BioWorks Cease Biological FungicideCEASE is an organic biofungicide CEASE is an organic biofungicide that provides effective control of a wide array of both fungal and bacterial pathogens. CEASE is also an excellent tank mix or rotational partner, compatible with most commonly used pesticides, nutrients and adjuvants. Active Ingredient Bacillus subtilis strain QST 713 CEASE controls a wide array of pathogens including but not limited to: Botrytis Downey Mildew Powdery Mildew Gray Mold