The white grape variety (also Elmer Swenson) is an interspecific new breed between Minnesota 78 ( beta x Witt ) x Ontario, They are genes from Vitis aestivalis. Vitis labrusca. Vitis riparia and Vitis vinifera contain. The crossing of the hybrid was done in 1955 (?) by the breeder Elmer Swenson (1913-2004) in later collaboration with the University of Minnesota. The variety protection was granted in 1978. It was a crossing partner for the new varieties Espirit and Swenson White, The vine is hardy to minus 26 ° Celsius and has a relatively good general resistance to diseases such as both mildews and Botrytis, She produces white wines with light Foxton and is also called table grape used. The variety is grown in the Midwest United States in the states Iowa (21 ha), Nebraska, Minnesota (8 ha) and Pennsylvania (2 ha) grown. In 2010, a total of 32 hectares of vineyards were designated in the United States (Statistics Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Images: Ursula Brühl, Doris Schneider, Julius Kühn-Institu t (JKI)