From: Toxicity evaluation of Aphidicidal crystalliferous toxins from Bacillus thuringiensis strains: a molecular study
Location
Total no. of bacterial colonies
No. of Bacillus colonies
No. of Bt colonies
Bt index
Karnataka
450
23
8
0.66
Andaman and Nicobar Islands
240
16
2
0.34
Assam and Arunachala Pradesh
190
14
0.36
Sikkim
200
12
3
0.23
Total
1080
65
15
0.3