The white grape variety comes from Sardinia (Italy). Synonyms are Bariadorgia Bianca, Bariadorza, Barria Dorgia, Gregu Bianco, Carcaghjolu Biancu, Carcajola, Carcajola Bianco, Carcajolo Blanc, Gregu Bianco. Bariadorgia comes from the Sardinian area Alghero, It is identical to the Corsican Carcajolo Blanc, which was first mentioned here in 1822. According to 2007 done DNA analysis is also in the Sardinian area Campidano di Terralba occurring Gregu Bianco identical. Despite seemingly suggestive synonyms, however, she is not allowed to use the quite similar Corsican variety Biancu Gentile be confused. The Corsican red variety Carcajolo Noir is also not related. The medium maturing vine is very profitable, as the name implies (Carcajolo means "heavy laden"). She is prone to Botrytis and real mildew, The variety produces acidic, aromatic white wines with moderate alcohol content, On Corsica under the name Carcajolo Blanc, it is mainly cultivated in the southern areas of Sartène and Figari. In the late 1980s, there were nearly 20 hectares of vineyards, in 2010, however, no stocks were reported (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012