The white grape variety (also Geisenheim 18-92, Rajhenstajner) is a new breed between Müller-Thurgau x ( Madeleine Angevine x White Calabreser Calabrisi Bianco ), which was released by in 2012 DNA analysis has been confirmed. The name derives from the Reichenstein Castle near Trechtingshausen in the Rheingau. The father variety was crossed in 1939 by Dr. Heinrich Birk (1898-1973), the second crossing with the Müller-Thurgau was by Dr. Helmut Becker (1927-1990) in Geisenheim (Rheingau). The variety protection was issued in 1978. The variety was a cross partner in the new varieties bolero. Ehrenbreitsteiner. Gamaret. Garanoir and Mara, The early to medium ripening vine is resistant to the wrong people mildew and Botrytis, It produces a floral, neutral tasting white wine with moderate acidity. Holdings exist in Germany (100 ha), England (71 ha), Ireland. Japan. Canada (5 ha) and New Zealand (72 ha). In 2010, a total of 248 hectares of vineyards were reported (Statistics Kym Anderson ).
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)