Bacillus tequilensis, microbial agent, preparation method and application thereof

By screening Bacillus tektii YP131 from kiwifruit leaves, a microbial agent was prepared for the prevention and control of kiwifruit canker, which solved the problem of the lack of effective biological control measures in the existing technology and achieved efficient and environmentally friendly disease control.

CN116574632BActive Publication Date: 2026-07-03GUANGXI ACADEMY OF SPECIALTY CROPS GUANGXI ZHUANG AUTONOMOUS REGION
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGXI ACADEMY OF SPECIALTY CROPS GUANGXI ZHUANG AUTONOMOUS REGION
Filing Date
2023-03-01
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

There is a lack of effective biological control measures in the current technology to control kiwifruit canker, especially summer canker caused by the pathogenic species of Actinobacillus carotenoides. The use of chemical pesticides has brought about prominent problems of pollution and pesticide resistance.

Method used

A microbial agent of Bacillus tequilensis YP131 is provided. The YP131 strain, which has antagonistic effects against Bacillus carotenoidis, a pathogenic species of Actinidia chinensis, is isolated from diseased kiwifruit leaves and screened to prepare a microbial agent for the prevention and control of kiwifruit canker.

Benefits of technology

It significantly reduces the incidence of summer canker in kiwifruit, with a control efficacy of 75.01%, avoiding pollution and resistance problems caused by chemical pesticides. It is environmentally friendly, low-cost, highly specific, and leaves no residue.

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Abstract

This invention relates to a Bacillus tequilensis microbial agent, its preparation method, and its application, belonging to the field of agricultural microbiology. A Bacillus tequilensis YP131 microbial agent, with accession number CGMCC No. 26340, was deposited at the China General Microbiological Culture Collection Center on December 27, 2022. The Bacillus tequilensis YP131 (CGMCC No. 26340) microbial agent of this invention can significantly reduce the occurrence of summer canker in kiwifruit. Spraying with the Bacillus tequilensis YP131 microbial agent showed a control efficacy of 75.01% against summer canker in kiwifruit.
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