The red grape variety (also Klosterneuburg 1358-1-47) is an interspecific new breed between Zweigelt x Klosterneuburg 1189-9-77 ( Seyve-Villard 18-402 x Blaufränkisch ). They are genes of Vitis berlandieri. Vitis cinerea. Vitis lincecumii. Vitis rupestris and Vitis vinifera contain. The intersection of hybrid took place in 1970 by Dr. med. Gertraud Mayer am Klosterneuburger Weinbauinstitut (Langenzersdorf) in Lower Austria. A similar variety also created here is the new breed Rathay, The name became the former director of the institute Leonhard Roesler (1839-1910) honored. In Austria she was in 2000 as Quality wine-grape variety authorized. The medium maturing vine is resistant to both mildews ( PIWI variety ) and frost to minus 25 ° Celsius. It produces a deep dark, tannic and extract-rich red wine, which is good for one Barrique suitable. In 2009 she finished in Austria 161 hectares of vineyards with rising tendency.
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)