The red grape variety is a new breed between Schiava Grossa (Trollinger) x Riesling, Synonyms are Geisenheim 3-37 and Redberger. Parenthood was through in 2012 DNA analysis approved. By the way, the new breeds are from the same parents Kerner and Witberger emerged. The cross was made in 1928 by Dr. Heinrich Birk (1898-1973) at the research institute Geisenheim (Rheingau), the variety protection was issued in 1969. But it must not be used with the Rotburger variety (synonym for Zweigelt ) can be confused. The Rotberger variety was a cross partner of the two new varieties bolero and Piroso,
The early ripening, productive vine is susceptible to the real mildew and tends to form suckers, It produces a light ruby red wine with a fragrant aroma, which is particularly suitable for the production of Rose and red sparkling wine, as well as a blend. In 2010 she occupied in Germany 15 hectares of vineyards mostly in the growing areas Rheinhessen and Rheingau with a downward trend. There are also small stocks in the Trentino (Northern Italy), as well as in New Zealand. Canada (1 ha), the United States and South Africa (Kym Anderson ).
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)