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FHB Update from SD, 07/05/18

The risk for Fusarium head blight (FHB, scab) remains high for the most of the eastern half of the state and some parts of north and southwest SD.

Spring wheat that is at flowering or just done flowering may benefit from a triazole fungicide application. Although the most effective timing is at flowering (50% of the plants flowering), rainy weather conditions may prevent fungicide spraying at this growth stage. Research shows that there is still protection from FHB and DON within 6 days after flowering, therefore a fungicide can still be applied within this window.

 

–Emmanuel Byamukama, Extension Plant Pathologist , South Dakota State University

 

For more details, go to the FHB Risk assessment tool at http://www.wheatscab.psu.edu

 

For the latest news and updates from the U.S. Wheat & Barley Scab Initiative, go to https://www.scabusa.org