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A kind of bactericidal composition, bactericide and application thereof

A bactericide and composition technology, applied in the field of bactericidal composition, can solve problems such as chemical control problems, increased burden on farmers, and aggravated environmental pollution, and achieve automatic dispersion, good dilution stability, low surface tension, and uniform texture Effect

Active Publication Date: 2022-01-18
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

[0002] In recent years, due to single and unscientific drug use, 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 increases environmental pollution.

Method used

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  • A kind of bactericidal composition, bactericide and application thereof
  • A kind of bactericidal composition, bactericide and application thereof
  • A kind of bactericidal composition, bactericide and application thereof

Examples

Experimental program
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preparation example Construction

[0054] When the dosage form of the fungicide is an aqueous suspension, the preparation method of the fungicide comprises: placing xanthan gum in a solvent, stirring for 20 minutes, adding a fungicide composition, a dispersant and magnesium aluminum silicate to mix, and sanding, namely have to.

[0055] In one embodiment, when the dosage form of the bactericide is a dispersible oil suspension, by weight, the bactericide includes 6-45 parts of a bactericidal composition, 10-20 parts of a dispersant, 0.4-0.9 100 parts of thickener, and 100 parts of solvent.

[0056] Preferably, when the formulation of the fungicide is a dispersible oil suspension, by weight, the fungicide includes 30 parts of a fungicide composition, 15 parts of a dispersant, 0.5 part of a thickener, and 100 parts of a solvent.

[0057] In one embodiment, the dispersant is selected from calcium dodecylbenzenesulfonate, castor oil polyoxyethylene ether, styrylphenol polyoxyethylene ether, lignosulfonate, polyacry...

Embodiment 1

[0086] Embodiment 1 of the present invention provides a kind of said bactericidal composition, and it is 4-chloro-2-(1,1-dimethylethyl)-5-[[[4-(1,1-dimethyl ethyl)phenyl]methyl]sulfanyl]-3(2H)-pyridazinone and tetrafluconazole in a weight ratio of 3:1.

[0087] The bactericide is in the dosage form of water suspension, and it is composed of the following components in parts by weight: 6 parts of bactericidal composition, 7 parts of dispersant, 0.42 part of thickener, 0.1 part of preservative, and 100 parts of solvent; The solvent is water.

[0088] The dispersant is fatty alcohol polyoxyethylene ether, ammonium alkylbenzenesulfonate, styrylphenol polyoxyethylene ether and styrylphenol polyoxyethylene ether sulfate, and the weight ratio is 1:1:1:1 The cloud point of the fatty alcohol polyoxyethylene ether is 50-70°C, purchased from Jiangsu Haian Petrochemical, the specification is MOA-7; the styrene-based phenol polyoxyethylene ether HLB>17, purchased from Nantong Chen Run Ch...

Embodiment 2

[0093] Embodiment 2 of the present invention provides a kind of said bactericidal composition, and it is 4-chloro-2-(1,1-dimethylethyl)-5-[[[4-(1,1-dimethyl (ethyl)phenyl]methyl]sulfanyl]-3(2H)-pyridazinone and tetrafluconazole in a weight ratio of 8:1.

[0094] The bactericide is in the dosage form of water suspension, and it is composed of the following components in parts by weight: 60 parts of bactericidal composition, 18 parts of dispersant, 1.5 parts of thickener, 0.2 part of preservative, and 100 parts of solvent; The solvent is water.

[0095] The dispersant is fatty alcohol polyoxyethylene ether, ammonium alkylbenzenesulfonate, styrylphenol polyoxyethylene ether and styrylphenol polyoxyethylene ether sulfate, and the weight ratio is 3:2:1:3 The cloud point of the fatty alcohol polyoxyethylene ether is 50-70°C, purchased from Jiangsu Haian Petrochemical, the specification is MOA-7; the styrene-based phenol polyoxyethylene ether HLB>17, purchased from Nantong Chen Run...

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Abstract

The present invention relates to the field of fungicides, more specifically, the present invention relates to a fungicide composition, a fungicide and applications thereof, the fungicide composition comprising 4-chloro-2-(1,1-dimethylethyl )-5-[[[4-(1,1-dimethylethyl)phenyl]methyl]thio]-3(2H)-pyridazinone and tetrafluconazole. The 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 For cucumber downy mildew and powdery mildew, the synergistic effect is obvious, and the water suspension has low surface tension and contact angle, good permeability, and at the same time, its automatic dispersion and dilution stability are good; in addition, the fungicide provided by the invention It is a nanopesticide with uniform texture and good stability at high and low temperatures. It is suitable for a variety of fungicide formulations, and is suitable for aerial control, spraying, dusting or fumigation.

Description

technical field [0001] The invention relates to the field of fungicides, more specifically, the invention relates to a 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] Tefluconazole is a triazole pesticide, which inhibits the respiration and cell proliferation of fungal mitochondria, and has systemic conduction. positive cross-resistance. Suitable for cereal crops such as wheat, barley, oats, rye...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/58A01N43/653A01P3/00
CPCA01N43/58A01N43/653
Inventor 李科马超张双应梅丽英孙守福余欣迪
Owner 侨昌现代农业有限公司
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