Testing and Tracking the Spread of Grapevine Red Blotch Virus in Oregon Vineyards

Grapevine red blotch virus (GRVB) is one of about 80 viruses infecting wine grapes worldwide. It may affect fruit ripening and thus impact the quality of finished wines. GRBV incidence increased from two to 10 times annually in the Willamette Valley and Southern Oregon vineyards sampled and studied from 2014 to 2016

EM 9306    Published January 2021    5 pages


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