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Sterilizing composite of hexaconazole and carbendazol and preparation method and application thereof

A fungicide composition, carbendazim technology, applied in the direction of botanical equipment and methods, applications, fungicides, etc., can solve the problems of narrow bactericidal spectrum, easy to produce drug resistance, etc., achieve broad bactericidal spectrum, reduce production costs, The effect of overcoming drug resistance

Inactive Publication Date: 2010-05-12
JINLING INST OF TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The problem to be solved by the present invention is that when hexaconazole and carbendazim are used alone, the bactericidal spectrum is narrow and easy to produce drug resistance, and a kind of active ingredient is hexaconazole and carbendazim, which has a wide bactericidal spectrum and synergistic effect. Compound fungicide

Method used

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  • Sterilizing composite of hexaconazole and carbendazol and preparation method and application thereof

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Effect test

Embodiment 1

[0026] Determination of co-toxicity coefficient of hexaconazole and carbendazim binary bactericidal composition of the present invention

[0027] The phytopathology laboratory of the plant protection teaching and research group of the School of Horticulture, Jinling Institute of Science and Technology, tested the indoor toxicity of the cucumber fusarium wilt with 40% hexaconazole-carbendazim EC of the present invention. The indoor toxicity measurement method is the growth rate method, and the test data Regression is carried out by using the probability value analysis method, and the regression equation and the inhibitory medium concentration EC are obtained. 50 . Then use the toxicity index method to obtain the CTC value of the co-toxicity coefficient of the mixture, and if CTC>120, it is synergistic. The test results are shown in Table 1

[0028] Table 1 Toxicity test results of hexaconazole and carbendazim to cucumber wilt fungus

[0029]

[0030] It can be seen from T...

Embodiment 2

[0031] Example two: 40% hexaconazole-carbendazim emulsifiable oil

[0032] Take 2 parts of hexaconazole, 38 parts of carbendazim, 60 parts of additives and solvents, mix well to form 40% hexaconazole-carbendazim emulsifiable oil, 2000 times dilution solution to prevent and control lily gray mold in the greenhouse, and the control effect is 7 days after the drug It reached 73.42%, while the control effects of 2% hexaconazole EC and 40% carbendazim EC were 46.71% and 64.32% respectively, which showed that the mixture also had a good control effect on lily gray mold.

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Abstract

The invention belongs to the technical field of the preparation of pesticide, and particularly relates to a sterilizing composite of hexaconazole and carbendazol which is a fungicide binary combined composite prepared by mixing carbendazol, hexaconazole, auxiliary agent and solvent evenly, and the effective ingredients are hexaconazole and carbendazol. The composite of the invention also contains wetting agent, dispersant, stabilizer and filler except the effective ingredients. The experiments prove that the mixed fungicide has the advantages of wider anti-fungal spectrum and better drug effect and solves the defects of the prior art, such as narrow anti-fungal spectrum and high cost.

Description

1. Technical field [0001] The invention belongs to the technical field of pesticide preparation, and in particular relates to a bactericidal composition of hexaconazole and carbendazim, a preparation method and an application. 2. Background technology [0002] Carbendazim is a benzimidazole fungicide with a wide bactericidal spectrum, high efficiency and low toxicity. The mechanism of action is to interfere with the formation of fungal spindles in mitosis, thereby affecting cell division, and has protective and therapeutic effects. It has a good effect on botrytis, Fusarium, Microcercospora, Penicillium, Septoria, Sclerotinia, Black Star, Verticillium and Rhizoctonia and other pathogenic bacteria, and can be used to prevent gray mold, Fusarium wilt, powdery mildew and sclerotinia and other diseases. However, carbendazim has been used for a long time on Chinese crops, which has increased the resistance of the target pathogens to it and greatly reduced the control effect. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/18A01N43/653A01P3/00
Inventor 朱丽梅宰学明罗风霞陆慧陈浩
Owner JINLING INST OF TECH
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