Streptomyces hydrogenans and application thereof in biological control

A technology of Streptomyces hydrangeum and Streptomyces hydrangeum, which is applied in the field of Streptomyces hydrangeum, can solve the problems of lack of biological pesticides, species and quantity cannot meet agricultural production, etc., achieve good social and economic benefits, protect and promote root growth, and enhance resistance effect of ability
CN110218671AInactive Publication Date: 2019-09-10XUZHOU NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
XUZHOU NORMAL UNIVERSITY
Publication Date
2019-09-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a strain of streptomyces hydrogenans and application thereof in biological control. The preservation number of the streptomyces hydrogenans is CGMCC No. 17449. The applicationof the streptomyces hydrogenans specifically refers to application in control over alternaria solani, and includes the steps that streptomyces hydrogenans thalli are activated, fermentation culture iscarried out until the thalli grow to the logarithmic phase, fermentation is stopped, and the obtained fermentation product is a biocontrol agent; the obtained biocontrol agent is diluted, and root dipping is carried out with the diluent when plant seedlings are transplanted and / or root irrigation is carried out with the diluent when seedlings grow to the 4-5 leaf stage. The application of the streptomyces hydrogenans can replace chemical pesticides to effectively control alternaria solani diseases. The biocontrol agent contains growth-promoting components and beneficial microorganisms, and can effectively protect and promote the root growth and enhance the resistance of the root system to adverse environments and harmful bacteria; the agent also contains components capable of inhibiting and killing alternaria solani and can effectively control plant fungal diseases caused by alternaria solani.
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Description

technical field

[0001] The present invention relates to microorganisms and applications thereof, in particular to a strain of Streptomyceshydrogenans

[0002] CGMCC No.17449 and its application in biological control. Background technique

[0003] Alternaria Solani (Ellis et Martin) Jones et grout is one of the fungi that are easy to infect plants and cause plant diseases. . The fungus can cause many important crop diseases, such as potato early blight, pear black spot, cabbage black spot, tobacco red spot, apple leaf spot, tomato early blight, etc., seriously affecting the production of these economic crops.

[0004] At present, the method of preventing and controlling the diseases caused by Alternaria solani mainly uses chemical pesticides. Although chemical pesticides have the advantages of wide adaptability, simple operation, rapid action, significant effect, and emergency response, etc.; however, chemical pesticides are a double-edged sword. They promote agricultural ...

Claims

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