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Antifungal composition comprising fenpyrazamine and difenoconazole

A technology of difenoconazole and pyrafenone, which is applied in the direction of fungicides, biocides, biocides, etc., to achieve high bactericidal activity, reduce the number of application times and dosage, and achieve good therapeutic effects

Active Publication Date: 2016-04-06
JINGBO AGROCHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In most cases, the compounding effect of pesticides is an additive effect, and there are very few compounds that really have a synergistic effect, especially those with a very obvious synergistic effect and a high synergistic ratio.

Method used

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  • Antifungal composition comprising fenpyrazamine and difenoconazole
  • Antifungal composition comprising fenpyrazamine and difenoconazole
  • Antifungal composition comprising fenpyrazamine and difenoconazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 4% Amphetamine·Difenoconazole Microemulsion (1:1)

[0020] The composition of raw materials is 2% fenpyrafen, 2% difenoconazole, 5% N,N-dimethylformamide, 5% cyclohexanone, 10% heavy benzene, 5% phenylethyl Phenol formaldehyde resin polyoxyethylene ether, 2% calcium dodecylbenzene sulfonate, 7% alkylphenol polyoxyethylene ether, 5% ethylene glycol, the rest is made up with water, and prepared according to a conventional microemulsion method.

[0021] Field Trial 1:

[0022] The experimental medicament is 4% difenoconazole microemulsion of difenoconazole, prepared according to Example 1, and the control medicine is 30% difenoconazole suspension concentrate and 10% difenoconazole wettable powder; Control object, Botrytis cinerea;

[0023]

[0024]

[0025] The average temperature during application is 20-25°C, and the weather is mostly sunny to cloudy. The data show that compared with the single agent, the compound preparation has improved prevention efficiency an...

Embodiment 2

[0031] 8% Amphetamine·Difenoconazole EC (1:1)

[0032] Composition of raw materials: 4% fenpyrafen, 4% difenoconazole, 6% N,N-dimethylformamide, 10% acetone, 5% calcium dodecylbenzenesulfonate, 5% tristyrylphenol polyoxyethylene ether, 3% phenylethylphenol formaldehyde resin polyoxyethylene ether, and the rest is made up with heavy benzene. Formulated as conventional cream.

[0033] Field Trial 1:

[0034] The experimental medicament is 8% difenoconazole emulsifiable concentrate, prepared according to Example 2, and the contrast agent is 30% difenoconazole suspension concentrate and 10% difenoconazole wettable powder; Object, cucumber powdery mildew;

[0035]

[0036]

[0037] The average temperature during application is 20-25°C, and the weather is mostly sunny to cloudy. The data show that compared with the single agent, the compound preparation has improved prevention efficiency and obvious synergistic effect.

[0038] Field efficacy test 2:

[0039] The experime...

Embodiment 3

[0043] 10% Amphetamine·Difenoconazole Water Emulsion (4:1)

[0044] Composition of raw materials: 8% pyrafenone technical, 2% difenoconazole technical, 7% acetone, 13% xylene, 3% calcium dodecylbenzenesulfonate, 5% triphenylethylphenol Polyoxyethylene ether, 2% phenethylphenol formaldehyde resin polyoxyethylene ether, 8% anyylphenol polyoxyethylene ether, 5% ethylene glycol, and make up the rest with water. Formulated with conventional water and milk.

[0045] Field Trial 1:

[0046] Experimental medicament is 10% difenoconazole aqueous emulsion prepared according to embodiment 3, and contrast medicament is 30% difenoconazole suspension concentrate and 10% difenoconazole wettable powder; object, citrus anthracnose;

[0047]

[0048]The average temperature during application is 20-25°C, and the weather is mostly sunny to cloudy. The data show that compared with the single agent, the compound preparation has improved prevention efficiency and obvious synergistic effect.

...

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PUM

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Abstract

The invention belongs to the technical field of compound pesticides and particularly relates to antifungal composition comprising fenpyrazamine and difenoconazole. The fenpyrazamine and the difenoconazole are taken as the effective ingredients and account for 1%-80% by weight of the composition, and the weight ratio of the fenpyrazamine to the difenoconazole is 50:1-1:10. The composition can be prepared in one of the forms including an emulsifiable concentrate, wettable powder, a suspension, granules, a microemulsion, an emulsion in water and water dispersible granules. The antifungal composition is used for controlling crop diseases and has the characteristics of broad antifungal spectrum, high efficiency, low toxicity, low residues, obvious synergistic effect, reduction of use cost and the like.

Description

technical field [0001] The invention belongs to the technical field of compound pesticides, and in particular relates to a bactericidal composition of fenpyrafenone and difenoconazole. Background technique [0002] Spotted defoliation, anthracnose, and scab of fruit trees, powdery mildew and leaf spot on vegetables, fruits, flowers, and cereal crops are common and frequently-occurring diseases, which often cause devastating disasters. In actual use, fenpyrafen has very high bactericidal activity against powdery mildew and gray mold on a variety of plants, but the speed of resistance to existing pathogenic bacteria is very fast when it is controlled alone, and the cost of use is high. shortcoming. As a commonly used broad-spectrum triazole fungicide, difenoconazole has protective and therapeutic effects, but it has defects such as increasing resistance year by year, large dosage, many times of control and easy occurrence of phytotoxicity. [0003] In the actual process of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/16A01P3/00A01N43/653
Inventor 冀琳琳戴荣华王成许兴志邓晓杰赵艳龙张元珍
Owner JINGBO AGROCHEM TECH CO LTD
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