Sprayer Calibration

Sunday Mar 01, 2026

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.

How Does Codling Moth Mating Disruption Work?

Saturday Feb 21, 2026

Mating disruption dispensers work by releasing synthetic pheromone which prevents or delays males from finding females, thus reducing the reproductive rate of the population. Now is the time to decide which dispensers to place in the orchard so you have enough time for ordering and to organize your work force.

Fireblight Prediction and Management

Saturday Feb 21, 2026

Many consider blight an apparently random curse, and part of the game a pome fruit grower must play. As outbreaks do not occur yearly, damage always seems to be somebody else's problem, until it suddenly appears in your orchard.

Most Effective Strategies for Control of Obliquebanded Leafroller

Sunday Feb 15, 2026

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.

How Relevant Are Parasitoids for Leafroller Control?

Sunday Feb 15, 2026

Leafrollers have a number of parasitoids that naturally occur in orchards.