Credit: Courtesy of U.C. Davis/ UC Davis

Almost 20 years ago, UC Davis researchers began to collect budwood from old zinfandel vineyards around the state to establish a vineyard at the university’s Oakville Research Station in Napa Valley. Today, this “Zinfandel Heritage Vineyard” encompasses 2 1/2 acres with 22 selections of vines. Recently, wine experts were asked to blind-test similarly prepared wines from eight of the test plot’s strains.

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