The white grape variety is an interspecific new breed between White Concord ( Niagara ) x a pollen mixture of the two varieties Delaware and Walter. Synonyms are Duchess and Riesling de Caldas. They are genes from Vitis aestivalis. Vitis labrusca and Vitis vinifera contain. The crossing of the hybrid was done in 1868 in Poughkeepsie in the eponymous Dutchess County (New York) by the breeder Andrew Jackson Caywood. The late-ripening vine is susceptible to Botrytis, both mildews and Black spots disease, It produces white wines with a subtle Foxton and citrus flavors. The variety is also called table grape used. It becomes in the US state new York (Finger Lakes), as well as in Canada (Ontario) and Brazil grown. In 2010, however, no stocks were shown (Statistics Kym Anderson ).
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)