- Author: Olivia Pisano
Published on: January 11, 2013
In November, Grapevine Red Blotch Disease was announced by University of California, Davis scientists, Mysore Sudarshana and James Wolpert. The disease was discovered after grapevines that appeared to be exhibiting symptoms of Leafroll Disease tested free of Leafroll and Rugose Wood viruses.
The symptoms include irregular red blotches on leaf blades of basal portions of shoots starting in late August, reddening of the secondary and tertiary veins, and a low Brix units. Occasionally reddening of leaf blades in the interveinal zones occurs,...
Tags: Grapes (12), Grapevine Viruses (7), Grapevines (5), James Wolpert (1), Mysore Sudarshana (1), Red Blotch Disease (6)
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