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Application of coumarin compound with inhibitory activity on plant pathogenic fungi

A technology of plant pathogenic fungi and inhibitory activity, applied in the field of pesticides, can solve the problems of easy decomposition, low diffusion, slow effect, etc., and achieve the effect of easy decomposition and good compatibility with the environment

Inactive Publication Date: 2020-07-24
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing coumarin-type antibacterial agents have problems such as low diffusivity, easy drying and decomposition when sprayed on crops; and there are disadvantages such as single applicability, slow effect, and excessive minimum inhibitory concentration

Method used

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  • Application of coumarin compound with inhibitory activity on plant pathogenic fungi
  • Application of coumarin compound with inhibitory activity on plant pathogenic fungi

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Embodiment Construction

[0033]An application of a coumarin compound having inhibitory activity against phytopathogenic fungi: the coumarin compound refers to 7-methoxycoumarin, and its chemical structure is as follows:

[0034] .

[0035] The coumarin compound is used as a fungicide at a concentration of 10-200 μg / mL to prevent and control crop diseases caused by phytopathogenic fungi during crop planting.

[0036] Among them: plant pathogenic fungi refer to Alternaria ( Alternaria solani Sorauer), Botrytis cinerea ( Botrytis cinerea Persoon), Fusarium solani ( Fusarium solani (Mart.) Sacc), Fusarium oxysporum ( Fusarium oxysporum Schlecht), Anthrax globosa ( Colletotrichum coccodes (Wall) Hughes) and Verticillium dahliae ( Verticillium dahlia ) in one or more.

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Abstract

The invention relates to application of a coumarin compound with inhibitory activity on plant pathogenic fungi, which is characterized in that the coumarin compound is 7-methoxycoumarin, and the coumarin compound with the concentration of 10-200mu g / mL is used as a bactericide for preventing and treating crop diseases caused by the plant pathogenic fungi in the crop planting process. The 7-methoxycoumarin is a botanical pesticide, has the advantages of being easy to decompose, good in environmental compatibility, relatively safe to non-target organisms and the like, meets the requirements of modern environmental protection and human health, can be used as a novel bactericide for preventing and treating common diseases of crops, and can also be used as a substitute of chemically synthesizedbactericides.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to the application of a coumarin compound with inhibitory activity against plant pathogenic fungi. Background technique [0002] The increase of pathogens and the imbalance of soil microbial community often lead to the reduction of crop yields, resulting in huge economic losses. Some common pathogenic bacteria can cause a variety of important crop diseases, seriously endangering crop production. Alternaria ( Alternaria solani Sorauer) can infect a variety of crops, causing wheat black germ disease, sunflower, rapeseed black spot, tomato, potato early blight, apple leaf defoliation, etc.; Botrytis cinerea ( Botrytis cinerea Persoon) can infect leaves, stems, flowers and fruits of various crops, causing gray mold of potatoes, tomatoes, peppers and other crops; Fusarium solani ( Fusarium solani (Mart.) Sacc) can cause root rot of crops such as peppers, eggplants, cucumbers, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01P3/00C07D311/16
CPCA01N43/16C07D311/16
Inventor 秦波辛爱一金辉杨晓燕柳皓月
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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