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Wheat Leaf Disease Update (06/22/17)

The IPM scouts visited 93 wheat fields last week and the most common disease detected was tan spot (observed in 23% of the wheat fields).

Wheat Leaf Disease Update

The IPM scouts visited 93 wheat fields last week and the most common disease detected was tan spot (observed in 23% of the wheat fields). Stripe rust was found at the Carrington Research Extension Center and leaf rust was observed in Fargo (Figure 1). Some areas of the state had several days of prolonged leaf wetness periods (8 hours or more) and has increased the risk for fungal leaf spots and wheat rusts (Figures 2 and 3). In areas approaching flag leaf stage, continue to scout for fungal leaf spots and rust diseases to help determine if a flag leaf application is needed.

Friskop.1

Friskop.2 3

Andrew Friskop

Extension Plant Pathology, Cereal Crops

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