The red variety comes from Italy, Synonyms are Brunetta, Neret, Neret Gros, Neretto, Neretto di San Giorgio and Neretto Nero. It may, despite seemingly suggestive synonyms or morphological Similarities do not match the varieties Neret di Saint-Vincent. Neretto Duro. Neretto Gentile or Neretto Nostrano be confused. According to done in 2004 DNA analysis she is probably from a crossroads Nebbiolo x unknown (extinct) variety emerged). A suspected relationship with Sciaccarello ( mammolo ) is according to the biologist Dr. José Vouillamoz doubtful. The variety is after the municipality Bairo in the province of Torino Piedmont named. She is there in the DOC wines Canavese and Pinerolese authorized. The acreage in 2010 was 34 hectares with a strong downward trend (Kym Anderson ).
Source : Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures : MIPAAF - National Vine Certification Service