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Germicide composition for preventing and treating botrytis

A composition and technology for downy mildew, applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve problems such as unfavorable drug efficacy, low effect of resistant bacteria, and improvement

Inactive Publication Date: 2005-09-28
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, flumorph has a high therapeutic effect on downy mildew, but the price is high; Dimethocarb has a high therapeutic effect on resistant Botrytis cinerea, but has a low effect on low-resistant bacteria
Dimethomorph and pyrimethanil have the characteristics of moderate control cost and low resistance in the prevention and treatment of downy mildew and gray mold, but both have the disadvantage of not being able to treat both diseases at the same time, and as systemic therapeutic agents, Compared with contact-based protective agents, drug resistance is more likely to develop, and the use of a single agent is not conducive to further improvement of drug efficacy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: the bactericidal composition (wettable powder) of 20% control gray downy mildew

[0019] Dimethomorph 5%

[0020] Pyrimethanil 5%

[0021] Phiram 10%

[0022] Sodium dodecylbenzenesulfonate 1.5%

[0023] NNO 2.5%

[0024] Sodium lignosulfonate 3%

[0025] Clay margin

Embodiment 2

[0026] Embodiment 2: the fungicidal composition (wettable powder) of 66% control gray downy mildew

[0027] Dimethomorph 6%

[0028] Pyrimethanil 20%

[0029] Phiram 40%

[0030] JFC 2%

[0031] NNO 3%

[0032] Diatomaceous earth balance

Embodiment 3

[0033] Embodiment 3: the bactericidal composition (wettable powder) of 60% control gray downy mildew

[0034] Dimethomorph 5%

[0035] Pyrimethanil 30%

[0036] Phiram 25%

[0037] Sodium dodecylbenzenesulfonate 1.5%

[0038] MF 3.5%

[0039] Sodium lignosulfonate 3%

[0040] Azone 1.5%

[0041] Light calcium carbonate balance

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PUM

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Abstract

The germicide composition for preventing and treating botrytis is re-compounded with dimethomorph 5-20 wt%, pyrimethanil 5-30 wt% and thiram 10-40 wt%. It may be prepared into wettable powder or suspension. The germicide composition is used in preventing and treating botrytis and downy mildew of grain crop, cotton, fruit, vegetable, etc. and the re-compounding of different germicide components with different action mechanisms and modes results in effectively lowered applied amount of the components, expanded germicidal spectrum and delayed resistance of plant germ.

Description

Technical field: [0001] The invention relates to a compound pesticide, in particular to a fungicide compounded by dimethomorph, pyrimethanil and thiram. Background technique: [0002] Botrytis cinerea and downy mildew are frequent diseases of some economic crops (such as grapes, strawberries, etc.) and vegetables in protected areas, often causing a large reduction or even extinction of crops. Conventional pesticides such as carbendazim, fosmocarb, etc. have been unable to effectively control this type of disease, and some original high-efficiency varieties such as metalaxyl, iprodione, propamocarb, and diethofencarb, etc. have increased the resistance of crops due to frequent use of large doses , the control effect on botrytis and downy mildew is getting worse and worse. And these medicaments can't control botrytis and downy mildew two kinds of diseases simultaneously. In recent years, studies have found that the pathogenic bacteria of the two diseases often parasitize on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/26
Inventor 建方方许良忠焦奎
Owner QINGDAO UNIV OF SCI & TECH
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