The red grape variety comes from France, Synonyms are Engrunat, Gros Machouquet, Gros Verdau, Machouquet, Machoupet and Nicouleau. Despite apparently suggesting synonyms or morphological No similarities with the varieties Béquignol Noir or Fer be confused. According to 2012 DNA analysis it comes from a cross between Gros Cabernet x Camaraou Noir, However, this is based on only 20 DNA markers (see under molecular Genetics ). The vine was found near the commune of Saint-Macaire in the forest around 1870 by a certain M. Nicouleau. A few years later, it was allegedly propagated by an M. Castets from the municipality of Saint-Pierre d'Aurillac (Gironde). But it could also have been named after the municipality of Castets-en-Dorthe. Castets was a crossing partner for the six new Slovak varieties Hron. Nitranka. Rimava. Rudava. Torysa and váh,
The medium-ripening, not particularly productive vine with small berries is particularly resistant to the wrong, but susceptible to real ones mildew, It produces dark-colored, alcohol-rich but low-acid red wines with aging potential. The variety was widespread across central and southern France. Today she is in the appellations palette and Vins d'Estaing authorized. The acreage of the greatly reduced variety is now only half a hectare. It should also have a small stock in California give.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)