The red grape variety comes from France, Synonyms are Rouge de Diolly, Salagnin and Sasteigne. It was once in the department Drôme cultivated in the Rhone Valley and was considered extinct. In the 1920s, the vine was cultivated by the Swiss vine grower Dr. Henri Wuilloud at the municipality of Diolly in the canton Wallis discovered and first named after the place of discovery Rouge de Diolly. According to in 2013 DNA analysis is a presumably natural cross between the varieties Mondeuse Blanche (white) x Tressot Noir (red). However, this is based on only 20 DNA markers (see under molecular Genetics ). Robin Noir was a crossing partner in the new breeding Diolinoir, No holdings were reported in 2010 (Kym Anderson ).
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)