And the Bt gene has been introduced into trees –North China poplars – which are now being field tested in Xinjiang and Inner Mongolia. The Bt gene has also been inserted into seven planted cotton ...

Detractors of Bt maize suggest several challenges, including the potential for effects on non-target organisms and gene flow between Bt maize and non-Bt maize, to outweigh any benefits.

In recent years, much effort has also been devoted to developing corn hybrids with genes from Bacillus thuringiensis (Bt) that encode insecticidal proteins. Some of these hybrids have exhibited ...