Bordeaux wine regions Croix de Mont. All of these regions (except the Libournais) have their own "appellation" and are governed by "Appellation d'origine contrôlée" laws which dictate the permissible grape varieties, alcohol level, methods of pruning and picking, density of planting and appropriate yields as well as various winemaking techniques. Bordeaux wine labels will usually include the region on the front if all the grapes have been harvested in a specific region and the wine otherwise complies with the AOC requirements. There are about 50 AOCs applicable to the Bordeaux region. Both red and white Bordeaux wines are almost invariably blended. The permissible
History of Bordeaux wine varieties responded better to the grafting than others and these varieties—Cabernet Sauvignon, Cabernet franc, Merlot, Semillon, Sauvignon blanc and Muscadelle—became Bordeaux's leading grapes. Due to the lucrative nature of this business, other areas in France began growing their own wines and labeling them as Bordeaux products. As profits in the Aquitaine region declined, the vignerons demanded that the government impose a law declaring that only produce from Bordeaux could be labeled with that name. The INAO or Institut National des Appellations d'Origine was created for this purpose. In the twentieth century, the French wine market saw the effects of over