Microbe preparation for controlling and curing bacteroidal grancille wilt of plant and its method as well as usage

The present invention provides an agricultural formulation microorganism, the microorganism preparation comprising Bacillus polymyxa or cultured bacteria obtained using the fermentation liquid. Microbial formulations of the invention can be used not only for controlling plant bacterial wilt, but also for controlling plant seedling blight, damping-off disease, and cucumber fusarium wilt, tomato fusarium wilt, fusarium wilt of eggplant, tobacco brown spot disease, soybean root rot, and has a significant effect on promoting the growth of plants.