The red variety is an interspecific new breed between Alicante Ganzin x Trousseau Noir, Synonyms are Calif 526, California S 26, Kek Royalti and Royalti. They are genes of Vitis rupestris and Vitis vinifera contain. The intersection of hybrid took place in 1938 at the California Agricultural Experiment Station by Harold P. Olmo (1909-2006). At the same time here is the quite similar Olmo grapes originated with the same mother variety, both varieties were then released in 1958 together. The late ripening royalty is moderately tolerant of the real and the false mildew, She produces dark colored wines, which are very good as teinturier (Dyeing grape) are suitable. The variety is also called table grape used. It is mainly in California Central Valley grown. In 2010, a total of 97 hectares of vineyards were designated (Kym Anderson ).
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)