Conclusion: The control efficiency after 7~10 days of the 800times of 10 billion spores/ml empedobacter brevis GXW15-4 pesticide is about 95%,it is safe for cauliflower.we recommend to use 800~1000times of empedobacter brevis GXW15-4 pesticide in Land For Growing Field Crops,sparying equably and it is best to use in morning or afternoon.