In general, Bt has an effect against biting and chewing insects and not against sucking insect pests. As such, it is expected that the gene obtained from Bt is not effective against sucking insect pests. This has been proved in China too as GM cotton grown over 15 years showed that a bug developed as a major pest and GM cotton does not have any mechanism to control it.

More Gunasingham Mikunthan's questions See All
Similar questions and discussions