Synonym (also Blaue Zweigeltrebe) for the grape variety Zweigelt; see there.
The red grape variety (breeding number Klosterneuburg 181-2-71) is a new breeding between St. Laurent x Blaufränkisch (which was confirmed by DNA analyses carried out in 1997). Synonyms are Blaue Zweigeltrebe, Blauer Zweigelt, Cvaigelt, Cveigelt, Klosterneuburg 71, Rotburger, Semenac Cerni 71, Zweigelt 71, Zweigeltrebe and Zwiegelt. The cross was made in 1922 by Dr. Fritz Zweigelt (1888-1964) at the Klosterneuburger Weinbauinstitut (Lower Austria), who gave it the name Rotburger. It was not until 1975, in the course of the Quality Wine Variety Ordinance, that it was given the...
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Thorsten Rahn
Restaurantleiter, Sommelier, Weindozent und Autor; Dresden