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Bacillus velezensis strain HN03 and application thereof

A technology of bacillus and strains, applied in the Bacillus velei strain HN03 and its application fields, can solve the problems of difficult survival of strains, difficulty in colonizing pathogenic bacteria, and difficulty in continuously resisting pathogenic bacteria, and achieves easy preservation, fast reproduction speed, good The effect of developing application prospects

Active Publication Date: 2018-12-28
ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, biological control, especially the use of antagonistic bacteria, has the disadvantages that the strains are difficult to survive in the environment, it is difficult to continuously fight against pathogenic bacteria in the soil, or it is difficult to colonize plants to fight against pathogenic bacteria.

Method used

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  • Bacillus velezensis strain HN03 and application thereof
  • Bacillus velezensis strain HN03 and application thereof
  • Bacillus velezensis strain HN03 and application thereof

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Experimental program
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Embodiment Construction

[0029] The technical solution of the present invention will be further described below in combination with experiments.

[0030] Screening of Bacillus Velez strain HN03:

[0031] The inventor isolated the Bacillus velezensis strain HN03 from the soil. After the strain was sent to the China Type Culture Collection Center for preservation on February 5, 2018, it was identified that the preservation name of the strain HN03 was Bacillus velezensis HN03, and the classification was named It is Bacillus velezensis HN03, and the preservation unit is China Center for Type Culture Collection, the preservation date is February 5, 2018, and the preservation number is CCTCC M 2018084. The preservation center completed the test on March 1, 2018 to confirm the survival of the preserved microorganisms.

[0032] Identification of Bacillus Velez strain HN03:

[0033] The main biological characteristics of Bacillus Velez strain HN03 are: the bacterium is a Gram-positive bacterium, and the cult...

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Abstract

The invention discloses bacillus velezensis strain HN03 and application thereof. The bacillus velezensis strain HN03 has the accession number CCTCC M 2018084. The pure bacillus velezensis strain HN03has a good inhibitory effect on banana fusarium No. 1 and No. 4 physiological strains, and various other pathogenic bacteria.

Description

technical field [0001] The invention relates to a new strain of bacillus velei and its application. Background technique [0002] Soil-borne diseases are crop diseases caused by pathogens living in the soil or in the residues of diseased plants remaining in the soil. Soil-borne diseases are very common in the world, usually causing crop blight, blight, verticillium wilt, root rot, bacterial wilt, root-knot nematode and blight, etc. These diseases bring significant economic benefits to agricultural production. The loss seriously restricts the sustainable development of modern agriculture. [0003] Fusarium wilt of banana is an important soil-borne fungal disease caused by Fusarium oxysporum f.sp. Cubense (E.F.Smith) Snyder&Hansen. Banana is the fourth largest food trade commodity in the world, and the harm of the disease to the banana industry is worldwide and devastating, making it one of the most important plant diseases in the world. Since it was first reported in 1874,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20A01N63/00A01P3/00A01G17/00A01G24/12A01G24/25A01G24/20A01G13/00C12R1/07
CPCA01G13/00A01G17/005A01N63/00A01G24/12A01G24/20A01G24/25C12N1/20C12N1/205C12R2001/07
Inventor 武春媛吴小燕李勤奋邓晓李怡吴东明谭华东苏剑程
Owner ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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