Western Flower Thrips

Sunday Mar 21, 2021

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.

Weather Data Makes DAS Run

Sunday Mar 21, 2021

Around-the-clock and accurate weather data are at the core of DAS. But when they are missing, DAS cannot make model predictions. While insect and plant development models are less prone to disruption, disease models cannot run without the necessary weather input.

Monitoring Adult Codling Moth

Monday Mar 15, 2021

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

Monday Mar 15, 2021

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

Sunday Mar 07, 2021

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'?