The red grape variety comes from Italy; she 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. It may, despite seemingly suggestive synonyms or morphological Similarities not with the French variety César or the Piedmontese variety corva be confused. According to done in 2006 DNA analysis probably exist Parent-offspring relationships to the varieties Neretto di Marengo and Malvasia di Casorzo, It was also refuted the assumption that it is identical to the César.
According to a hypothesis, it is said to have already become famous at the beginning of the 14th century Petrus de Crescentiis (1230-1320) have been described under the name "Porcina". It was 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, high yielding vine has good resistance to falsification mildew and Botrytis, The resulting rosé and red wines are used exclusively as a blend. The variety is among others in the DOC wine Colli Tortonesi authorized. In 2010, a vineyard of 888 acres was reported.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: MIPAAF - National Vine Certification Service