Monitoring Adult Codling Moth

Saturday Mar 15, 2025

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

Saturday Mar 15, 2025

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.

Introducing the WSU Pesticide Spray Record Evaluator

Friday Mar 07, 2025

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

Wednesday Mar 05, 2025

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.

Oriental Fruit Moth Monitoring Required for Export to Mexico or Canada

Saturday Mar 01, 2025

All stone fruit packed for shipment to Mexico or British Columbia, Canada must be inspected and be certified as free of oriental fruit moth (OFM). OFM must be monitored with traps from first adult flight throughout the season.