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Bactericidal composition containing fluazinan and thiophonate-methyl

A technology of thiophanate-methyl and bactericide composition, applied in the directions of bactericide, biocide, biocide, etc., can solve the problems of increased disease resistance, poor control effect, etc., and achieves reduction of toxicity, production and use costs The effect of reducing and reducing labor costs for prevention and control

Inactive Publication Date: 2009-03-11
张少武
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The host range is wide, and resistance is particularly easy to develop. Common control agents such as metalaxyl, chlorothalonil, and cymoxanil have poor control effects when used alone, and cause a serious increase in disease resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Example 1 20% fluazinam·thiophanate-methyl suspension

[0057]Fluazinam 10g, thiophanate-methyl 10g, sodium dodecylbenzenesulfonate 8g, xanthan gum 0.5g, organic silicone 0.5g, ethylene glycol 5g, add water to 100g, thickener and antifreeze After the agent is mixed, the remaining components except the active ingredient are uniformly mixed by high-speed shearing, the active ingredient is added, and ball milled in a ball mill for 2 to 3 hours, so that the particle size is all below 5 μm, that is, 20% fluazinam. Thiophanate-methyl suspension. The formula is diluted and sprayed with 3000 times of liquid, and the control effect is 81.67% after 7 days of application, while 10% fluazinam suspension and 10% thiophanate-methyl suspension are used in the same way, and the control effect of 7 days after application is respectively 51.45% and 34.14%.

Embodiment 2

[0058] Example 2 40% fluazinam·thiophanate-methyl wettable powder

[0059] 20g of fluazinam, 20g of thiophanate-methyl, 8g of sodium dodecylbenzenesulfonate, 5g of pull-off powder, and 100g of kaolin, mix the above-mentioned ingredients, stir evenly in a stirring tank, and pass through a jet mill After mixing evenly, 40% fluazinam·thiophanate-methyl wettable powder is prepared. The formula is diluted and sprayed by 3000 times of liquid, and the control effect is 86.74% 7 days after the application, while 20% fluazinam suspension and 20% thiophanate-methyl suspension are used in the same way, and the control effect 7 days after the application is respectively 63.56% and 41.87%.

Embodiment 3

[0060] Example 3: 60% fluazinam·thiophanate-methyl water-dispersible granules

[0061] Add 30g of fluazinam, 30g of thiophanate-methyl, 10g of sodium dodecylbenzenesulfonate, 4g of sodium lignosulfonate, 6g of citric acid, 0.8g of polyvinyl alcohol, and kaolin to 100g, and mix the aforementioned ingredients evenly , crushed with an ultra-fine jet mill, kneaded, and then added to a fluidized bed granulation dryer for granulation, drying, and sieving. After sampling and analysis, 60% fluazinam·thiophanate-methyl water was obtained. Dispersible granules. The formula is diluted and sprayed with 3000 times of liquid, and the control effect is 95.67% after 7 days of application, while 30% fluazinam suspension and 30% thiophanate-methyl suspension are used in the same way, and the control effect of 7 days after application is respectively 71.42% and 56.33%.

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PUM

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Abstract

The invention relates to a bactericide composite, which comprises the effective components of fluazinam and thiophanate-methyl, and the mass portion of the two effective components is 1-60: 1-80. The composite can be added with a proper amount of additives or carriers to be prepared into a suspending agent, a wettable powder and a water dispersible granule. Applied to the disease control of multiple crops, the bactericidal composite is characterized by curing and protection effects on crop pests, wide bactericidal spectrum, rain-wash resistance, long lasting period and no damage to crops and environment.

Description

technical field [0001] The invention relates to an agricultural fungicide composition. The active ingredients of the composition consist of fluazinam and thiophanate-methyl, which are used for disease control of various crops, especially for apple tree leaf spot, cucumber downy mildew and Grape Botrytis. Background technique [0002] Fluazinam (fluaziname) is a high-efficiency, broad-spectrum, new type of fungicide. [0003] The structural formula is: [0004] Molecular formula: C 13 h 4 Cl 2 f 6 N 4 o 4 [0005] Mechanism and characteristics: resist all stages of the infection process by resisting spore germination, hyphal breakthrough, growth and sporulation. Fluazinam has a broad bactericidal spectrum, and its effect is better than conventional protective fungicides. It is very effective against Alternaria, Botrytis, Phytophthora, Plasmodium, Sclerotinia and Nigella, and it is resistant to benzimidazoles and dicarboximide fungicides. Spores also have a good e...

Claims

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Application Information

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IPC IPC(8): A01N47/34A01N43/40A01P3/00
Inventor 张少武
Owner 张少武
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