Downy mildew attacks all green parts of the vine and young leaves are particularly susceptible. When severly affected, leaves will drop off. The loss of leaves reduces photosynthesis and thus causes delays in fruit ripening and, typically, levels of fruit sugars, vine reserves of carbohydrates, and anthocyanins are depressed.
Italian term applied to DOC wines which are deemed superior because of their higher minimum alcoholic strength, usually by a half or one per cent, a longer period of ageing before commercial release, or a lower maximum permited yield, or all three.
Is hard and supple, and most oaks have watertight wood, which has the simple advantage over other wood types used for cooperage of displaying a natural affinity with wine, imparting qualities and flavours that today's consumers appreciate as enhancing or complementing those of many wines.
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.
Nebulous Italian term usually denoting a wine given extended ageing before release, and suggesting a higher quality, and a higher percentage of alcohol than the normal version of the same wine. The ageing requirement for Riservas varies from DOC to DOC, but normally is a minimum of one year, up to 62 months for Barolo Riserva. In many cases this must include a period in cask, aswell as in bottle.
Term used as France's shorthand for the country's finest dry sparkling wines made outside Champagne using the traditional method of sparkling winemaking.
Occasionally RS, the total quantity of sugars remaining unfermented in the finished wine. This may include both fermentable sugars, mainly glucose and fructose, which have for some reason remained unconverted to alcohol during fermentation, and small amounts of those few sugars which are not readily fermented by typical wine yeast.
Northernmost appellation of the Côte de Nuits district of the Côte d'Or. It is unique in Burgundy for having Appellation Contrôllée status for red, white, and pink 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.
Red-brown loam or clay directly over well-drained limestone found typically in regions with a mediterranean climate. Such soils are found in southern Europe, North Africa and parts of Australia.
