The red grape variety comes from Italy; it is one of the numerous Lambrusco varieties, Synonyms are Anrè, Caruét, Corva, Croetto, Crova, Crovet, Crovìn, Moretto, Lambruso di Alessandria, Neretto di Alessandria and Stupèt. Despite apparently suggesting synonyms or morphological No similarities to the French variety César or the Piedmontese variety corva be confused. According to in 2006 DNA analysis probably exist Parent-offspring relationships to the varieties Neretto di Marengo and Malvasia di Casorzo, The assumption was also refuted that it was identical to the César.
According to a hypothesis, it is said to be from the famous Petrus de Crescentiis (1230-1320) under the name "Porcina". It was securely mentioned in 1787 under the name Crovet in the province of Asti Piedmont, as well as under the main name in 1879. The late-ripening, productive vine has a good resistance against the wrong people mildew and Botrytis, The rosé and red wines made from it are used only as a blend. The variety is among others in DOC wine Colli tortonesi authorized. In 2010, a vineyard area of 888 hectares was reported.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Images: MIPAAF - National Vine Certification Service