Ner d'Ala is a red wine variety . It is cultivated in small quantities in the eastern part of the Italian Aosta Valley in the municipalities of Issogne , Verrès , Montjovet and Arnad . A study published in 2002 showed that Ner d'Ala is identical to the Verdes and Uva di Biella varieties grown in northern Piedmont . There is also a close relationship with the Provinè variety grown in central Piedmont.
Ner d´Ala belongs to a group of grape varieties that were able to maintain themselves in the geographical island location of the Alpine regions of Italy and the Valais in Switzerland. The following varieties belong to this group:
- Red wine varieties: Bonda , Cornalin d'Aoste , Cornalin du Valais , Crovassa , Durize , Eyholzer , Fumin , Goron de Bovernier , Mayolet , Ner d'Ala, Petit-Rouge , Prëmetta / Prié rouge, Roussin , Roussin de Morgex , Vien de Nus , Vuillermin .
- White wine varieties: Completer , Himbertscha , Humagne Blanche , Lafnetscha , Petite Arvine , Planscher , Prié Blanc , Resi .
Gros Vien (this synonym also applies to the Vien de Nus grape variety), Nerdela and Vernassa. Through the DNA analysis in 2002, the synonyms Verdes and Uva di Biella were added.
Ner d'Ala is an autochthonous variety in the Aosta Valley
The values were collected between 1996 and 1998 in the Breil district near Châtillon at an altitude of in a south-facing vineyard:
- Budding: April 18 (→ BBCH scale for grapevines )
- Flowering: June 13th
- Maturity: August 25th
- Harvest: October 8th
- Pierre Galet : Dictionnaire encyclopédique des cépages . 1st edition. Hachette Livre, Paris 2000, ISBN 2-01-236331-8 .
- Giulio Moriondo: Vini e Vitigni Autoctoni della Valle d'Aosta. (139 pages) . 1st edition. Institut Agricole Régional, Aosta 1999.
- Ner d'Ala in the database Vitis International Variety Catalog of the Institute for Grapevine Breeding Geilweilerhof (English)
- Biodiversity of grapevines (Vitis vinifera L.) grown in the Aosta Valley (PDF; 330 kB) by M. Labra, G. Moriondo, A. Schneider, F. Grassi, O. Failla, A. Scienza and F. Sala, in Vitis 41, pages 89-92