Before concrete, stainless steel, and other inert materials replaced wood as the most common material for wine fermentation vessels and storage containers in the 1960s, each wine region had ist own legion of barrel types. Even today such terms as feuillette, tonneau, and fudre may be used to measure volumes of wine long after the actual containers themselves have been abandoned.
The general term used by winemakers to describe the harmless crystalline deposits that separate from wines during fermentation and ageing. The principal component of this deposit is potassium acid tartrate, the potassium salt of tartaric acid, which has therefore given rise to the name.
Are those which have been subjected to frotification and therefore include Sherry, Port, Madeira, Vermouth, Màlaga, Montilla, Marsala, Liqueur Muscat and Liqueur Tokay.
Sleep, the normal state of vines in winter. This period normally starts with autumn leaf fall, although buds are in a state of so-called organic dormancy from veraison onwards.
Common winemaking practice, named after its French promulgator Jean-Antoine Chaptal, whereby the final alcoholic strength of a wine is increased by addition of sugar to the grape juice or must, before and/or during fermentation, although if it is added before, the higher sugar level will make it harder for the yeast to multiply.
Literally "individual site" in the wine regions of Germany. Almost all of Germany's vineyards are officially registered as one of these approximately 2600 Einzellagen, which can vary in size from a fraction of 1 ha to more than 200 ha/494 acres. As in Burgundy, for example, the Einzellagen may be divided among many different owners.
Important commercial centre on the River Saône and capital of the Mâconnais dynamic district of Burgundy which produces considerable quantities of white wine and some red.
French term used to describe grapes which have been dried, or partially dried, before fermentation to increase the sugar content. It is used most commonly in Switzerland and occasionally in the Valle d'Aosta.
Winemaking operation of breaking open the grape berry so that the juice is more readily available to the yeast for fermentation and to increase the pulp and skin contact.
French term meaning "on the lees", customarily applied to white wines whose principal deviation from everyday white winemaking techniques was some form of lees contact.
The connection of two pieces of living plant tissue so that they unite and grow as one plant, has been a particularly important element in growing vines since the end of the 19th century.
Red winemaking process which transforms a small amount of sugar in grapes which are uncrushed to ethanol, without the intervention of yeasts, it is used typically to produce light-bodied, brightly coloured, fruity red wines for early consumption, most famously but by no means exclusively in the Beaujolais region of France.
Increasingly fashionable and aims at reducing the exposure of must and wine to oxygen in the winery by minimizing or eliminating practices such as racking, lees stirring, and the use of new oak barrels.
Means literally "late harvest" and in France is restricted to Alsace, where strict regulations cover ist production, even if too many producers are meeting only the bare minima.
A common plant acid, abundant in some fleshy fruits such as lemons, but rare in grapes. The grape is unusual among fruits in that its major acid is tartaric acid, rather than citric acid, whose concentration in the juice of most grape varieties is only about one-twentieth that of tartaric acid.
IP was developed as a concept in 1974, and major development has come from France, Germany and Switzerland. IP emphasizes a holistic approach to viticulture, by considering the vineyard as an "agro-ecosystem". The reduction of chemical inputs, especially nitrogen fertilizer and broad spectrum insecticides, is a first step.