Bacillus velezensis, microbial agent, biopesticide and application

The invention provides bacillus velezensis, a microbial agent, a biopesticide and application, belongs to the field of biological control of plant diseases, and particularly provides bacillus velezensis YJDG which is preserved in China Center for Type Culture Collection, has the preservation number of CCTCC NO: M 20241351, is preserved in Wuhan University, Wuhan, China on June 24, 2024, and has the preservation number of CCTCC NO: M 20241351. The invention provides a microbial agent, a biopesticide and application of bacillus velezensis, according to the application of the microbial agent, the strain provided by the invention shows an efficient antagonistic effect on various angelica root rot bacteria, and also has a certain inhibition effect on other plant disease pathogenic bacteria; however, the inhibition effect on angelica root rot pathogenic bacteria is better. 本发明提供了一株贝莱斯芽孢杆菌及微生物菌剂、生物农药与应用，属于生物防治植物病害领域，具体提供了一株贝莱斯芽孢杆菌（Bacillus velezensis）YJDG，其保藏于中国典型培养物保藏中心，保藏编号为CCTCC NO:M 20241351，保藏时间为2024年6月24日，保藏地址