What We will have a walk-in clinic for the identification of phylloxera.  Come and learn how to identify phylloxera on roots, or bring in your own suspect samples!  We will have microscopes and various phylloxera (living and dead!) displays available. We will also be here to answer any questions you might have on phylloxera management. Have a sample you want identified?  Bring in your root tissue! Please have the roots double-bagged in plastic zip-top bags, and store the samples in…

Join WSU Viticulture Extension and the Washington Grape and Wine Research Program (Washington Wine Commission) for this webinar on the invasive Spotted Lanternfly. Spotted lanternfly is a major threat to wine grape production in the United States and has greatly impacted the regions where the invasive species has taken hold. Dr. Michela Centinari, associate professor of viticulture at Pennsylvania State University, will share her firsthand knowledge of spotted lantern fly. Learn why keeping it out of Washington should be a…

Attention Northwest fruit tree and grapevine nurseries and fruit growers!  This webinar will offer everything you need to know about the process of certifying fruit trees and grapevines for sale in the Pacific northwest. You will learn about about where nurseries access plants that will go into state certification programs, what the state requirements are for certified plants and how they change from state to state, and what the difference is between "clean", and state-certified plants. When: Dec 20, 2023…