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Bactericide composition containing coumoxystrobin with synergistic effect

A syringate, synergistic technology, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of the expansion and spread of diseases, the single mechanism of action, and the reduction of fungal control effects, so as to reduce the generation of drug resistance and the control effect. Increases and decreases resistance effects

Inactive Publication Date: 2015-03-25
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 with a single mechanism of action. Long-term repeated use in field applications may lead to selectivity of fungal strains in many cases, and the strains form adaptive resistance to syringstrobin, resulting in The control effect of syringstrobin against these fungi is reduced or even ineffective, causing the disease to expand and spread, crop yield reduction, and pesticide waste

Method used

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  • Bactericide composition containing coumoxystrobin with synergistic effect
  • Bactericide composition containing coumoxystrobin with synergistic effect
  • Bactericide composition containing coumoxystrobin with synergistic effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] 1% (w / w) suspension concentrate of syringstrobin and wisterin, the weight ratio of syringstrobin and wisterin is 1:1;

[0047]

[0048]

[0049] The various components are mixed together, stirred for 15 minutes, sheared for 15 minutes, and ground for 150 minutes in a sand mill at 30°C until the particle size of the active ingredient is less than 3 μm.

Embodiment 2

[0051] 90% (w / w) wettable powder of syringstrobin and metham, the weight ratio of syringstrobin and methamine is 40:1;

[0052]

[0053] Put various materials into the coulter mixer in turn, mix evenly, and then pulverize with a jet mill until the particle size of the active ingredient is less than 45 μm.

Embodiment 3

[0055] 10% (w / w) syringstrobin and fluoroamide water dispersible granules, the weight ratio of syringstrobin and fluoroamide is 20:1;

[0056]

[0057] The preparation method of the water-dispersible granule of the composition of the present invention: take the above-mentioned raw materials according to the formula, mix them evenly in a coulter mixer, and pulverize them into a powder through an ultra-fine airflow mill to obtain a fine powder of 800 mesh to 1000 mesh, and the obtained fine powder The aqueous solution of the powder and the binder is added into a mixer and mixed evenly, granulated by an extrusion granulator, and dried at a low temperature at 50°C-100°C to obtain the product.

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PUM

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Abstract

The invention provides a bactericide composition containing coumoxystrobin with a synergistic effect. The bactericide composition comprises a component A, coumoxystrobin, and components B such as carboxin, mepronil, flutotanil and benodanil, wherein a weight ratio of the component A to the components B is 1:40 to 40:1. Two types of bactericides with different action mechanisms are combined. According to the composition, the resistance of pathogenic fungi on coumoxystrobin is weakened or delayed, and the condition that the drug effect is reduced is avoided. Meanwhile, because the composition formed by different types of fungicides has a synergistic effect, the composition disclosed by the invention has the effect of obviously improving the disease control effect. The composition can be prepared into conventional dosage forms and is used for controlling apple tree canker, rice blast, wheat scab, wheat powdery mildew and the like. According to the composition disclosed by the invention, the observed effect of the composition is higher than the expected effect obtained by using a Colby formula by 137.37-181.80 percent, and is higher than that of a single dosage by one or more times.

Description

technical field [0001] The invention belongs to the field of agricultural chemical fungicides, and in particular relates to a composition containing syringstrobin and a synergistic effect, wherein the synergistic fungicides are wisterin, promethamine, flunamide, mistazol, One of mefuramide, boscalid, furamet, pethiamide and fluopyram. Background technique [0002] The chemical name of syringstrobin is (E)-2-(2-((3-butyl-4-methyl-coumarin-7-yloxy)methyl)phenyl)-3-methoxy Methyl acrylate, the structural formula is as follows: [0003] [0004] Syringstrobin is an efficient and broad-spectrum agricultural fungicide. Rapeseed sclerotinia, apple tree rot, rice blast, tomato leaf mold, wheat head blight, cucumber scab, tomato anthracnose, cucumber wilt, apple ring spot, rice sheath blight, rice bad seedlings Pathogens such as wheat powdery mildew, cucumber powdery mildew, cucumber downy mildew, wheat sheath blight, cucumber gray mold, and banana gray spot have very high anti...

Claims

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Application Information

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IPC IPC(8): A01N43/32A01N43/16A01N43/40A01N43/56A01P3/00A01N37/22A01N37/24A01N43/08
Inventor 孙永吉肖刚张荣宝
Owner JILIN BADA PESTICIDE
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