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Swenson Red

The grape variety (also Elmer Swenson 439, ES 439) is a complex interspecific new breed between Minnesota 78 ( beta x Witt x Seibel 11803 ( Rubilande ). They are genes of Vitis aestivalis. Vitis cinerea. Vitis labrusca. Vitis lincecumii. Vitis riparia. Vitis rupestris and Vitis vinifera contain. The intersection of hybrid was in 1962 at the University of Minnesota by the vine grower Elmer Swenson (1913-2004). The variety protection was granted in 1978. She was crossing partner of many more new breeds such as, inter alia Chisago,

Swenson Red - grape and leaf

The medium-ripening vine is prone to both mildews and Botrytis, but especially resistant to frost to minus 35 ° Celsius. A peculiarity is the depending on the weather different degree of ripeness of the berries from green to blue on a grape. It produces white wines and rosé wines with light Foxton, But it is mainly as table grape and the production of grape juice used. The variety is in the US states Iowa (2 ha), Minnesota (10 ha), Oregon and Wisconsin, as in Canada grown. In 2010 were in the United States a total of 11 hectares of vineyards reported (Statistics Kym Anderson ).

Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)

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