The white grape (also Geisenheim 9-97) is a new breed between Riesling x Sylvaner What was published in 2012 DNA analysis was confirmed. Count Friedrich Karl Maximilian von Ostein (1735-1809) was honored with the name, who had the Ostein'sche Palais and a landscaped park built in Geisenheim. Incidentally, the same parents are also the three new breeds Multaner. Oraniensteiner and Rieslaner emerged. The breeding took place by Dr. med. Heinrich Birk (1898-1973) in 1929 at the research institute Geisenheim in the Rheingau. The variety protection was granted only in 1984. The medium to late-ripening, high-yielding vine is resistant to frost, both mildews and Botrytis, It produces fresh, acidic white wines with aromas of currants and lemons. In Germany is there a trial cultivation. In 2010, only a small stock of one hectare was in New Zealand expelled (Statistics Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)