Mildew

Downy mildew
Downy mildew is common vine disease, often occurring in warm, humid growing conditions.
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Mildew
The same fungus that plagues home owners can be found in the vineyard, with the same undesirable results. There are two types in the vineyard, "downy" and "powdery.

MILDEW
Grapevine disease. Can be devastating but is usually controlled by dusting the vines with sulfur or spraying with organic fungicides.

Downy mildew
Downy mildew is a common but devastating vine disease due to excessive humid and warm weather conditions.

Downy mildew
A common vine disease favoured by warm, humid conditions. It results in unhealthy leaves and shrivelled fruit. May be controlled with the use of Bordeaux mixture.

downy mildew - fungal vine disease.
élevage, French term with no direct English equivalent for the wine-maturing processes involved between fermentation and bottling.
enology, US spelling of oenology.

Downy mildew: A vine disease, that if not controlled, adversely affects the quality of grapes. Most commonly occurs in warm, humid climates.

Powdery mildew - One of several fungi that can cause severe damage to grape crops; also called oidium.

This mildew can be treated with sulfur or fungicides, especially Strobilurines.

Diseases
Mildew - Two versions of mildew, downy and powdery, attack the green parts of the vine. The leaves and fruit are damaged, and ultimately the crop is ruined. Mildew can be prevented by a regular spraying programme.

Attacked by powdery mildew and downy mildew, rot and tolerant and good resistance to spring frosts. The production is inconsistent, often because of casting and millerandage phenomena of the bunch.

MUSTY: Moldy or mildewy smell. Resulting from wine made of moldy grapes, stored in improperly cleaned tanks and barrels, or contaminated by a poor cork.
NEBUCHADNEZZAR: Oversized bottle holding 15 liters; the equivalent of 20 standard bottles.

The mixture is sprayed onto the vines to treat downy mildew. It is permitted for use in organic and biodynamic vineyards. botrytisA form of fungus which grows on ripening grapes.

The grape is difficult to grow because its prone to mildew and produces small yields. If left to overripen, it will have a bland, winery taste and high alcohol.

Around the half of the 1800's, with the advent of oidium, began a new dark era for viticulture, followed by mildew and then phylloxera.

Vine has moderate vigor, requires no spraying against Powdery Mildew but may need a couple for protection against Downy Mildew if season is unusually wet. Recently developed by Cornell Univ. viticulturists.

These factors make Zinfandel somewhat susceptible to bunch rot and some types of mildew. Water management is particularly critical to raising Zinfandel. Under stress from lack of moisture, it is prone to raisining.

Describing wine with stale, moldy or mildewy smell.
-N-
Noble
Classic grape varieties that are used to produce the world's finest wines: Cabernet Sauvignon, Syrah, Merlot, Chardonnay, Sauvignon Blanc, Semillon, Riesling, Nebbiolo, ...

Having an off-putting moldy or mildewy smell. The result of a wine being made from moldy grapes, stored in improperly cleaned tanks and barrels, or contaminated by a poor cork. 2.

Resistance to Powdery Mildew also appears superior. Designed to be a hot-climate tolerant variety, it has minimal frost resistance.

A thin-skinned, early ripener, pinot noir is prone to a host of viticultural maladies, from mildew and rot to viruses like fanleaf and leafroll.

Oidium
Latin for hatred; plant mildew or rot, splits plants and grapes causing immediate death; no harvest possible
Olfactory nerve
Nerve behind the nose used to record senses of smell, fatigues quickly ...

Residual sulfur on the grapes as the result of a late spray for powdery mildew;
Some yeasts, such as Montrachet(UCD 522) and some strains of Steinberg, are known to produce higher levels of H2S; and more commonly, ...

Brick, oiled redwood and mahogany wood are favored building materials for constructing a wine cellar. Since rot and mildew can occur in wine cellars, untreated woods should be avoided.

Elemental Sulfur: A chemical used to dust vineyards as a control for powdery mildew.
Enologist: The American and South African spelling of Oenologist, one who studies wine and winemaking.

It is also time to order Bordeaux mixture needed for spraying as protection against mildew and other diseases and pests. As spring continues, the vines emerge from dormancy. Sap begins to rise and brown sheaths, which have covered the buds, fall off.

MUSTY (also see DIRTY, CORKED).
A wine that displays unpleasant "mildew" or "moldy" aromas. Results from improperly cleaned storage vessels, moldy grapes or cork.

Ideal cellaring conditions involve a humidity level of around 70%. Too high and mildew can develop on the labels and corks; too low and the cork can dry out, shrink, allow oxygen into the bottles and result in spoilage of the wine.

Chancellor
Quite tannic and known for its plum-cedar aroma, this grape is susceptible to powdery mildew and must be carefully scrutinized before crushing.

Sensitive to diseases such as "Downy Mildew". Has the alias name of Xeres in California and Morrastel in France. Confusingly is also an Australian synonym for the Mourvedre hot climate grape. (See below).

MILDIOU (MILDEW)
Disease caused by a parasitic mushroom which attacks the green bodies of the vine.
MILLÉSIME (VINTAGE)
Year of harvest of a wine.
MISTELLE
Must of fresh grape, rich in sugar, whose fermentation was stopped by the alcohol addition.

Mildew fungal infection of the vine. Millerandage This term describes the failure of some grapes in a normal bunch to fully develop resulting in uneven berry size.

See also: Grape, Region, Wine, Style, Aroma