powdery mildew

Post-Harvest disease management for grapevine downy mildew and powdery mildew

Authors:

Matt Clark, UMN Assistant Professor and Extension Specialist, Grape Breeding and Enology
Leslie Holland, UW-Madison Assistant Professor and Extension Specialist, Fruit Pathology
Annie Klodd, UMN Extension – Fruit Production

If downy mildew and powdery mildew are present on grapevine leaves at harvest, control measures should be considered at that time to prevent early leaf drop and help vines properly acclimate for winter.