METHOD OF PREPARING INSECTICIDE AGENT BASED ON BACILLUS THURINGIENSIS

摘要

biotechnology. SUBSTANCE: sodium chloride, carbon black, and coniferous odorant are added to culture broth containing spore-crystal complex of Bacillus thuringiensis and a part of sulfite-alcohol distillery dregs. Mixture is agitated and partially dried to give double-layered preparation with its shell consisting of dregs (85-90% of tits total quantity) and internal part comprising the rest of dregs and other ingredient. Preparation shows activity against coleopterous insects. EFFECT: increased stability on storage. 2 ex