Mikulovská wine grown in Mikulovská than any other Moravian region. The most planted red varieties are Saint Laurent ("Svatovavrinecké", 310 ha), Blaufränkisch ("Frankovka", 248 ha), Zweigelt ("Zweigeltrebe", 181 ha), and Pinot noir ("Rulandské modré", 172 ha). Plantings of Blauer Portugieser ("Modrý Portugal", 92 ha) has decreased rapidly, while Cabernet Sauvignon (89 ha) has increased. The Czech Wine Classification System, set in the Viticulture Act of 2004, is based on the sugar content of the grapes at harvest. Sugar content is measured using the Normalizovaný moštomer (°NM) scale, a measure of how many kilograms of sugar are in 100 litres of must. 1
Wine Grapes franc may have originated in Basque country of Spain. Additionally the origins of the assumed to be French varieties of Mourvèdre, Grenache and Carignan are shown to likely be Spanish instead. Another detail revealed by DNA testing and reported in "Wine Grapes" is that several northern Italian white wine grape varieties including Favorita, Pigato and Vermentino are genetically the same grape vine which is known under the synonym of "Rolle" in France but has no genetic relationship to the Rollo grape of Liguria. A number of grape varieties are illustrated by reproductions of colour plates from "Ampélographie. Traité général de