The white grape variety (also Geneva White, GW 09, New York 45-010) is an interspecific new variety between Seyval Blanc x Chardonnay. It contains genes from Vitis lincecumii, Vitis rupestris and Vitis vinifera. The hybrid was crossed in 1953 by the breeders John Einset, Bruce Reich and Robert Pool at the Vine Breeding Institute of Cornell University in Geneva (New York State). The late-maturing, high-yielding vine is resistant to frost down to minus 26 °Celsius, but moderately susceptible to both mildew and botrytis.
It produces fruity, rather low-alcohol white wines with accentuated acidity, which are suitable for sparkling wine production. The variety is grown in many US states; these are Arkansas, Illinois (27 ha), Iowa (3 ha), Indiana (28), Kentucky (7 ha), Michigan, Missouri (77 ha), New York, North Carolina, Ohio (2 ha), Pennsylvania and West Virginia. In 2010, a total of 144 hectares of vineyard area was declared (statistics Kym Anderson).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)