WSU Decision Aid System

WSU Decision Aid System

NEW Model: Honey Bee Foraging

Wednesday April 11, 2018 12:39pm
Are the weather conditions favorable to bee foraging activity? The new honeybee foraging model predicts bee activity by looking at past, current, and forecast weather conditions.

San Jose Scale Management

Wednesday April 11, 2018 12:37pm
San Jose scale is a relatively easy pest to control, but a dangerous one to leave uncontrolled.  After a few years of infestation, limbs and even entire trees can be killed if heavily attacked, and high percentages of the fruit can be infested. Large trees are most often associated with scale problems, because of the suitable habitat they provide and the difficulty of obtaining thorough spray coverage.  However, young trees can also develop a scale problem surprisingly quickly.

How to Effectively Manage Codling Moth

Wednesday April 04, 2018 12:55pm
Without any intervention, codling moth numbers increase about four-fold from generation to generation. Therefore, targeting the first generation is important to reset the population size to a minimum. Control measures for subsequent generations can be adjusted to the local pest pressure indicated by trap counts.

Western Flower Thrips

Wednesday April 04, 2018 12:07pm
Western flower thrips feeding causes bloom distortion and poor fruit set. Egg-laying punctures create "pansy spot" on some cultivars. Adults can be sampled using either beating trays or blue sticky cards.

Monitoring Adult Codling Moth

Tuesday April 03, 2018 9:23am
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...
Decision Aid System v. 6.8.0 (DAS) - Tree Fruit Research & Extension Center
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