The white grape is a new breed between Tramín Cervený ( Gewurztraminer ) x Veltlínske Červené Biele (Red-White Veltliner). By the way, with the same parents is also the new breed Hetera emerged. Synonyms are Ryvola (was first name) and TCVCB 15/4. The crossing took place in 1958 in Slovakia (at that time Czechoslovakia ) by Dorata Pospisilova and Ondrej Korpas. The variety protection was granted in 1998. The medium to late-ripening, high-yielding vine is resistant to frost and wrong mildew but prone to Botrytis, It produces full-bodied, alcoholic, aromatic White wines with flowery Aromas. She will be in the Slovakia (133 ha) and in Czech Republic (19 ha) cultivated. In 2010, she finished a total of 152 hectares of vineyards (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012