Screening of Bacillus thuringiensis Isolates Recovered from Diverse Habitats in India for the Presence of cry1A-type Genes and Cloning of a cry1Ac33 Gene Toxic to Helicoverpa armigera (American Bollworm)

Rajendra K. Meena, Gunda Gouthami Krishna Kumari, Alpana Govind, T. Gujar and Sarvjeet Kaur

Asian Journal of Biotechnology 4 ( 2 ): 53 - 69 , 2012