Bacillus firmus granules as well as preparation method and application thereof

The invention relates to the field of granules, and particularly discloses a bacillus firmus granule as well as a preparation method and application thereof. The bacillus firmus granule is prepared from the following raw materials in parts by weight: 0.5 to 1.5 parts of bacillus firmus mother powder, 5.5 to 7.5 parts of a promoting component, 88 to 276 parts of a carrier, 2 to 5 parts of a wetting agent, 2 to 5 parts of a dispersing aid and 2 to 5 parts of an adhesive, the preparation method comprises the following steps: uniformly mixing the bacillus firmus concentrate, the promoting component, the wetting agent, the dispersing aid and the carrier, crushing, adding the binder, and finally extruding and granulating to obtain the bacillus firmus granule. The bacillus firmus granule can be used for preventing and treating tomato and tobacco root-knot nematode, and has the advantage of improving the prevention and treatment effect of the bacillus firmus granule on the root-knot nematode. 本申请涉及颗粒剂领域，具体公开了一种坚强芽孢杆菌