Endogenetic streptomycete for preventing kiwi berry bacterial canker and preparation thereof

Abstract

The invention belongs to the technical field of biological pesticides and discloses a method for identifying a Streptomyces glaucus sp.nov yangling TIASA5 strain and a method for preparing an active substance of the strain and applications of the method. The strain is preserved in China General Microbiological Culture Center of Microbial Culture Collection Management Committee in Microbiology Institute, Chinese Academy of Science on August 16th, 2007 with the preservation number of CGMCC No.2132. The strain has better preventive and therapeutic effects on bacterial canker of kiwi fruits. The strain is separated from plant tissues, generates active metabolite that does not have toxic action to the plant tissues, and has stability, convenient spraying and convenient popularization and application.

Description

technical field

[0001] The invention belongs to the technical field of biological pesticides, and in particular relates to an endophytic streptomyces for preventing and treating kiwifruit bacterial canker and a preparation method thereof. Background technique

[0002] Actinidia bacterial canker is an important disease on kiwifruit caused by Pseudomonassyringae pv. Cause damage garden, bring huge loss to kiwifruit industry. Kiwifruit bacterial canker was first discovered in 1980 in California, the United States and Jinggang County, Shenzhou, Japan. The disease was discovered in Dongshanfeng Farm in Hunan, my country in 1985, causing more than 2,000 mu of orchards to be on the verge of destruction. Kiwi fruit is widely planted in Shaanxi, Anhui and other provinces in my country. Kiwi fruit production is also one of the important fruit industries in Shaanxi Province. In recent years, the disease has a tendency to expand and spread, which has brought a serious crisis to the kiw...

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