A kind of lysobacterium that antagonizes Xanthomonas oryzae and its isolation method and application

A technology of Xanthomonas oryzae and Lysobacterium, applied in the field of rice disease prevention and control, can solve the problems of rampant and residual
CN107400639BActive Publication Date: 2020-03-17JIANGSU ACAD OF AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGSU ACAD OF AGRI SCI
Publication Date
2020-03-17

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Abstract

The invention relates to a lysobacterium antagonizing Xanthomonas oryzae and its isolation method and application. The lysobacterium is classified as lysobacterium ( Lysobacter sp.) OH23, which has been preserved in CGMCC, General Microorganism Center of China Committee for the Collection of Microorganisms, preservation number: CGMCC No.13677, preservation date: February 23, 2017, preservation address: No. 1, Beichen West Road, Chaoyang District, Beijing No. 3 Institute of Microbiology, Chinese Academy of Sciences. Lysobacterium of the present invention ( Lysobacter sp.) OH23 is a Gram-negative bacterium, and has obvious antagonistic effects on rice leaf spot fungus and rice white leaf disease fungus, and has the potential to be developed as a biopesticide.
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Description

technical field

[0001] The invention belongs to the technical field of rice disease prevention and control, and relates to a lysobacterium antagonizing Xanthomonas oryzae and its separation method and application. Background technique

[0002] Xanthomonas oryzae (X.oryzae), including two pathogenic varieties of rice bacterial blight (Xanthomonas oryzaepv.oryzae) and rice stripe disease (Xanthomonas oryzae pv.oryzicola), cause rice bacterial blight (bacterial blight, BB) and bacterial leaf streak (BLS). At present, the prevention and control of these two diseases in production mainly rely on disease-resistant varieties and chemical pesticides. Chemical pesticides mainly include agricultural streptomycin, yekuling, yekuzole, thiazole zinc, etc. Chemical pesticide control has the advantages of good control effect, quick effect, and low cost, but the "3R" (residual, re-rampant, and resistance) problems caused by long-term excessive and inappropriate application have become the...

Claims

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