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Pseudomonas aeruginosa and application thereof

A technology of Pseudomonas aeruginosa and strains, applied in the direction of application, bacteria, fungicides, etc., to achieve a strong inhibitory effect

Inactive Publication Date: 2011-08-31
福建省农业科学院农业生物资源研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the use of endogenous Pseudomonas aeruginosa in bananas to control banana wilt has not yet been reported and utilized at home and abroad.

Method used

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  • Pseudomonas aeruginosa and application thereof
  • Pseudomonas aeruginosa and application thereof
  • Pseudomonas aeruginosa and application thereof

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Embodiment Construction

[0016] A kind of Pseudomonas aeruginosa bacterial strain (Pseudomonas aeruginosa) FJAT-346 of the present invention is isolated and screened from the endophytic bacteria in the banana plant planted in Zhangzhou, Fujian, where the banana wilt disease occurred seriously. Bacterial strains, which can colonize the host and reproduce with the growth of plants, through nutrient competition, site competition and immune disease resistance mechanisms, can achieve the purpose of hindering the invasion of pathogenic bacteria for a long time, delaying and inhibiting the occurrence of diseases; and using The Pseudomonas aeruginosa strain FJAT-346 prepares a fermented liquid capable of preventing and controlling the banana wilt, and the fermented liquid has a strong inhibitory effect on the Fusarium oxysporum that causes the banana wilt.

[0017] 1. Isolation of strains:

[0018] (1) Randomly collect banana plants at fruit maturity stage in the fields where Fusarium wilt occurred in Zhangzh...

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Abstract

The invention relates to Pseudomonas aeruginosa FJAT-346 which is obtained by separating and screening an endosymbiotic bacterium in banana plants cultivated in fields with serious banana blight and has biologic al control action. The stain is Pseudomonas aeruginosa FJAT-346 and is used for preparing a fermentation liquid capable of controlling banana blight. The invention has the advantages that the endosymbiotic bacterium FJAT-346 is obtained by separating from the endosymbiotic bacterium in the banana plants, the fermentation liquid being capable of controlling banana blight and being prepared by using the stain has excellent inhibition action on banana blight bacteria, and the preparation process of the fermentation liquid is simple; and what's more important, the fermentation liquid is completely harmless and has good production application prospect.

Description

【Technical field】 [0001] The invention relates to a microorganism and its application, in particular to a Pseudomonas aeruginosa strain FJAT-346 and its application to prepare a fermentation liquid for preventing and treating banana wilt. 【Background technique】 [0002] Banana wilt is a systemic soil-borne disease of vascular necrosis caused by Fusarium oxysporumf.sp.Cubense. It is an important disease on bananas and seriously threatens the banana planting industry in the world. Because the fungus can survive in the soil for many years and can infect bananas throughout the growth period, and there are multiple specialized types, it is very difficult to control banana wilt. At present, there is no effective disease-resistant banana variety, and the existing chemical agents are also difficult to be effective in prevention and control. The use of biological control, especially endogenous biological control bacteria is one of the more effective ways at present. There have been...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/02A01P3/00C12R1/385
Inventor 刘波肖荣凤唐建阳朱育菁葛慈斌
Owner 福建省农业科学院农业生物资源研究所
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