


(Photo credit: left: Monica Cooper, middle and right: Mizuho Nita)
This web application will help diagnose a trunk disease based on symptoms and provide management options for the infected vine(s). The responses you provide through the image survey of symptomatic tissues will result in a diagnostic result and management recommendations. To begin, select the tissue where you find the most prominent symptoms.
Prepared by Mizuho Nita and Akiko Nita
Last update: May 2025

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