 In 1855 there was an outbreak of oidium which affected wine production, three years after a similar outbreak in the Bordeaux (France) region.However, in 1892, the phylloxera plague devastated the vineyards, destroying an estimated 98% of the 50,000 ha of vines planted at that time.At the beginning of the 20th century, the vineyards were replanted by grafting onto New World rootstock.