Pierce’s Disease (shown below) can kill a grapevine in 3 to 5 years. Outbreaks occur every 15 years or so in California and contribute to higher wine prices. To combat this problem, a UC Davis researcher has bred several varietals of grape that are resistant to the disease.
At a recent tasting of the first wines made from these new grapes, Michael Silacci of Open One commented, “I think we may have the next cult wine.” Wow.
Get the full story in Esther Mobley’s San Francisco Chronicle article.