A procedure for preparing a microbial insecticide. (Machine-translation by Google Translate, not legally binding)

摘要

A method for preparing a microbial insecticide containing spores and crystalline endotoxin by culturing the microorganism bacillus thuringiensis in a nutrient medium until the formation of the spores has been completed following the preparation of the insecticide; characterized in that the step of aerating the nutrient medium during the cultivation is interrupted during cultivation between 63 and 7, preferably at 63 to 65. (Machine-translation by Google Translate, not legally binding)