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WSU Decision Aid System

WSU Decision Aid System

Monitoring Adult Codling Moth

Tuesday January 02, 2018 12:29am
Adult codling moth (CM) are monitored with traps baited with either CM pheromones or a mixture of pheromones and an attractant (Combo D/A lure). Pheromone traps should be placed in the upper 1/3 of the tree canopy before first apple blossoms open or by 100 DD since January 1 whichever comes first. If you are not using mating disruption...

New CM Control Strategies

Tuesday January 02, 2018 12:29am
A new method of controlling codling moth has been developed at WSU where timing of the sprays is altered to take advantage of the slow start of egg laying.

Storage Scald of Apples

Saturday August 12, 2017 2:11am
The appearance of storage scald has been related to orchard temperature during the final weeks of fruit maturation. DAS provides accumulated hours below 50°F as well as orchard management recommendations for this postharvest disorder.

Predicting Third Generation of CM

Tuesday August 01, 2017 12:10am
Predicting the extent of the third generation of codling moth (CM) is based on a statistical relationship of the degree-days historically found on 1 August and at the end of the season on 1 November. We update this prediction roughly every 10 days after 15 August because the DD prediction for 1 November gets more accurate as we get closer.

Potential Slow or Interrupted Service

Monday July 24, 2017 8:46am
It has been determined that the server equipment of the WSU Tree Fruit Research & Extension Center is old and inadequate for current needs and has to be replaced. This could mean potential slow down or interruption of DAS services.We apologize for any inconvenience this might cause in the meantime! We will inform DAS users when the issues have been resolved.The DAS Team
Decision Aid System v. 6.8.0 (DAS) - Tree Fruit Research & Extension Center
1100 N Western Ave, Washington State University, Wenatchee WA 98801, 509-663-8181
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