USPEST.ORG Oregon IPM Center Hourly Weather and Plant Disease Risk Models Home

Technical Documentation and Links for Plant Disease Risk and Other Hourly Weather Driven Models

Len Coop
Assoc. Dir. Decision Support Systems
Oregon IPM Center
Oregon State University

Our disease model system accesses hourly and sub-hourly data from numerous real-time and archival weather stations (>33,000 stations, 2021) to compute a variety of plant disease risk and horticultural models. Currently the following models are available:

  1. Apple Scab infection risk
  2. Pear Scab infection risk
  3. Gubler Thomas Powdery Mildew
  4. Hop Powdery Mildew
  5. Cherry Powdery Mildew
  6. Pearson-Gadoury Powdery Mildew
  7. Cleistothecial Powdery Mildew
  8. Strawberry Powdery Mildew
  9. Anjou Pear Scald
  10. Fire Blight (Cougar Blight)
  11. Fox-Broome Botrytis infection risk
  12. Blueberry Mummy Berry
  13. Boxwood Blight infection risk
  14. Dollar Spot (turfgrass)
  15. Potato / Tomato Late Blight
  16. TomCast Disease Severity Values (DSV)
  17. Vapor Drift Risk Estimation Model
  18. Custom Degree-Hour Accumulation Model
  19. Chilling Hours models

Use these models with caution. Please see our Disclaimer.


Last updated 09/14/2021

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