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A kind of dispersible oil suspension containing pyraclostrobin and mancozeb

A technology of pyraclostrobin and mancozeb, which is applied in the direction of fungicides, biocides, biocides, etc., and can solve the problem that mancozeb is prone to bottoming, stratification, active ingredients are easy to decompose and fail, and cannot Sanding and production problems, to achieve good dispersion, improve drug efficacy, and good control effect

Active Publication Date: 2016-11-30
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, most of the dispersible oil suspension concentrate pesticide products registered in the Ministry of Agriculture are herbicides for corn and wheat fields. The main problems that the prior art does not solve are: 1. The melting point of pyraclostrobin technical is low (63.7~65.2°C ), when the sanding temperature is too high for the production of dispersible oil suspension, the original drug dissolves to form a sticky substance, which makes it impossible to sand and produce, and the active ingredients are easy to decompose and fail; 2. The dispersible oil suspension is a thermodynamically unstable Stable system, over time, mancozeb is prone to changes such as bottoming and stratification; 3, pyraclostrobin and mancozeb are compounded into a dispersible oil suspension, the above two problems exist at the same time , more difficult

Method used

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  • A kind of dispersible oil suspension containing pyraclostrobin and mancozeb
  • A kind of dispersible oil suspension containing pyraclostrobin and mancozeb
  • A kind of dispersible oil suspension containing pyraclostrobin and mancozeb

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Experimental program
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Effect test

Embodiment 1

[0026] Weigh 5% pyraclostrobin, 50% mancozeb, 3% fatty alcohol polyoxyethylene ether, 5% polyoxyethylene polyoxypropylene block copolymer, 7% calcium dodecylbenzenesulfonate, Castor oil polyoxyethylene ether 3%, silica 1%, organic bentonite 1%, BHT 2%, methyl oleate make up 100%. The above raw materials are mixed and sand-milled with a sand mill until the particle size is less than 5 um to prepare 55% pyraclostrobin mancozeb dispersible oil suspension concentrate.

Embodiment 2

[0028] Weigh pyraclostrobin 10%, mancozeb 40%, fatty alcohol polyoxyethylene ether 3%, TERSPERSE 2020 5%, calcium dodecylbenzenesulfonate 5%, BY-110# 2%, spit Wen-60#3%, white carbon black 1%, magnesium aluminum silicate 1%, soybean oil make up 100%. The above raw materials are mixed and sand-milled with a sand mill until the particle size is less than 5um to prepare 50% pyraclostrobin mancozeb dispersible oil suspension concentrate.

Embodiment 3

[0030] Weigh 7% pyraclostrobin, 35% mancozeb, 3% alkylphenol polyoxyethylene ether phosphate, 5% polyoxyethylene polyoxypropylene block copolymer, calcium dodecylbenzenesulfonate 4%, Nongru 700# 3%, castor oil polyoxyethylene ether 2%, white carbon black 1%, organic bentonite 1%, BHT 2%, corn oil to make up 100%. The above raw materials are mixed and sand-milled with a sand mill until the particle size is less than 5um to prepare 42% pyraclostrobin mancozeb dispersible oil suspension concentrate.

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Abstract

The invention discloses a dispersible oil suspension containing pyraclostrobin and mancozeb, wherein pyraclostrobin is 3-40%, mancozeb is 5-60%, and emulsifier is 2-25%. , 2-15% dispersant, 1-8% wetting agent, 1-7% thickener, 1-5% antifreeze, 1-6% stabilizer, and the balance of dispersion medium. The composition of the invention is reasonable, the dosage form is environment-friendly, and compared with the existing single preparation, it not only has a good bactericidal effect, but also has a significant synergistic effect and is safe for crops. The invention has excellent control effects on cucumber downy mildew and apple anthracnose.

Description

technical field [0001] The invention relates to an agricultural fungicide, specifically a dispersible oil suspension composed of pyraclostrobin as the first active ingredient and mancozeb as the second active ingredient, and belongs to the technical field of pesticide compounding. Background technique [0002] Pyraclostrobin, also known as pyraclostrobin, English common name: Pyraclostrobin, chemical name: methyl (N)-[[[1-(4-chlorobenzene)pyrazol-3yl)-oxygen]-0 -methoxy]-N-methoxycarbamate. The melting point is 63.7-65.2°C. Pyraclostrobin is a methoxyacrylate fungicide, which mainly acts on the cytochrome bel complex in the mitochondrial respiratory chain of fungi, preventing electron transfer and thus inhibiting fungal growth. It can prevent all types of fungal pathogens, has a wide bactericidal spectrum, and is effective for various diseases of various crops, including wheat, grapes, fruit trees, and vegetables. It is mainly used to prevent and control grape powdery mild...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/24A01N25/04A01P3/00A01N47/14
Inventor 侯江利李明甫郑敬敏冯建雄马强张崇斌乌小瑜
Owner SHAANXI SUNGER ROAD BIO SCI
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