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FHB Update from SD, June 26, 2017

Spring wheat in SD is now at flowering. However, it has been dry and currently temperatures are low. These conditions do not favor scab development, the reason why the FHB risk tool is showing low risk for FHB throughout SD. For spring wheat just starting to head, there is a need to keep checking on this FHB risk tool until wheat is done flowering. For moderate to high risk for FHB, plan a triazole fungicide at the flowering growth stage to manage FHB.


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


For more details, go to the FHB Risk assessment tool at


For the latest news and updates from the U.S. Wheat & Barley Scab Initiative, go to