Viticulture & Vinification Flashcards
Most vine growing occurs between the __º and __º latitudes.
30º and 50º
Match the following:
Macroclimate, microclimate, mesoclimate
with
Vineyard, wine region, single row vines
Macroclimate: wine region
Microclimate: single row vines
Mesoclimate: vineyard
What is continental climate?
Lack of proximity to bodies of water with moderating influences, hot summers, cold winters
What is maritime climate?
Climate influenced by a large body of water.
Mild temperatures
Describe mediterranean climate.
Hot and dry summers
Summers are mild near the coasts
Name a negative effect of wind to the vines.
Blow vines over
Dehydrate the vines
Blow buds/flowers off the vines
What is a rain shadow?
Dry area on one side of a mountain opposite the wine, rain, and generally poor weather
Name the parts of the grape.
Skins, stalks, pips, pulps
The most important genus Vitis for wine production is Vitis ____.
Vinifera
What is green harvest?
Cutting grape bunches off the vine before harvest to focus the vine’s energy on fewer, higher quality bunches
What is phylloxera?
A vine louse that destroyed a third of the world’s vines beginning in the late 1800s
True/False: Phylloxera is still a challenge today
True
Sugar + Yeast = ___, CO2, and heat
Alcohol
Name 3 vessel materials used for fermentation.
Wood, stainless steel, and concrete
Name some flavor changes of oak aging.
Vanilla, toast, spice (cinnamon, clove, allspice), coconut, dill
Name some aromas of lees contact.
Bread dough, yeast, toast, subtle white flowers, nuts (blanched almonds, peanut shells, pine nuts)
What is chaptalization?
The addition of sugar to must to increase the final alcohol content of the wine
What is acidification?
The addition of tartaric acid to increase the acidity of the must to achieve improved balance in the resulting wine
Where is carbonic maceration most closely associated?
Beaujolais, France
What are the flavor differences in French vs American oak?
American oak shows more intense flavors of vanilla, baking spices, dill, and coconut
French oak show more subtle flavors of vanilla, toast, and spice