Bacillus velezensis strain and application thereof in preventing and treating rice blast and grape gray mold

The invention discloses a bacillus velezensis strain and application of the bacillus velezensis strain in prevention and treatment of rice blast and grape gray mold. The bacterial strain is bacillus velezensis; the preservation name of the bacillus velezensis HY-46 is bacillus velezensis HY-46. The strain is preserved in the China Center for Type Culture Collection (CCTCC), the preservation address is Wuhan University, Wuhan, Hubei province, the preservation date is June 28, 2022, and the preservation number is CCTCC NO: M2022994. The bacillus velezensis has a very strong antagonistic effect on plant fungal diseases such as rice blast and botrytis cinerea, is used for preparing a rice blast and botrytis cinerea bacteriostatic agent, provides a new material for developing a novel efficient bactericide, and has good economic and social benefits. 本发明公开了一种贝莱斯芽孢杆菌菌株及其在防治水稻稻瘟病及其葡萄灰霉病中的应用。该菌株为贝莱斯芽孢杆菌；保藏名称为贝莱斯芽孢杆菌Bacillus velezensis HY-46；保藏于中国典型培养物保藏中心(CCTCC)，保藏地址：湖北省武汉市武汉大学，保藏日期2022年6月28日，保藏编号CCTCC NO：M2022994。本发明贝