A strain of Bacillus Velez and its agent and application

A technology of Bacillus velesi and Bacillus, applied in the application, fungicides, bacteria and other directions, can solve the problems of reducing the use value of tobacco leaves, affecting the chemical composition of tobacco leaves, and increasing the content of total nitrogen, so as to improve the use value of tobacco leaves, The value of good practical application, the effect of improving the quality of tobacco leaves
CN112391315BActive Publication Date: 2022-05-06TOBACCO RES INST CHIN AGRI SCI ACAD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TOBACCO RES INST CHIN AGRI SCI ACAD
Publication Date
2022-05-06

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Abstract

The invention provides a strain of Bacillus Velez and its bacterial agent and application, which belong to the technical field of microbes. The present invention screens out a strain of biocontrol bacteria Bacillus velezensis GY1 from the rhizosphere soil of healthy tobacco, which has significant antagonism to various plant pathogenic bacteria that occur seriously in agricultural production, and has a wide antibacterial spectrum. At the same time, it has been proved by experiments that it can effectively control the occurrence of tobacco leaf mildew and the expansion of tobacco red spot disease spots during the curing period, thereby improving the quality of tobacco leaves and increasing the use value of tobacco leaves, indicating that the strain has broad application prospects in the field of biological control of plant diseases and Good practical value.
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Description

technical field

[0001] The invention belongs to the technical field of microbial prevention and control, and in particular relates to a strain of Bacillus velesii and its bacterial agent and application. Background technique

[0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art.

[0003] Tobacco leaf mildew and rot caused by Rhizopus oryzae Went et Geerl. is becoming more and more serious in various tobacco areas, causing serious economic losses. Rhizopus oryzae has thermophilic characteristics, and the petiole begins to mold within 24 hours after tobacco leaves are roasted (the early stage of yellowing and dehumidification).

[0004] Tobacco red spot disease is one of the most serious diseases in the matur...

Claims

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