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Fusarium Head Blight (Scab) Update (06/09/16)

The moisture events across the state from last week have elevated scab risk for flowering wheat in northeastern and northcentral North Dakota.

Fusarium Head Blight (Scab) Update

The moisture events across the state from last week have elevated scab risk for flowering wheat in northeastern and northcentral North Dakota. The national FHB model indicates a moderate to high scab risk in susceptible winter wheat varieties for the next two days in these areas. The NDSU model indicates a moderate scab risk for susceptible wheat varieties in the northeastern corner of ND (Figure 1). For moderately susceptible varieties, the NDSU model indicates a moderate risk in the far northeastern corner of the state (Figure 2). Continue to monitor the growth stage of the wheat crop and use scab models when appropriate. The hot temperatures and low humidity in the next few days will lessen the risk for scab. However, rain events and elevated humidity levels can quickly change scab risk, so stay alert!

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Andrew Friskop

Extension Plant Pathology, Cereal Crops

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