The white grape variety is a new breed between Riesling x Sylvaner what was released by in 2012 DNA analysis has been confirmed. By the way, the varieties are with the same parents Oraniensteiner. Osteiner and Rieslaner emerged. The cross was made in 1929 by Heinrich Birk (1898-1973) at the research institute Geisenheim, It was one of the many attempts to breed the Müller-Thurgau to understand when the Silvaner was mistakenly adopted as the father variety. The variety has not prevailed; in 2010 was in Germany no inventory reported.
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)