Germicide compounded from azoxystrobin, difenoconazole and cyproconazole and preparation method thereof

A technology of difenoconazole and compound fungicides, applied in the direction of fungicides, botanical equipment and methods, biocides, etc., can solve the problems of not obvious effects, resistance of germs, easy resistance, etc. Achieve the effect of reducing application cost, improving control effect and improving utilization rate

Inactive Publication Date: 2010-12-15
吴元林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are also mixed compounds of two fungicides on the market, the effect is not very obvious
[0006] After the 1970s, systemic fungicides began to be applied on a large scale in agriculture, but the disadvantages of this type of fungicides were also exposed during use, mainly because it is easy to make bacteria resistant, and secondly, the cost is high
Most systemic fungicides are biosynthesis inhibitors, which only inhibit or interfere with a certain metabolic process of pathogenic bacteria, followed by a single point of action, which is the main reason for easy resistance

Method used

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  • Germicide compounded from azoxystrobin, difenoconazole and cyproconazole and preparation method thereof
  • Germicide compounded from azoxystrobin, difenoconazole and cyproconazole and preparation method thereof
  • Germicide compounded from azoxystrobin, difenoconazole and cyproconazole and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1: 40% difenoconazole · azoxystrobin · cyproconazole suspension concentrate, each component and weight percent are as follows:

[0043] Difenoconazole 12%

[0044] Azoxystrobin 20%

[0045] Cycloconazole 8%

[0046] Alkylphenol polyoxyethylene ether formaldehyde condensate 10%

[0047] Sodium lignosulfonate 8%

[0048] Sodium Lauryl Sulfate 3%

[0049] Magnesium Aluminum Silicate 2%

[0050] Epoxidized soybean oil 1%

[0051] Ethylene glycol 4%

[0052] Simethicone defoamer 0.5%

[0053] Deionized water make up to 100%

[0054] Preparation method: process the water-insoluble solid drug to above 325-800 mesh by mechanical or jet crushing method, and then mix it with the above-mentioned other ingredients such as emulsifier, antifreeze agent, tackifier and other water-soluble additives. Disperse or melt to prepare slurry, grind it 1-2 times in a horizontal sand mill, and finally adjust the technical indicators such as PH value, fluidity, wettability, etc....

Embodiment 2

[0055] Embodiment 2: 34% difenoconazole + azoxystrobin + cyproconazole suspension concentrate, each component and weight percentage are as follows:

[0056] Difenoconazole 10%

[0057] Azoxystrobin 18%

[0058] Cycloconazole 6%

[0059] Alkylphenol polyoxyethylene ether formaldehyde condensate 10%

[0060] Sodium lignosulfonate 8%

[0061] Sodium Lauryl Sulfate 3%

[0062] Magnesium Aluminum Silicate 2%

[0063] Epoxidized soybean oil 1%

[0064] Ethylene glycol 4%

[0065] Simethicone defoamer 0.5%

[0066] Deionized water make up to 100%

[0067] Preparation method: with embodiment 1

Embodiment 3

[0068] Example 3: 40% difenoconazole + azoxystrobin + cyclaconazole wettable powder, the components and weight percentages are as follows:

[0069] Difenoconazole 12%

[0070] Azoxystrobin 20%

[0071] Cycloconazole 8%

[0072] Alkylphenol polyoxyethylene ether formaldehyde condensate 10%

[0073] Sodium lignosulfonate 8%

[0074] Sodium Lauryl Sulfate 3%

[0075] Silica 2%

[0076] Epoxidized soybean oil 1%

[0077] Ethylene glycol 4%

[0078] Simethicone defoamer 0.5%

[0079] Diatomaceous earth fill up to 100%

[0080] Preparation method: first weigh azoxystrobin, difenoconazole, cyproconazole and solid dispersant, wetting agent, filler, etc. according to a certain proportion, mix them initially, and then crush them by airflow, and then mix them with Jingbai Stir the mixture of other liquid components well adsorbed by carbon black together, and then carry out sampling analysis.

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Abstract

The invention relates to a composite germicide, which simultaneously comprises three components, namely azoxystrobin, difenoconazole and cyproconazole. The germicide is prepared from the following active ingredients in percentage by weight: 1 to 40 percent of azoxystrobin, 1 to 30 percent of difenoconazole, 1 to 40 percent of cyproconazole, a wetting agent, a dispersant, an emulsifying agent, a thickening agent, a stabilizer, an antifreezing agent, an antifoaming agent and a solid carrier or a solvent. The composite germicide has effects and use which are obviously superior to those of germicides comprising one or two components.

Description

technical field [0001] The present invention relates to a mixed fungicide, especially a three-component compound of a methoxyacrylate fungicide: azoxystrobin and a class of triazole fungicides: cyproconazole and difenoconazole The bactericide belongs to the technical field of compound pesticides. Background technique [0002] Azoxystrobin (common English name azoxystrobin) is named Amixida and Amida, with 25%, 80% water dispersible granules, 22.9% suspending agent, etc. It is used for cereal crops, rice, peanuts, grapes, Fruit trees control powdery mildew, rust, downy mildew, rice blast, etc. [0003] The trade names of difenoconazole (English common name difenoconazole) are difenoconazole, difenoconazole, and Shigao. Preparation products include 3% suspension seed coating and 10% water dispersible granules. It is mainly used to control pear scab, apple leaf spot, tomato early blight, western claw blight and so on. [0004] The main preparations of cyproconazole (English...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/54A01P3/00
CPCA01N43/54A01N43/653
Inventor 吴元林
Owner 吴元林
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