Mission Statement

The WSU- Tree Fruit Decision Aid System (DAS) is the premier source of time-sensitive information for management in Washington State tree fruits. We are open and eager to collaborate with scientists to integrate tools, management information, and models into DAS that will assist the Washington tree fruit industry make the best management decisions and remain competitive in the world economy.

Testimonials from DAS users

• “Invaluable tool which I and other consultants use daily.”
• “You have done wonders. It’s by far the best DSS [decision support system] anywhere.”
• “DAS will be great for new people coming into agriculture. It has been a help to those of us near going out. Our company has an internship program for young people entering agriculture. I encourage them to use this program. When you advise to farm, you need the weather every day. Thank you!”
• “It’s a great system, keep up the good work, thanks!”
• “Thanks for the great tool.”

How does it work?

1. Sign up for an account. (DAS)
2. Choose weather stations near your orchard location (a user fee is required per weather station annually, all models included).
3. choose pest and horticultural models.
   • Insect models: apple maggot, Campylommabug, codling moth, honey bee foraging, Lacanobiafruit worm, oblique-banded leafroller, oriental fruit moth, Pandemisleafroller, peach twig borer, San Jose scale, Western cherry fruit fly;
   • Disease models: apple scab, fire blight, cherry powdery mildew
   • Disorders: storage scald, sunburn browning of apple;
   • Horticultural models: blooming (Ambrosia, Cripps Pink, Gala, Red Delicious), fruit growth (Cripps Pink, Gala, Red Delicious).
4. View model output:
   • Current and forecasted status of pests or issue;
   • Management recommendations depending on the pest status.
5. Access management information from the WSU Crop Protection Guide.