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Bacillus mojavensis CJX-61 and application thereof

A technology of CJX-61, Bacillus weiba, applied in bacteria, fungicides, chemicals for biological control, etc., can solve problems such as environmental pollution, and achieve the effect of strong defense ability and good inhibitory effect

Active Publication Date: 2019-12-31
HARBIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the serious environmental pollution caused by chemical pesticides for preventing and treating plant fungal diseases in the prior art, and to provide a preparation method and application of a green disease-resistant biocontrol agent

Method used

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  • Bacillus mojavensis CJX-61 and application thereof
  • Bacillus mojavensis CJX-61 and application thereof
  • Bacillus mojavensis CJX-61 and application thereof

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Embodiment Construction

[0029] In the following, the present invention will be further described in detail with reference to specific drawings and examples, which is an explanation rather than a limitation of the present invention.

[0030] The experimental methods in the following implementation are conventional methods unless otherwise specified. The experimental materials used in the following implementations, unless otherwise specified, are all purchased from conventional biochemical reagent stores. The quantitative experiments in the following implementation are all set to repeat the experiment more than three times, and the results are averaged.

[0031] 1. Bacillus mohaiwei CJX-61 ( Bacillus mojavensis ) Separation and identification

[0032] 1. Bacillus Mohaiwei CJX-61 ( Bacillus mojavensis ) Strain isolation

[0033] (1) Soil sample collection

[0034] The potato rhizosphere soil to be tested was taken from the democratic potato planting base of the Heilongjiang Academy of Agricultural Sciences, a...

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Abstract

The antagonistic bacterium provided by the invention is a strain of bacillus mojavensis CJX-61 which is separated from rhizosphere soil of a diseased potato, and the bacillus mojavensis CJX-61 is named as Bacillus mojavensis. The strain is preserved in China General Microbiological Culture Collection Center, and a preservation number is CGMCC NO. 17660. The bacillus mojavensis CJX-61 has the capacity of producing chitinase, cellulase, beta-1, 3-glucanase, protease, siderophore and HCN. The CJX-61 has the relatively good inhibition effect on various plant pathogenic fungi such as fusarium oxysporum, pyricularia oryzae, sclerotinia sclerotiorum, fusarium moniliforme, sclerotinia sclerotiorum, botrytis cinerea, fusarium graminearum, alternaria solani and fusarium sambucinum. The Bacillus mojavensis CJX-61 has very strong defense capability on potato black scurf, and can also improve the potato yield under field conditions.

Description

Technical field [0001] The invention belongs to the field of biotechnology, and specifically relates to a strain of Bacillus mohei CJX-61 and its application. Background technique [0002] potato( Solanum tuberosum L.) is the world's fourth most important food crop after corn, rice and wheat. It is rich in nutritional value and contains 8 essential amino acids and multiple vitamins required by the human body. As people pay more attention to the potato-related planting industry, the planting area of ​​potato is increasing year by year, and at the same time, the pathogenic microorganisms in the soil are increasing, which affects the normal growth of potatoes. Among them, the potato mole disease caused by Rhizoctonia solani is a soil-borne disease that is destructive to potatoes and seriously damages the yield and quality of potatoes. At present, chemical methods such as chemical reagents and pesticides are mainly used to solve this problem. However, the use of chemical pesticides...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N9/10C12N9/42C12N9/54C12P21/02A01P3/00A01P21/00C12R1/07
CPCC12N1/20C12N9/54C12Y302/01014C12N9/2442C12N9/1051C12Y204/01034C12P21/02C12R2001/07C12N1/205
Inventor 郭长虹陈佳欣唐璐王拓许丽婷郝静
Owner HARBIN NORMAL UNIVERSITY
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