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A kind of fungicide composition and preparation and application thereof

A fungicide composition and composition technology, applied in the direction of fungicides, applications, biocides, etc., can solve the problems of crop leaves becoming smaller, brittle, and black, and achieve difficult resistance, significant effect, and good bactericidal effect Effect

Active Publication Date: 2017-12-15
HUAZHONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the medicine is used continuously for more than three times, it is very likely to cause the crop leaves to become smaller, hard, brittle, black and other phytotoxicity.

Method used

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

Examples

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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 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%.

[0049] Preferably, the preparation method of the water emulsion may include, for example, mixing the active ingredient, emulsifier, co-solvent and solvent to make it a uniform oil phase; mixing water, thickener, antifreeze, etc. to make it a uniform water phase. Mutually. Under high-speed shearing and stirring, add the water phase to the oil phase or add the oil phase to the water phase to form a water emulsion with good dispersibility.

[0050] Preferably, the microemulsion is prepared ...

preparation example 1

[0090] This preparation example is used to illustrate the preparation of water-dispersible granules

[0091] Weigh 20% Y13149, 40% tebuconazole, 3% TERSPERSE 2700 (purchased from Huntsman Company, the same below), 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate, purchased from Shanghai Tiantan Auxiliary Co., Ltd., the same below), 3% pull open powder BX (sodium dibutylnaphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 3% diatomaceous earth, 5% glucose, kaolin added to 100%.

[0092] Preparation method: The above-mentioned raw materials are mixed, pulverized by ultra-fine airflow, and granulated to prepare 60% Y13149-tebuconazole water-dispersible granules Y1.

preparation example 2

[0094] This preparation example is used to illustrate the preparation of water-dispersible granules

[0095] Weigh 20% Y13149, 20% difenoconazole, 3% TERSPERSE 2700, 3% diffusing agent NNO, 2% pull-off powder BX, 1% K-12, 1% carboxymethylcellulose, 3% urea, Celite was added to 100%.

[0096] Preparation method: 40% Y13149-difenoconazole water-dispersible granule Y2 is prepared by mixing the above raw materials, pulverizing by ultra-fine airflow, and granulating.

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PUM

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Abstract

The invention relates to the field of agricultural fungicides, and discloses a fungicide composition, preparation and application thereof. In particular, it relates to a fungicidal composition and preparation for preventing and treating rice sheath blight and applications thereof. The composition is a bactericidal composition containing a pyrazole amide fungicide and a triazole fungicide, and the triazole fungicide is selected from the group consisting of tebuconazole, difenoconazole, hexaconazole, and propiconazole one or more of. The pesticide preparation processed from the composition can be used to prevent and control rice sheath blight, has both therapeutic and protective effects, has good synergistic effect, and has the advantages of being safe to crops and the like.

Description

technical field [0001] The invention relates to the field of agricultural fungicides, in particular to a fungicide composition and preparation and applications thereof, in particular to a fungicide composition and preparation for preventing and treating rice sheath blight and applications thereof. Background technique [0002] Rice sheath blight is an important disease in rice production areas, and it is one of the three major diseases of rice in my country. It occurs in all rice production areas in the country, and it occurs more frequently in the Yangtze River Basin and southern rice areas. Occurrence is the most common and serious. It is mainly caused by Rhizoctonia solani, a fungus subphylum, and the disease spreads from bottom to top. When it is severe, it can affect the flag leaves and even the ears, and large areas will fall. In the fields with severe disease, the yield is generally reduced by 5-10%, and it can reach 50-70% in severe cases. With the popularization of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01P3/00C07D231/14A01N43/56
Inventor 杨光富陈杰胡伟群
Owner HUAZHONG NORMAL UNIV
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