The indigenous, red grape variety comes from the border area Italy and Switzerland, Synonyms are Gros Oriou de Nus, Gros Rouge, Gros Vien, Gros Vien de Nus, Oriou, Planta di Nus, Plant de Nus and Rouge de Fully. Despite the last synonym, it is not allowed with the variety Rouge de Fully be confused. The name is derived from the municipality of Nus. According to in 2011 DNA analysis is the variety from a presumably natural cross Petit Rouge x unknown partner emerged. There are also close relationships with the varieties Eyholzer and Rouge du Pays, The variety becomes a grape variety group in Switzerland Old plants counted. The early ripening vine is resistant to frost but prone to real ones mildew and Botrytis, It produces a colorful red wine that serves as a blending partner in the DOC red wines Valle d'Aosta. The variety is made exclusively in Italian aosta Valley cultivated in an area between the two municipalities of Avis and Donnaz. In 2010, 13 hectares of vineyards were shown with a downward trend (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2011
Images: MIPAAF - National Vine Certification Service