From: Molecular characterization and toxicity evaluation of indigenous Bacillus thuringiensis isolates against key lepidopteran insect pests
Crystal shape
Number of Bt isolates (out of 50)
% of occurrence
Bipyramidal
15
30.00
Cuboidal
20
40.00
Spherical
18
36.00
Crystals attached to spores
14
28.00
Rectangular
5
10.00