FIELD: agriculture. SUBSTANCE: proposed method of entomopathogenic preparation preparing is based on submerged cultivation of Bacillus thuringiensis followed by active fraction biomass isolation, its mixing with filler and sticking agent and drying. Before mixing with filler and sticking agent an active fraction is dissolved in alkali and precipitate is removed. Vinasse is used as a source of filler and sticking agent. Preparation is used for struggle against insect-pests in agriculture. EFFECT: simplified technology, increased activity of preparation. 2 cl, 3 tbl
Authors
Dates
1996-06-27—Published
1992-08-10—Filed