The red grape variety (also CAAB 3/22) is a new breed between Castets x Abouriou, The name came from a tributary to the Danube forgive. The crossing took place in 1976 in the Slovakia (then Czechoslovakia) by Dorota Pospíšilová, The variety protection was granted in 2011. By the way, the new breeds are with the same parents Nitranka. Rimava and váh emerged. The late ripening vine is susceptible to real ones mildew but resistant to Botrytis and spring frosts. It produces dark-colored, full-bodied red wines with aging potential that resemble Cabernet Sauvignon. The variety is cultivated in the southwest of Slovakia. In 2010, however, no stock was shown (Kym Anderson ).