Published in Good Fruit Grower
By Melissa Hansen, Washington State Wine Commission
November 2, 2020
Last year’s increase in the detection of grape phylloxera in several Washington wine growing regions underscores the importance of a strong industry-driven research program. Immediate response from industry organizations and partners provided growers and wineries with vineyard sanitation protocols to prevent spread, but it’s industry-supported research that will help provide intermediary solutions.
Long-term management of phylloxera in Washington state vineyards will include the use of phylloxera-resistant rootstocks. But research plays a key role in studying potential short-term and intermediary solutions that give growers time to develop a planned and measured response if phylloxera is discovered in a vineyard.
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