Wheat Journal.

From: Farm Journal | Date: February 15, 2008| Author: | Copyright information

Byline: Wayne Wenzel

Scout for Hessian Fly Hessian flies are making an unwelcome comeback. Missouri, Oklahoma and Indiana, for example, recently identified the Hessian fly as a problem for the first time in 10 years. The use of resistant wheat varieties was an early and relatively successful response to control this pest. Unfortunately, Hessian fly populations seem to have adapted to the resistant varieties by producing new biotypes. Currently, these biotypes are able to feed on the various resistant varieties. The 16 biotypes are identified by the letter A through O and GP ...

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