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GRAPE GRO WING Disease threats in nurseries ecent reports contend that an aerial form of phylloxera has been infecting nurser- ies. Eckhard Kaesekamp of Guillaume Nurseries said, "Aerial phylloxera stops the growth of plants. It doesn't transmit diseases, but if you don't catch it, you can't sell the plants. So you spray it, and it's done." Lucian Dressel of Davis Viticultural Research said the major problem in the eastern R United States is the Japanese beetle. "It loves all grapevines, and the Davis vines are no exception. The beetle can be controlled well with Sevin, however." Great River Vineyard & Nursery's John Marshall said some cultivars such as Frontenac and all its color phases get leaf galls of phylloxera intermittently, ranging from none to severe deformation of the leaf canopy. There are several sprays that are effective in control- ling this problem, he said. P.F. In Junction City, Ore., Brigadoon Vineyard is a rootstock/scion wood nursery that is certified by the Oregon Department of Agriculture with annual inspections. Among its offerings are Riparia Gloire, C-3309, 101-14, 1103-P and Schwarzmann rootstocks; fruiting clones of Pinot Noir 115, 777, Pommard 4 and 2A; Pinot Blanc 159 and 161, and Riesling 110, 198 and 239. HoytShepston_Monthly09 10/31/08 4:44 PM Brigadoon is replacing its older rootstock blocks with all new material from Washington State University's Irrigated Ag Research and Extension Center in Prosser, Wash. It enjoys an isolated location and planting in virgin soils so it is not affected by phylloxera and other pests. "We produce approximately 300,000 cuttings annually," said owner Chris Shown. Eastern nursery report Great River Vineyard & Nursery in Lake City, Minn., began growing grapes in Minnesota in the mid-1970s, when virtually no one else was. Today, John Marshall specializes in extremely cold- hardy hybrid grapes. He said the University of Minnesota's hybrids are most in demand, with Marquette being the No. 1 seller of cold-hardy winegrapes. He now offers three color phases of the University of Minnesota's original Frontenac grape: Frontenac, Frontenac Gris and Frontenac Blanc. Marshall said he also hopes to offer a Swenson hybrid, Osceola Muscat, which produces a Muscat-flavored wine from a cold-hardy vine. Grafted Grapevine Nursery in Clifton Springs, N.Y., is approaching its 55th year. Christian Avanzato says hybrids are becoming more and more enticing due to their winter hardiness, proven wine success, popular growing habits and the fact that they are more sustainable than vinifera in cold climates. "At the same time, it is safe to say that Riesling, Chardonnay and Merlot are still the most requested varieties," he said. Lucian Dressel, president of Davis Mori_Nov05.qxt 9/19/05 3:29 PM Page 1 Viticultural Research in Carrollton, SUPPLIERS OF QUALITY VIRUS CERTIFIED WINERY PLANNING High End Wines! Quality Products Real Efficiency Business Plans Building Layouts Equipment Specs Winemaking Dr. Tom Co�rell 800 793-6436 46 Wines & Vines FeBRUARY 2012 GRAFTED GRAPEVINES Deadline for Custom Grafted Order For Spring Planting is January of Previous Year For Further Information & Pricing Please Call or Write 1912 Concession 4 R.R. #2 Niagara-on-the-Lake Ontario, Canada LOS 1J0 Phone: 905-468-0822 Fax: 905-468-0344 Winery Design, www.WineDoc.com Operation, Consulting Tom@WineDoc.com