New Vines Resistant to Pierce's Disease
Issue: June 15, 2007
Grape breeders at the University of California, Davis, hope they're close to producing vines that are resistant to Pierce's disease, which kills grapevines. UC, Davis, professor Andrew Walker, a grape breeder, used wild American grape varieties—all of which are resistant to Pierce's disease in varying degrees—to breed a group of eight new vines (four red, four white), with strong resistance.
For the full article, check out the new issue of Wine Spectator, on newsstands May 17, 2007.