Summary: I have commented, from an ecological viewpoint, on Prof Trewavas's contribution at the RSE, Edinburgh meeting (27 Jan 2003), specifically examining potential advantages, disadvantages and ecological trade-offs from using chloroplast over-expression of insecticidal Bt toxins in GM crops.

<<RSE chloroplast final 7 March.doc>> (25kb)

Dr Nick Birch, Scottish Crop Research Institute, Dundee, U.K. I am a professional scientist who has studied insect-plant interactions and the ecological impacts of pest resistant crops (GM and conventional) for more than 20 years.

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