Tempranillo blanco region came to an agreement that would allow the planting and use of Tempranillo blanco in white Rioja wines produced under the DOC labels. Tempranillo blanco was one of three native white varieties added to permitted list of Rioja grapes--Maturana Blanca and Turruntes being the others. Additionally, Maturana Tinta, Maturano, Monastel, Chardonnay, Sauvignon blanc and Verdejo were added with Tempranillo blanco in the first major change of the Rioja wine laws involving grape varieties since the wine region was officially established in 1925. Under the DOC rules, in order to have new plantings of Tempranillo blanco vineyards must pull up
Peloursin Rif" (later Durif) by ampelographer Victor Pulliat in 1868. Durif later made its way to California where it was eventually named Petite Sirah. In the late 20th century University of California, Davis researchers led by Dr. Carole Meredith discovered that some of the California plantings of Petite Sirah were, in fact Peloursin, and that Peloursin had a parent-offspring relationship with Durif that likely sprung from a crossing with Syrah. Peloursin is a vigorous grapevine capable of producing high yields and excessive foliage if not kept in check with winter pruning and summertime leaf pulling. The variety tends to be a