But GM corn has BT bacteria actually built into it. That might be more efficient- but there are some unfortunate consequences.
New evidence suggests that the GM technique could cause super-pests to evolve.
Authorities recommend that the farmers set aside 30% of their land as a refuge for traditional insect life, to prevent the super-bug taking hold.
But farmers say the most they can set aside is 20% - otherwise the GM crop becomes uneconomic.
Biotechnology has been working on the development of crops that produce BT toxins in the tissue-with the aim of fighting insect pests and reducing the ...
