The white grape variety (also Würzburg B 51-8-28) is a new breed between Riesling x Müller-Thurgau according to carried out in 2012 DNA analysis, The paternity of the indicated in the breed list Rieslaner it turned out to be wrong. She was named after the Egyptian god and "master of winemaking" Osiris named. The crossing took place in 1951 by the breeder Hans Breider (1908-2000) at the Bavarian State Institute for Viticulture and Horticulture in Würzburg, The variety has not prevailed in practice. In 2010, no stocks were reported in Germany (Statistics Kym Anderson ).
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)