Progress of the Study on Bacillus thuringiensis as Biopesticides

Bacillus thuringiensis is one of the most effective and the most widely used microbial insecticides at present. The genetic bacterial strains, the fermentation process and the formulation of Bacillus thuringiensis as biopesticides are reviewed in this paper. The optimization of culture medium, operating conditions and type of fermentors are also addressed. Moreover, the existing problems and suggestions are discussed.