The red grape variety (also known as Weinsberg S 341) is a new breed between Helfensteiner x Heroldrebe (which was confirmed by DNA analyses published in 2012). The crossing took place in 1955 by August Herold (1902-1973) at the teaching and experimental institute Weinsberg in Württemberg (Germany).
The varietal protection was granted in 1979. The name goes back to Immanuel A. L. Dornfeld (1796-1869), after whose initiative the viticulture school in Weinsberg was founded. With the same parents, the variety Hegel was also created. Dornfelder was a crossing partner of the new breeds Acolon, Cabernet Dorio, Cabernet Dorsa, and Monarch. The grape variety is one of the most successful German new breeds.
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