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A kind of bactericide composition and preparation and application thereof

A technology of fungicide composition and preparation, applied in the direction of fungicide, application, biocide, etc., to achieve the effects of low drug cost, good crop safety and good bactericidal effect

Active Publication Date: 2017-07-11
HUAZHONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There is no report about the compounding of pyrazole amide compound I and compound II and fludioxonil for the prevention and treatment of Botrytis cinerea

Method used

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  • A kind of bactericide composition and preparation and application thereof
  • A kind of bactericide composition and preparation and application thereof
  • A kind of bactericide composition and preparation and application thereof

Examples

Experimental program
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preparation example Construction

[0047] The preparation method of the above-mentioned emulsifiable concentrate preparation may include, for example, mixing and stirring each active component, solvent, co-solvent and emulsifier to form a uniform transparent oil phase to obtain an emulsifiable concentrate preparation.

[0048] Preferably, the composition of the emulsifiable concentrate preparation is 1-95% of active ingredient, 0-20% of co-solvent, 1-30% of emulsifier, and 100% of solvent.

[0049] The preparation method of the above-mentioned emulsifiable concentrate preparation may include, for example, mixing and stirring each active component, solvent, co-solvent and emulsifier to form a uniform transparent oil phase to obtain an emulsifiable concentrate preparation.

[0050] Preferably, the aqueous emulsion or microemulsion consists of 1-95% active ingredient, 1-30% emulsifier, 0-30% co-solvent, 1-30% solvent, and 0-10% antifreeze , Thickener 0-10%, water make up to 100%.

[0051] Preferably, the preparat...

preparation example 1

[0100] This preparation example is used to illustrate the preparation of suspending agent

[0101] Weigh 10% fludioxonil, 20% Y13149, 2% TERSPERSE 2500 (purchased from Huntsman, hereinafter the same), 3% TERSPERSE 4896 (purchased from Huntsman, hereinafter the same), 0.2% xanthan gum, 3% white carbon black, 5% ethylene glycol, 0.3% benzoic acid, 0.5% silicone defoamer (trade name: s-29 produced by Nanjing Sixin Applied Chemicals Company), and deionized water to 100%.

[0102] Preparation method: Mix the active ingredients, wetting agent, dispersant, antifreeze, etc. evenly, add to a sand mill and grind to a certain particle size, then filter. Then add the prepared xanthan gum and stir until uniform to obtain 30% fludioxonil-Y13149 suspension concentrate Y1.

preparation example 2

[0104] This preparation example is used to illustrate the preparation of suspending agent

[0105] Weigh 25% fludioxonil, 25% Y12196, 2% NNO (purchased from Shanghai Tiantan Auxiliary Co., Ltd., the same below), 2% TERSPERSE 2500, 0.1% xanthan gum, 3% white carbon black, 5% propylene glycol, Add 0.5% sodium benzoate, 0.5% silicone defoamer, and deionized water to 100%.

[0106] Preparation method: Mix the active ingredients, wetting agent, dispersant, antifreeze, etc. evenly, add to a sand mill and grind to a certain particle size, then filter. Then add the prepared xanthan gum and stir until uniform to obtain 50% fludioxonil-Y12196 suspension concentrate Y2.

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Abstract

The invention relates to the field of agricultural fungicides, and discloses a fungicide composition and preparation as well as applications thereof, in particular to a fungicide composition and preparation for preventing and treating Botrytis cinerea and applications thereof. The composition is a bactericidal composition containing fludioxonil and pyrazole amide compounds, and the weight ratio of fludioxonil to pyrazole amide compounds is 1:1000-1000:1. The pesticide preparation processed from the composition can be used for preventing and treating Botrytis cinerea, has both therapeutic and protective effects, has good synergistic effect, good bactericidal effect, can reduce the frequency of application, is safe for crops and other performance advantages.

Description

technical field [0001] The present invention relates to the field of agricultural fungicides, in particular to a fungicide composition and preparation and its application, in particular to a fungicide composition and preparation for preventing and treating Botrytis cinerea and its application. Background technique [0002] Botrytis cinerea is a common and difficult to control fungal disease of open field and protected crops. It is a low-temperature and high-humidity disease. period of high incidence of disease. Botrytis cinerea is caused by the infection of Botrytis cinerea, which is a fungal disease and can affect flowers, fruits, leaves and stems. Botrytis cinerea (Botrytiscinerea) is a broad-hosted gray mold disease that can cause more than 200 known plants (such as fruits, vegetables and flowers). It can not only infect field crops, but also affect the post-harvest stage cause huge losses. [0003] Fludioxonil (fludioxonil), the chemical name is 4-(2,2-difluoro-1,3-be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/56A01P3/00A01N43/36
Inventor 杨光富陈杰胡伟群
Owner HUAZHONG NORMAL UNIV