The autochthonous, 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 Nus, Plant de Nus and Rouge de Fully. It is not allowed to use the variety despite the last synonym Rouge de Fully be confused. The name derives from the municipality Nus. According to the year 2011 DNA analysis is the variety from a presumably natural hybrid 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 mildew and Botrytis, It produces a colorful red wine, which serves as a blending partner in the DOC red wines Valle d'Aosta. The variety is exclusively in Italian aosta Valley cultivated in an area between the two municipalities Avis and Donnaz. In 2010, 13 hectares of vineyards with decreasing tendency were reported (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2011
Pictures: MIPAAF - National Vine Certification Service