Western Flower Thrips

Thursday Mar 21, 2024

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

Friday Mar 15, 2024

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 th...

Most Effective Strategies for Control of Obliquebanded Leafroller

Friday Mar 15, 2024

Timing is everything when it comes to effective pest management. Knowing when a pest is susceptible to which kind of pesticide is the key for successful control.

WSU Pesticide Record Evaluator

Introducing the WSU Pesticide Spray Record Evaluator

Thursday Mar 07, 2024

At some point, many of us have heard from a grower or friend that "it's been a really bad year" for the control of a certain insect pest or "it's so bad we're going to need to pull this orchard out of organic management." While there are many causes for flare ups of a pest population, it begs the questions, 'when were treatments applied?' and 'which treatments in the spray program had the greatest effect on the pest population'?

Sprayer calibration

Sprayer Calibration

Tuesday Mar 05, 2024

While the WSU-DAS system focuses on using pest and disease phenology to properly time pesticide sprays, it is critical that the properly-timed sprays are applied correctly. Without proper coverage, sprays will not serve their intended purpose, and growers may waste material, labor, and money, without getting the anticipated control.