containing active components A and B, component A is syringstrobin, component B is pyrimethanil or mancozeb, the weight of A and B The ratio is 1:40;

[0027] The structural formula of syringstrobin is as follows:

[0028] Ⅰ

[0029] Pyrimethanil, the chemical name is (2RS,3SR)-1-[3-(2-chlorophenyl)-2,3-oxo-2-(4-fluorophenyl)propyl]-1H -1,2,4-triazole, the structural formula is as follows:

[0030]

[0031] The bactericidal composition of the present invention is prepared according to a conventional method. According to the above ratio, two active components A and B are taken, mixed, stirred, sheared, and ground to 200 mesh.

Embodiment 2

[0032] Example 2 An agricultural fungicidal composition containing syringstrobin and pyrimethanil, containing active components A and B, component A is syringstrobin, component B is pyrimethanil, and the weight ratio of A to B is 40:1 ; All the other are with embodiment 1.

Embodiment 3

[0033] Example 3 An agricultural fungicidal composition containing syringstrobin and pyrimethanil, containing active components A and B, component A is syringstrobin, component B is pyrimethanil, and the weight ratio of A to B is 1:20 ; All the other are with embodiment 1.

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PUM

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Abstract

The invention discloses an agricultural bactericidal composition containing coumoxystrobin and pyrimethanil. According to the agricultural bactericidal composition, two bactericides with different mechanisms of action are mixed, namely the novel bactericide coumoxystrobin of strobilurin fungicide is compounded and mixed with the pyrimethanil with good uptake and transmission properties, the resistance of pathogenic fungus on coumoxystrobin is weakened, and the reduction of efficacy caused by the resistance is avoided; and with the synergistic effect of different bactericides, the prevention effect of the composition provided by the invention to diseases is remarkably improved. The observed bactericidal efficiency of the composition is higher than the bactericidal efficiency predicated by a Colby formula by about 22% in average; and the observed bactericidal efficiency of the composition can reach 96.58%, is higher than that of coumoxystrobin by 23.63% and is higher than that of pyrimethanil by 25.28%. The agricultural bactericidal composition containing coumoxystrobin and pyrimethanil has good bactericidal effect on diseases such as powdery mildew, seedling rot infection and early spot infection of crops such as cucumber, peanut and beet.

Description

[0001] Technical field [0002] The present invention belongs to the field of agricultural chemical sterilizers, which specifically involves an agricultural sterilizer composition containing agaracrobacter ester and pyromamine. Background technique [0003] Ⅰ [0004] The Chinese general name of the type I compound is Clasine, chemical name: ( E ) -2- (2- (((3-butadya-4-methyl-incense-7-7-base oxygen) benzyl) -3-methoxy acrylic, ( E ) -Methyl2- (2- ((3-bityl-4-methyl-2-exo-2 H -Chromen-7-yloxy) Methyl) Phenyl) -3-Methoxyacrylate.It is an efficient broad -spectrum agricultural bactericidine.Relieves, rotten diseases, rice plague, tomato mildew, wheat giant mold, cucumber black star disease, tomato anthracnose, cucumber withered, rice pattern blight, rice evil seedlings, rice evil seedlings, rice fryDiseases, wheat white powder, cucumber white powder, cucumber frosty mold, wheat pattern blight, cucumber gray mold, banana gray patterns and other pathogens have high bacteriostatic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N43/16A01P3/00
Inventor 孙永吉张荣宝程云鹏
Owner JILIN BADA PESTICIDE
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