This web application will help diagnosis of a trunk disease based on symptoms, and provide management options for the infected vine(s). The results and following recommendations are based on the responses you provide through the image survey of symptomatic tissues. To begin, select the tissue where you find the most prominent symptoms.
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Prepared by Mizuho Nita and Sabrina Hartley, Virginia Polytechnic Institute and State University
(Last update: 20 Jan 2016)