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Wednesday, July 27, 2005

GM crops created superweed, say scientists

Modified rape crosses with wild plant to create tough pesticide-resistant strain Paul Brown, environment correspondentMonday July 25, 2005The Guardian Modified genes from crops in a GM crop trial have transferred into local wild plants, creating a form of herbicide-resistant "superweed", the Guardian can reveal.

The cross-fertilisation between GM oilseed rape, a brassica, and a distantly related plant, charlock, had been discounted as virtually impossible by scientists with the environment department. It was found during a follow up to the government's three-year trials of GM crops which ended two years ago.

The new form of charlock was growing among many others in a field which had been used to grow GM rape. When scientists treated it with lethal herbicide it showed no ill-effects.--
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