NEW STRAIN OF BACILLUS SUBTILIS FOR COMBATING PLANT DISEASES

摘要

The present invention relates to an isolated strain of Bacillus subtilis (IAB/BS/03) deposited at the DSM German Type Culture Collection under Access No DSM 24682, or a mutant of said strain, and also deposited at the Spanish type culture collection under Access number CECT 7254, the property of the company filing the patent, in which said strain and/or the mutant thereof exhibits antifungal and antibacterial activity, with a profile of action different from that of other strains of Bacillus subtilis and with much greater potency in terms of the capacity thereof to act as a field biological control agent. The invention also includes methods for preventing and treating fungal and bacterial diseases in plants using said bacterial strains or supernatants containing antibiotics or pure antibiotics obtained from said bacterial strains, in which said antibiotics are contained in a composition.