Courtesy: UCANR
Researchers are seeing a drop in reported San Jose scale due in part to proper monitoring and treating for the pest.
Drop in San Jose Scale Reports
Cooperative Extension Area Integrated Pest Management Advisor Emily Symmes says these days a one-time dormant period monitor and sample for several pests can tell you if you need to treat your orchards at all. Symmes stressed the importance of monitoring the natural defenses at the same time as the pests.