Toxicity of Cry1C residue to Cry1C-susceptible <i>Plutella xylostella</i> larvae after the toxin had been consumed by Cry1C-resistant <i>P. xylostella</i> larvae

A total 40 susceptible P. xylostella larvae was used in each treatment with 4 replicates (10 larvae/replicate). Means (±SE) followed by different letters are significantly different based on Fisher's LSD mean separation test (P<0.05)