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