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Wettable powder compounded by dimethomorph and polyoxin and preparation method thereof

The technology of wettable powder and polydomycin is applied in the field of new formulations of pesticide and bactericidal compositions, and achieves the effects of good compatibility, good promotion prospects and stable quality

Active Publication Date: 2011-05-04
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the compounding of these two medicaments has not been reported so far.

Method used

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  • Wettable powder compounded by dimethomorph and polyoxin and preparation method thereof
  • Wettable powder compounded by dimethomorph and polyoxin and preparation method thereof
  • Wettable powder compounded by dimethomorph and polyoxin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Each component and weight percentage: Dimethomorph 20%

[0027] Polyoxin 5%

[0028] Alkylphenol polyoxyethylene ether formaldehyde condensate 3%

[0029] Alkylphenol ethoxylates 2%

[0030] Auxiliary 1%

[0031] Bentonite 69%

[0032] Preparation method: fully mix dimethomorph, polyoxin, dispersant, wetting agent and other additives and carriers, and pulverize through a jet mill to obtain dimethomorph-polyoxin compound with stable quality wettable powder.

Embodiment 2

[0034] Each component and weight percentage: dimethomorph 24%

[0035] Polyoxin 4%

[0036] Alkylphenol Ethoxylate Phosphate 2%

[0037] Calcium lignosulfonate 1%

[0038] Auxiliary 1%

[0039] Kaolin 68%

[0040] Preparation

[0041] Thoroughly mix dimethomorph, polyoxin, dispersant, wetting agent, other additives and carriers evenly, and pulverize through a jet mill to obtain stable quality dimethomorph·polyoxin compound wettability powder.

Embodiment 3

[0043] Components and weight percent: Dimethomorph 20%

[0044] Polyoxin 2%

[0045] Tristyrylphenol ethoxylate phosphate 2%

[0046] Polyoxyethylene polyoxypropylene ether block copolymer 1%

[0047] Auxiliary 1%

[0048] Silica 20%

[0049] Talc 54%

[0050] Preparation:

[0051] Thoroughly mix dimethomorph, polyoxin, dispersant, wetting agent and other additives and carriers, and pulverize with a jet mill to obtain dimethomorph-polyoxin compound wettable powder with stable quality .

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Abstract

The invention relates to a wettable powder compounded by dimethomorph and polyoxin and a preparation method thereof. The wettable powder is compounded by the following components: 10-50% of dimethomorph and 2-10% of polyoxin (preferably 20-30% of dimethomorph and 2-5% of polyoxin), a dispersing agent, a wetting agent, an adjuvant and a carrier. The two effective ingredients can produce synergistic effect, thus effectively reducing the single dose, enlarging the bactericidal spectrum, lowering the chemical injury, obviously improving the control effect on germs, relieving the drug resistance problem of pathogenic bacteria and lowering the control cost; and the effective ingredients have good control effect on downy mildew, epidemic diseases, leaf spot, gray mold and the like of a pluralityof crops such as fruit trees, vegetables, field crops and the like; and the obtained wettable powder has good environmental compatibility and good popularization prospect.

Description

(1) Technical field [0001] The invention belongs to a new dosage form of a pesticide bactericidal composition, in particular to a wettable powder compounded with dimethomorph and polyoxin and a preparation method thereof. (2) Background technology [0002] Dimethomorph is a cinnamic acid derivative that has strong biological activity against fungi of the Peronaceae family and Phytophthora. The main mode of action is to cause the decomposition of the sporangia wall and cause the death of the bacteria. The drug has systemic properties and can conduct in various parts of the plant, so as to achieve the purpose of comprehensively preventing and controlling plant fungal diseases. Although it has a good control effect in the prevention and control of agricultural diseases, the control cost is high, the safety factor for crops is low, and phytotoxicity is easy to occur. [0003] Polyoxin is a broad-spectrum, high-efficiency, low-toxicity, and safe antibiotic biocidal agent with g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/12A01N43/84A01N25/14A01P3/00
Inventor 王智张保华李宝笃
Owner QINGDAO AGRI UNIV
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