The white grape variety (also ES 422, Esprit) is a complex interspecific new breed between edelweiss x Villard Blanc, There are genes from eight vine species that are Vitis aestivalis. Vitis berlandieri. Vitis cinerea. Vitis labrusca. Vitis lincecumii. Vitis riparia. Vitis rupestris and Vitis vinifera, The crossing of the hybrid was done by the breeder Elmer Swenson (1913-2004) on his company at Osceola in Wisconsin, The variety protection was granted in 1984. The variety was a cross partner in new breeding Delisle, The early to medium ripening vine is resistant to frost down to minus 29 ° Celsius, but very susceptible to real ones mildew, as well as moderately susceptible to Botrytis and downy mildew. It produces fruity white wines without (despite Labrusca genes) Foxton, The variety is also called table grape used. It is found in small quantities in the Midwest United States in the states Colorado and Iowa grown. In 2010, however, no inventory was recorded (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)