Evaluation of Brevibacillus brevis and Bacillus firmus Strains in Mangement of Fungal Pathogens

KH-7 strain of Brevibacillus brevis and M-10 strain of Bacillus firmus were found to possess antagonistic ability against Fusarium solani, Alternaria solani, Rhizobacteria solani, Pythium ultimum and Streptomyces scabies in laboratory and field conditions and improved plant growth and yield of cv. Kufri bahar of potato under field conditions.