Level 1 CMS Flashcards
(451 cards)
What is Phylloxera?
A vine louse that destroyed many of the worlds vineyards in the mid-to-late 1800s
What type of climate is defined by its proximity to a large body of water?
Maritime
What type of climate is defined by long, dry, and sunny growing season.
Characterized by moderate to warm temperatures, little seasonal change, and mild winters.
Mediterranean
What type of climate is defined by hot temperatures during the summer season and winters cold enough for periodic ice and snow
Continental
The majority of the world’s vineyards are planted between what latitude lines?
Between the 30 and 50 degree latitude lines
What wine regions is affected by rain shadows?
- Alsace
- Rioja
- Washington State
Most quality grape varieties we see today are made from which vine species?
Vitis Vinifera
What is a moderator that can help warm a microclimate?
- Soil
- Wind
- Rivers
What is NOT a moderator that can help warm a microclimate?
Vine Training System
What is a rain shadow?
A dry area on one side of a mountain- opposite the wind, rain, and generally poor weather
What are the positive effects of wind in a vineyard?
- Dries a vineyard to prevent disease
- Can Warm a vineyard
- Can Cool a vineyard
What is a Mesoclimate?
The climate of a medium sized area
EX:
Single Vineyard site/farm
Valley
Hillside
Microclimate
The climate of a small, specific area that differs from the surrounding climate.
EX: Single Vine
Macroclimate
The climate of a larger geographic area
EX:
Country
Continent
Explain why “Green Harvesting” is practiced?
Green harvesting reduces the amount of fruit and concentrates what remains on the vine
What term describes the vines annual growth cycle?
Veraison
What is Vinification?
Activities and decisions occurring in the winery
What is Carbonic Maceration?
Process that involves intracellular fermentation of whole berries converted into alcohol in the absence of oxygen
Winemakers wanting increased butter flavor and creamier texture in white wines promote
Malolactic Fermentation
Malolactic Fermentation
Tart Malic acids converted to softer tasting lactic acids.
- Butter (Diacetyl)
- Buttered popcorn
- Cream
Autolysis
Destruction of cells or tissues by their own enzymes.
- Dead enzymes
Chaptalization
Addition of sugar to must to increase the final alcohol content
Acidification
The addition of acids to must or finished wine
What wine region is most associated with the use of Carbonic Maceration?
Beaujolais