Dunkelfelder

An artificial cross of undisclosed parents, Dunkelfelder was created by Gustav Adolf Fröhlich (1847–1912), a private breeder at Edenkoben in the Palatinate region (D). DNA tests have rejected the Blauer Portugieser × Teinturier cross hypothesis. It was named in the 1970s in reference to its unknown origin and its colour (Felder meaning field and dunkel meaning dark). An early grape with red juice, it is prone to powdery mildew. It is grown in Switzerland mainly to improve the colour of blends.