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Bacillus velezensis as well as microbial inoculum and application thereof

A technology of Bacillus Velez and Bacillus, applied in the direction of application, fungicides, bacteria, etc., can solve the problems of affecting the quality of tobacco leaves, reducing the use value of tobacco leaves, and affecting the chemical components of tobacco leaves, etc.

Active Publication Date: 2021-02-23
TOBACCO RES INST CHIN AGRI SCI ACAD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The infection of Alternaria Alternaria will affect the chemical composition of tobacco leaves, increase the content of total nitrogen, reduce the content of total sugar, reducing sugar and starch, thereby affecting the quality of tobacco leaves and reducing the use value of tobacco leaves
[0005] At present, the main method to prevent the occurrence of mildew and the expansion of disease spots during tobacco leaf curing is to spray chemical agents, but it is very easy to cause excessive pesticide residues. Therefore, safer and more environmentally friendly biological control agents are needed to replace these chemical agents

Method used

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  • Bacillus velezensis as well as microbial inoculum and application thereof
  • Bacillus velezensis as well as microbial inoculum and application thereof
  • Bacillus velezensis as well as microbial inoculum and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0061] 1 Materials and methods

[0062] 1.1 Materials

[0063] The biocontrol bacteria for test: Bacillus Veles GY1;

[0064] Pathogens tested: cotton blight, cucumber wilt, peanut fusarium, grape anthracnose, tomato late blight, tobacco red spot, wheat scab, potato fusarium wilt and other 8 kinds of pathogens;

[0065] Variety of flue-cured tobacco: Honghua Dajinyuan;

[0066] Roasting method: intensive baking on hanging rods.

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PUM

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Abstract

The invention provides bacillus velezensis as well as a microbial inoculum and application thereof, and belongs to the technical field of microorganisms. The biocontrol bacterium Bacillus velezensis GY1 is screened from rhizosphere soil of healthy tobaccos, has a remarkable antagonistic effect on various phytopathogens in the agricultural production, is wide in antibacterial spectrum, and is capable of effectively controlling tobacco mildew and rot and tobacco brown spot expansion in the baking period through testing, and therefore, the tobacco quality is improved, the tobacco use value is improved, so that the bacillus velezensis has wide application prospect and good practical application value in the field of biological prevention and control of plant diseases.

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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Application Information

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IPC IPC(8): C12N1/20A01N63/22A01P3/00C12R1/07
CPCA01N63/22C12R2001/07C12N1/205
Inventor 王晓强王东坤孙光军宋光龙袁源张永峰冯超夏志林李想李光雷崔志燕李苗苗
Owner TOBACCO RES INST CHIN AGRI SCI ACAD
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