Brevibacillus brevis BBC-3 and application thereof as well as preparation method of microbial inoculum of brevibacillus brevis

A technology of Bacillus brevis and BBC-3, applied in application, fungicides, chemicals for biological control, etc., can solve unreported problems, increase production, promote sustainable development, and reduce product pesticides residual effect
CN104651260AActive Publication Date: 2015-05-27BIOLOGY INST OF HEBEI ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BIOLOGY INST OF HEBEI ACAD OF SCI
Publication Date
2015-05-27

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Abstract

The invention relates to an antagonistic bacterium for preventing the fungal diseases of broccoli as well as a preparation method and the application of a microbial preparation of the antagonistic bacterium, and belongs to the field of biological prevention and treatment of crop diseases. The invention provides a strain of brevibacillus brevis BBC-3 with the collection number CGMCC No. 9622, a production method of a microbial preparation containing the brevibacillus brevis, and also the application of the brevibacillus brevis BBC-3 or the microbial preparation in preventing and treating the fungal diseases of the broccoli. The brevibacillus brevis BBC-3 with the collection number CGMCC No. 9622 is obtained by virtue of preliminary screening and secondary screening, wherein a plate opposing test is performed for the preliminary screening and a liquid fermentation liquid is adopted for the secondary screening; the brevibacillus brevis BBC-3 is capable of effectively preventing and treating a plurality of fungal diseases of the broccoli, such as gray mold, downy mildew, stalk break, black rot and black spot, and has the prevention and treatment efficiency of above 70%; in addition, the brevibacillus brevis BBC-3 is good in environmental safety and has excellent development application prospect.
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Description

technical field

[0001] The present invention relates to a kind of bacillus brevis BBC-3 ( Brevibacillus brevis ) and the preparation and application of bacterial agents, belonging to the field of biological control of crop diseases. Background technique

[0002] Broccoli belongs to the cruciferous family, a herbaceous plant of one or two years, and belongs to the cabbage vegetable. It is rich in vitamin A, vitamin C, phosphorus, iron, calcium and other inorganic substances, and the protein content is also very high. It is an important foreign exchange earning vegetable for export in my country. Fungal diseases are an important class of diseases on cruciferous vegetables, which are common and serious.

[0003] The current control of fungal diseases of broccoli is mainly controlled by planting disease-resistant (tolerant) varieties and chemical control. As the problem of harmful pathogenic bacteria resistance is becoming more and more serious, and chemical pesticide residue...

Claims

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