FIELD: biotechnology, microbiology. SUBSTANCE: bacterium Bacillus brevis is grown on liquid nutrient medium containing nitrogen, carbon and mineral salt sources. Obtained cultural fluid is diluted with 0.03-0.05% solution of polyvinyl alcohol up to brevesine content in medium 200 mg/ml, not less. A preparation is used for protection of plants against infectious sicknesses. EFFECT: enhanced effectiveness of a preparation proposed. 2 tbl
Authors
Dates
1999-03-27—Published
1995-05-04—Filed