Bacillus cereus strain for preventing and treating melon root rot, and culture method and application thereof

The invention relates to a Bacillus cereus strain for preventing and treating melon root rot, and a culture method and application thereof. The Bacillus cereus NY3 strain for preventing and treating melon root rot was collected by China General Microbiological Culture Collection Center on January 7th, 2016; the address is Institute of Microbiology, Chinese Academy of Sciences, No.3 Yard 1, Beichenxi Road, Chaoyang District, Beijing; and the strain collection number is CGMCC No.11962. The invention also discloses a method for preparing a liquid microbial inoculant by using the strain and application of the strain in preventing and treating melon root rot. The invention detects for the first time that the Bacillus cereus NY3 can effectively inhibit growth of Fusarium solanae under the condition of low concentration, has wide bactericidal application range, and has preventing and treating effects on cucumber root rot, tomato root rot and the like. 本发明涉及株防治甜瓜根腐病的蜡样芽孢杆菌及培养方法与应用。株防治甜瓜根腐病的蜡样芽孢杆菌(Bacillus cereus)NY3，