The white grape variety is a new breed between Seyval Blanc x Zähringer. True parenthood was only established by DNA analyses carried out between 2014 and 2016; until then Cabernet Sauvignon x Bronner was accepted. It contains genes from Vitis lincecumii, Vitis rupestris and Vitis vinifera. The hybrid was crossed in 1983 by Norbert Becker (1937-2012) at the Viticulture Institute in Freiburg (Baden-Württemberg). The medium-early maturing, frost-hardy vine is resistant to both types of mildew; the tendency to trickle is low. The loose berry-like grapes protect against botrytis. It produces strong, fruity white wines. The variety was released as a quality wine grape variety in Austria in 2018 after a long period of testing and is also cultivated in Germany and Switzerland. However, no stocks were recorded in 2010 (Kym Anderson).
Pictures: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)