The grape variety comes from the United States but it is a species Vitis vinifera, About the origin nothing is known. Synonyms include Emperador, Genova, Genova Rosa, Red Emperador and Red Emperor. The versatile, red-berry vine is called Keltertraube, table grape and for raisins used. In California, it was until the 1980s, with 7,000 hectares of vineyards, one of the most important table grapes. The stock has shrunk to 300 hectares because of the variety Red Globe was replaced. It is especially well suited for very warm areas and is also used in Australia. Brazil. Chile. Mexico and South Africa grown. The variety was crossbred partner of the new breeds Blush Seedless. Centennial Seedless. Christmas rose. Crimson Seedless. Emerald Seedless. Red Globe and Ruby Seedless, A seedlessmutation is called Emperor Seedless .
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)