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