Most Effective Strategies for Control of Obliquebanded Leafroller
Sunday Mar 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.
Monitoring Adult Codling Moth
Sunday Mar 15, 2026
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...
Oriental Fruit Moth Management in Washington Orchards
Sunday Mar 01, 2026
While Oriental fruit moth (OFM) has been a concern for Washington stone fruit growers for decades, infestations of this pest have only been noted in organic apple orchards in the lower Yakima Valley over the past few years. In 2017, damage from this pest showed up with a vengeance in several Washington orchards, most notably in sweet cherry and organic apple orchards in and around the south-eastern edge of Yakima County. While significant losses were noted in organic apples, the economic impact of the damage identified in cherry is currently unclear.
Introducing the WSU Pesticide Spray Record Evaluator
Sunday Mar 01, 2026
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'?
Oriental Fruit Moth Monitoring Required for Export to Mexico or Canada
Sunday Mar 01, 2026
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). <b>OFM must be monitored with traps from first adult flight throughout the season.</b>