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Compound bactericide for preventing and treating vegetable oomycetes diseases and preparation thereof

A technology of compounding fungicides and fungicides, applied in the field of pesticides, can solve problems such as decline in control effects, generation of drug resistance, increase in application amount, etc., and achieve the effects of multiple action sites, delayed occurrence and development, and low cost

Inactive Publication Date: 2011-03-23
INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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AI Technical Summary

Problems solved by technology

Frequent use of the same fungicide for a long period of time, random increase in the application rate, and late application of the drug will lead to the development of drug resistance and the decline in the control effect. Therefore, there is an urgent need to develop new fungicides and their mixtures in agricultural production

Method used

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Examples

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Embodiment Construction

[0026] A compound fungicide for preventing and treating vegetable oomycete diseases, which is composed of active ingredients, fillers and / or auxiliary agents, wherein the active ingredients are composed of carboxylic acid amide fungicides and methoxy Composition of acrylate fungicides.

[0027] The weight ratio of the carboxylic acid amide fungicide to the methoxyacrylate fungicide is preferably 1-10:1-10.

[0028] The carboxylic acid amide fungicide is one or a mixture of dimethomorph, mandipropamid, iprocalid and flumorph.

[0029] Methoxy acrylate fungicides are azoxystrobin, pyraclostrobin, phenoxystrobin, enoxastrobin, fluoxastrobin, azoxystrobin, enoxastrobin, pyraclostrobin, and fludiostrobin One or more mixtures of esters and syringstrobin.

[0030] In this example, the carboxylic acid amide fungicide is preferably dimethoxystrobin, the methoxyacrylate fungicide is preferably azoxystrobin, and the weight ratio of dimethomorph and azoxystrobin is 1:0.1 ~5.

[0031] ...

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Abstract

The invention relates to a pesticide, in particular to a compound bactericide for preventing and treating vegetable oomycetes diseases and a preparation thereof. The compound bactericide for preventing and treating the vegetable oomycetes diseases contains active ingredients, packing and / or auxiliaries, wherein the active ingredients contain carboxylic acid amide bactericide and methoxyl crylic acid ester bactericide with the weight proportion of 1 to 100:1 to 100. The preparation of the compound bactericide comprises wettable powder and water dispersed granule. The compound bactericide for preventing and treating the vegetable oomycetes diseases and the preparation thereof simultaneously have the advantages of good quick action property and effect lasting property, multiple action points of drugs, wide disease prevention spectrum and high biological safety, and can effectively delay the occurrence and the growth of the drug resistance of oomycetes. The compound preparation has the advantages of simple preparation process, low cost and obvious economic benefit.

Description

technical field [0001] The invention relates to a pesticide, in particular to a compound bactericide and a preparation thereof for preventing and treating vegetable oomycete diseases. Background technique [0002] Phytophthora, downy mildew, Pythium and other oomycetes can cause damping-off, cotton rot, blight, cotton blight, downy mildew and root rot of vegetables, endangering the main vegetables of Brassicaceae, Solanaceae and Cucurbitaceae , resulting in a sharp reduction in production or even a failure of harvest. Chemical control is the main control method of oomycete disease and an important guarantee for high yield of vegetables. Fungicides for the control of vegetable oomycete diseases can be divided into protective fungicides and systemic fungicides. Protective fungicides have the advantages of wide bactericidal spectrum and less resistance to oomycetes, but they can only be used before or at the beginning of disease occurrence, and are ineffective against pathoge...

Claims

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Application Information

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IPC IPC(8): A01N43/84A01N43/54A01N47/12A01N37/36A01N47/24A01N37/50A01N43/88A01N43/56A01N43/16A01P3/00
Inventor 王文桥孟润杰韩秀英张小风马志强
Owner INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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