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A kind of plant fungicide composition, fungicide and application thereof

A plant sterilization and fungicide technology, applied in the directions of fungicides, plant growth regulators, applications, etc., can solve the problems of restricted use of pyrimethamine sulfonate, shortened storage time, instability, etc., to reduce pesticide residues and environmental problems. Effects of contamination, uniformity of texture, cost reduction in production and use

Active Publication Date: 2022-03-11
侨昌现代农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, pyrithrimol sulfonate and 4-chloro-2-(1,1-dimethylethyl)-5-[[[4-(1,1-dimethylethyl)phenyl]methanol During the compounding process of base]thio base]-3(2H)-pyridazinone, it is very prone to instability, which leads to a greatly shortened storage time and limits the use of pyridilsulfonate

Method used

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  • A kind of plant fungicide composition, fungicide and application thereof
  • A kind of plant fungicide composition, fungicide and application thereof

Examples

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preparation example Construction

[0058] When the dosage form of the fungicide is a water suspension, the preparation method of the fungicide comprises: placing xanthan gum in a solvent, stirring for 10 minutes, adding a plant fungicide composition, a dispersant and magnesium aluminum silicate and mixing to obtain the finished product.

[0059] In one embodiment, when the formulation of the fungicide is a dispersible oil suspension, it includes 4-46 parts of plant fungicide composition, 5-20 parts of dispersant, 0.6-1 part of Thickener, solvent make up 100 parts.

[0060] Preferably, when the formulation of the bactericide is a dispersible oil suspension, it includes 32 parts of plant fungicide composition, 15 parts of dispersant, 0.8 part of thickener, and 100 parts of solvent in parts by weight.

[0061] In one embodiment, the dispersant is selected from calcium dodecylbenzenesulfonate, castor oil polyoxyethylene ether, styrylphenol polyoxyethylene ether, lignosulfonate, polyacrylate, polycarboxylate One or...

Embodiment 1

[0094] Embodiment 1 of the present invention provides a kind of said plant fungicidal composition, which is 4-chloro-2-(1,1-dimethylethyl)-5-[[[4-(1,1-di Methylethyl)phenyl]methyl]sulfanyl]-3(2H)-pyridazinone and pyrithrimolsulfonate in a weight ratio of 1:1.

[0095] Described fungicide, its dosage form is water suspension concentrate, and it is made up of following composition by weight: 4 parts of plant fungicide compositions, 5.5 parts of dispersants, 0.32 parts of thickeners, 0.1 parts of preservatives, and the solvent makes up 100 parts .

[0096] The dispersant is fatty alcohol polyoxyethylene ether, styrylphenol polyoxyethylene ether, alkylbenzenesulfonate ammonium salt and polycarboxylate, and the styrylphenol polyoxyethylene ether, alkylbenzenesulfonic acid The weight ratio of ammonium salt and polycarboxylate is 2:1:1, and the weight ratio of the fatty alcohol polyoxyethylene ether and styrylphenol polyoxyethylene ether is 1:1; the fatty alcohol polyoxyethylene eth...

Embodiment 2

[0101] Embodiment 2 of the present invention provides a kind of said plant fungicidal composition, which is 4-chloro-2-(1,1-dimethylethyl)-5-[[[4-(1,1-di Methylethyl)phenyl]methyl]sulfanyl]-3(2H)-pyridazinone and pyrithrimolsulfonate in a weight ratio of 5:1.

[0102] Described fungicide, its dosage form is water suspension concentrate, and it is made up of following composition by weight: 40 parts of plant fungicide compositions, 15 parts of dispersants, 1.26 parts of thickeners, 0.2 parts of preservatives, and solvent makes up 100 parts .

[0103] The dispersant is fatty alcohol polyoxyethylene ether, styrylphenol polyoxyethylene ether, alkylbenzenesulfonate ammonium salt and polycarboxylate, and the styrylphenol polyoxyethylene ether, alkylbenzenesulfonic acid The weight ratio of ammonium salt and polycarboxylate is 6:4:1, and the weight ratio of the fatty alcohol polyoxyethylene ether and styrylphenol polyoxyethylene ether is 1.5:1; the fatty alcohol polyoxyethylene ether...

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Abstract

The present invention relates to the field of fungicides, more specifically, the present invention relates to a plant fungicide composition, a fungicide and applications thereof, the plant fungicide composition comprising 4-chloro-2-(1,1-dimethylethyl )-5-[[[4-(1,1-dimethylethyl)phenyl]methyl]thio]-3(2H)-pyridazinone and pyrithrimol sulfonate. The plant fungicidal composition provided by the invention can effectively control downy mildew, late blight, blight, damping-off, powdery mildew, rust, anthracnose, root rot, black shank on vegetables, fruits and field crops, especially It has an extremely significant control effect on powdery mildew, greatly reduces the dosage of pesticides in the field, reduces pesticide residues and environmental pollution, and reduces production and use costs; at the same time, the fungicide provided by the invention is a nanopesticide with uniform texture and can be used in high and low temperature conditions. Good stability, suitable for a variety of fungicide dosage forms, suitable for flying control, spraying, dusting or fumigation.

Description

technical field [0001] The invention relates to the field of fungicides, more specifically, the invention relates to a plant fungicide composition, a fungicide and applications thereof. Background technique [0002] In recent years, due to single and unscientific use of drugs, many diseases have become resistant to the currently used pesticides, such as cucumber powdery mildew, wheat powdery mildew, banana leaf spot, etc., which has become a major problem in chemical control. At the same time, frequent application of pesticides not only increases the burden on farmers but also aggravates environmental pollution. Therefore, there is an urgent need for new varieties of fungicides with high efficiency, low toxicity and environmental protection. [0003] Acrimolsulfonate, common name in English (Bupirimate), chemical name 5-butyl-2-ethylamino-6-methylpyrimidine-4-dimethylaminosulfate, molecular formula: C 13 h 24 N 4 o 3 S. The drug is a pyrimidine systemic fungicide, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/58A01N43/54A01P3/00
CPCA01N43/58A01N43/54
Inventor 李科杜勇张双应马超李爽王兴胜孙广献余欣迪
Owner 侨昌现代农业有限公司
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