The red grape variety is a new breed between Schiava Grossa (Trollinger) x Riesling, Synonyms are Geisenheim 3-37 and Redberger. The parenting was done by in 2012 DNA analysis approved. Incidentally, the same parents are also the new breeders Kerner and Witberger emerged. The crossing took place in 1928 by Dr. med. Heinrich Birk (1898-1973) at the research institute Geisenheim (Rheingau), the variety protection was granted in 1969. But it must not with the variety Rotburger (synonym for Zweigelt ) be confused. The variety Rotberger was crossing partner of the two new breeds bolero and Piroso,
The early-ripening, high-yielding vine is prone to becoming real mildew and tends to form suckers, It produces a light ruby red wine with fragrant aroma, which is particularly suitable for the production of Rose and red sparkling wine, as well as a blend. In 2010 she finished in Germany 15 hectares of vineyards mostly in the growing areas Rheinhessen and Rheingau with falling tendency. 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 ).
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)