Zakeel, M.C.M.; Dissanayake, D.M.D.; Weerasinghe, P.A.
(Faculty of Agriculture-University of Ruhuna, 2009-06-01)
The protein toxins produced by Bacillus thuringiensis are the most widely used natural insecticides in
vector and pest control in agriculture. B. thuringiensis strains present in surface and sub-surface soil
samples ...