Orange wheat blossom midge (Sitodiplosis mosellana Géhin) is one of the most damaging pests of wheat in western Canada. This project was undertaken to identify additional wheat genes that can prevent wheat midge damage. Currently, there is a heavy reliance on the wheat midge resistance gene Sm1 in western Canadian wheat varieties, which leaves the crop vulnerable if or when the wheat midge population adapts to or overcomes the Sm1 resistance gene.

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