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New Anglo-Swiss research questions impact of GM wheat on insects
Date:1/21/2011

They looked at the insect food webs that naturally colonised a number of diseaseresistant GM and non-GM strains of wheat in a semi-field and open field system.

The study compared the networks of feeding interactions of three species of herbivores that feed on the wheat, primary parasitoid wasps (eight species) that feed on the herbivores and secondary parasitoid wasps (13 species) that feed on the primary parasitoids. The properties of such interaction networks are thought to affect the dynamics of these complex systems and thereby the probability of insect pest outbreaks.

Simone von Burg added: "It is interesting to see that plant traits can affect the ecological community all the way up to the 4th trophic level, three feeding links removed from the plant, something which has been reported for several plant species now."


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Contact: Daniel Williams
d.d.williams@exeter.ac.uk
44-013-927-22062
University of Exeter
Source:Eurekalert

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