Bactericide suspending agent compounded from difenoconazole and pyraclostrobin and preparation method thereof

A technology of pyraclostrobin and difenoconazole, which is applied in the field of pesticides, can solve the problems of decreased drug efficacy and increased prevention and control costs, and achieves the effects of less environmental pollution, low cost, and safe production, storage and use.

Inactive Publication Date: 2011-11-02
ZHEJIANG TIDE CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, the single-dose products of the above two pesticides have developed resistance during use, and the efficacy has dropped a lot compared with before, and the cost of control has also increased significantly.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A fungicide suspension composed of difenoconazole and pyraclostrobin, which is prepared from the following components in weight percentage: the content of difenoconazole is 95%, the content of pyraclostrobin When the content is 98%, difenoconazole 40%, pyraclostrobin 20%, defoamer 1.5%, wetting agent 4%, dispersant 5%, antifreeze agent 0.5%, thickener 5 %, pH regulator 0.2%, stabilizer 10%, penetrant 0.3%, and the balance is deionized water.

[0039] Among them, the defoamer is AntifoamTS, the wetting agent is MorwetEFW, the dispersant is MorwetD-425, the antifreeze is propylene glycol, the thickener is aluminum magnesium silicate, the pH regulator is citric acid, and the stabilizer is 1,2- Benzisothiazolin-3-one, penetrant is penetrant LS.

[0040] The preparation method of the present invention comprises the following steps:

[0041]1) First add wetting agent, dispersant, pH regulator, penetrant, defoamer, stabilizer, and antifreeze into deionized water in proportio...

Embodiment 2

[0047] A fungicide suspension composed of difenoconazole and pyraclostrobin, which is prepared from the following components in weight percentage: the content of difenoconazole is 95%, the content of pyraclostrobin When the content is 98%, difenoconazole 30%, pyraclostrobin 20%, defoamer 0.1%, wetting agent 6%, dispersant 5%, antifreeze agent 0.2%, thickener 5% %, pH regulator 0.2%, stabilizer 2.5%, penetrant 0.5%, and the balance is deionized water.

[0048] Among them, the defoamer is Tegomer V-Si 4042, the wetting agent is MorwetEFW, the dispersant is MorwetD-425, the antifreeze is propylene glycol, the thickener is xanthan gum, the pH regulator is citric acid, and the stabilizer is 1 , 2-benzisothiazolin-3-one, the penetrating agent is pull-off powder.

[0049] The preparation method of the present invention comprises the following steps:

[0050] 1) First add wetting agent, dispersant, pH regulator, penetrant, defoamer, stabilizer, and antifreeze into deionized water in...

Embodiment 3

[0056] A fungicide suspension composed of difenoconazole and pyraclostrobin, which is prepared from the following components in weight percentage: the content of difenoconazole is 95%, the content of pyraclostrobin When the content is 98%, difenoconazole 20%, pyraclostrobin 20%, defoamer 0.2%, wetting agent 5%, dispersant 6%, antifreeze agent 0.3%, thickener 4 %, pH regulator 0.3%, stabilizer 2%, penetrant 0.8%, and the balance is deionized water.

[0057] Among them, the defoamer is Tegomer V-Si 4042, the wetting agent is MorwetEFW, the dispersant is MorwetD-425, the antifreeze is propylene glycol, the thickener is xanthan gum, the pH regulator is citric acid, and the stabilizer is 1 , 2-benzisothiazolin-3-one, the penetrating agent is pull-off powder.

[0058] The preparation method of the present invention comprises the following steps:

[0059] 1) First add wetting agent, dispersant, pH regulator, penetrant, defoamer, stabilizer, and antifreeze into deionized water in pr...

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PUM

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Abstract

The invention relates to a bactericide suspending agent compounded from difenoconazole and pyraclostrobin and a preparation method thereof, belonging to the technical field of pesticides. The bactericide suspending agent is prepared from the following components in percentages by weight in the presence of 95% difenoconazole and 98% pyraclostrobin: 0.1-40% of difenoconazole, 0.1-40% of pyraclostrobin, 0.1-2% of antifoaming agent, 0.5-20% of wetting agent, 0.5-20% of dispersing agent, 0.1-4% of antifreezing agent, 0.1-5% of thickening agent, 0.1-4% of pH value regulator, 0.1-10% of stabilizer, 0.1-5% of penetrating agent and the balance of deionized water. The bactericide suspending agent has the advantages of high efficiency, low toxicity, no pollution and safety for environment, human and livestock and is difficult for pathogenic bacteria to generate resistance.

Description

technical field [0001] The invention relates to a fungicide suspension composed of difenoconazole and pyraclostrobin and a preparation method thereof, belonging to the technical field of pesticides. Background technique [0002] Pesticide preparations are gradually developing towards safety, environmental protection, and water-based. Pesticide suspension concentrates have the following advantages: ① no dust hazard, safe for operators and the environment; ② using water as the dispersion medium, there is no flammable and Injury problem; ③Compared with wettable powder, it is allowed to use different particle sizes of the original drug, so as to achieve the best biological effect and physical stability of the preparation; ④Liquid suspension spreads well in water and can be directly made into spray liquid Use; ⑤ specific weight, small packaging volume. ⑥The dispersibility and spreadability of the suspension are relatively good, the suspension rate is high, the ability to adhere ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N43/653A01N25/04A01P3/00
Inventor 杨征宇
Owner ZHEJIANG TIDE CROP TECH
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