Pseudomonas protegens XY2F4 and application thereof in control of crop verticillium wilt

A Pseudomonas fluorescens, XY2F4 technology, applied in the direction of application, microbial-based methods, chemicals for biological control, etc., can solve the problems of limited strains and products, and achieve the effect of reducing the incidence rate and inhibiting infection
CN110643538AActive Publication Date: 2020-01-03ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2020-01-03

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Abstract

The invention discloses Pseudomonas protegens XY2F4 and application thereof in control of crop verticillium wilt. The Pseudomonas protegens XY2F4 was collected in the China General Microbiological Culture Collection Center (CGMCC) of the China Committee for Culture Collection of Microorganisms (CCCCM) on June 24, 2019, with the collection number of CGMCC No.18017. The pseudomonas protegens XY2F4 has no virulence for plants, has a significant inhibition function on cotton verticillium wilt caused by verticillium dahliae, can remarkably relieve occurrence of cotton verticillium wilt and has goodbiological control effects. Genome research shows that the Pseudomonas protegens XY2F4 has a series of biological control related compound synthesis gene clusters, can be used for developing biological pesticides for crop verticillium wilt diseases, and provides a new thought and a new method for biological control of the crop verticillium wilt.
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Description

technical field

[0001] The invention belongs to the technical field of plant disease biocontrol. More specifically, it relates to a strain of Pseudomonas protegens XY2F4 and its application in controlling crop verticillium wilt. Background technique

[0002] Cotton is an important economic crop in my country, providing renewable raw materials for the textile industry. Cotton verticillium wilt caused by Verticillium dahliae Kleb. is a devastating disease. The spread of the disease not only significantly reduces the cotton fiber quality, but also seriously affects the economic yield of cotton. Verticillium wilt caused by Verticillium dahliae causes direct economic losses in the billions of dollars worldwide each year. In 1982, cotton verticillium wilt had spread to nearly 130,000 hectares of agricultural soil in my country. By 1993, cotton verticillium wilt had become the main obstacle to high and stable cotton production in my country, and the affected area reached 2.666 m...

Claims

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