Fig. 6From: Molecular characterization and toxicity evaluation of indigenous Bacillus thuringiensis isolates against key lepidopteran insect pestsIn vitro insect bioassay with spore-crystal mixtures of Bt isolates against key lepidopteran pests. Negative control—water; positive control—HD1; toxic Bt isolates—T30, T357 and T388; non-toxic isolate—T393Back to article page