Chemicals applied to vineyards to control the growth of weeds. They may be either pre-emergent (or residual) or post-emergent (knockdowm). The latter group comprises two types, contact and syntemic herbicides. Residual herbicides act against germinating seedlings of the weeds, while post-emergent herbicides are applied only to the strip of ground directly under the vine, and weeds growing between the rows are controlled by cultivation or mowing.
Term much used in the wine world, initially smoewhat patronizingly but with increasing admiration in the last quarter of the 20th century as the New World's share of global exports rose from 3 to 23%, to distinguish the colonies established as a result of the longer voyages in the 15th century.
Of a wine is ist total concentration of volatile acids, those naturally occuring organic acids of wines that are separable by distillation. Wine's most common volatile acid by far is acetic acid (more than 96%).
The higher, southern part of the Médoc district of Bordeaux which includes the world-famous communes of Margaux, Pauillac, St-Estèphe and St-Julien, as well as the less glamorous ones of Listrac and Moulis.
Seminal central Italian wine first produced by the house of Antinori as a single-vineyard Chianti Classico in the 1970 vintage and then as a ground-breaking vino da tavola in the 1971 vintage.
French for "white of whites", may justifiably be used to describe white wines made from pale-skinned grapes. As the great majority of them are. A real significance only when used for white sparkling wines.
In common viticultural terms, the offspring of two varieties of different species, as distinct from a cross between two varieties of the same species, which is also known as an intraspecific cross.
Very large group of highly reactive chemical compounds of which phenol is the basic building block. These include many natural colour pigments such as the anthocyanins of fruit and dark-skinned grapes, most natural vegetable tannins such as occur in grapes, and many flavour compounds.
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.
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.
Is just west of, and very much smaller than, the much more famous Sancerre, near the city of Bourges, producing a not dissimilar range of red, white, and rosé wines which can often offer better value.
The practice of adding spirits, usually grape spirit, to wine to ensure microbiological stability, thereby adding alcoholic strength and precluding any further fermentation.
Italian term meaning literally "repassed", for the technique of adding extra flavour, and alcohol, to Valpolicella by refermenting the young wine on the unpressed skins of Amarone wines after these dried-grape wines have finished their fermentation in the spring, and racked off.
