Small Grain Disease Forecasting Model

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June 22, 2015 The IPM survey scouts identified tan spot in 45% of the fields. However, severity still remains relatively low. Stripe rust was only detected in approximately 11% of the fields and in some cases stripe rust lesions were detected on the flag leaf. Continue to monitor stripe rust, especially in later planted spring wheat fields. Scab risk has increased for a large portion of southern North Dakota (south of I-94). Additional areas of moderate to high risk are on the eastern side of the state. With the recent rains and likelihood of more rain in the future, producers should consider timely fungicide applications. For wheat, a triazole fungicide applied at early-flowering is most efficacious, and for barley, the optimum timing is at full head.

If you have any questions, contact the Department of Plant Pathology, NDSU, Fargo, ND 58105 (701-231-7627).

Dr. Andrew Friskop, Cereal Extension Pathologist
Phone # 701-231-7627
  andrew.j.friskop@ndsu.edu


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Small Grain Disease Forecasting Model

Close up of wheat field bannerThe NDSU Small Grains Disease Forecasting Model assists producers in estimating the possibility of disease in their crops and gives recommendations as to possible preventative applications and times for these applications. This is done in conjunction with NDAWN weather station locations within North Dakota and sections of western Minnesota and eastern Montana.

As easy as 1-2-3

NDAWN logo
1.  Click on the NDAWN station location nearest you
  - see NDAWN Home Page for a station location map
2.  Click the button representing the growth stage of your crop
  - see the growth stage information for explanations of growth stages
  - click on the small image to see a larger image
  - select the Flowering growth stage to access the scab forecast
  - or see NDAWN's estimated growth stage for your crop based on planting date.
3.  Click "Get Forecast".

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