Grape Growing Flashcards
The growing season begins for a vine in what time of the year?
Spring
The growing season ends for a vine in ______.
Autumn/Fall
Are most wines in the world made with European or North American vine species and what is the name of this species?
European vine species named Vitis vinifera.
Name the 4 major parts of a grape.
Pulp
Skin
Seeds
Stems
Which 3 parts of the grape produce tannins?
Skins
Seeds
Stems
What flavor do tannins produce?
Bitterness
What is the pulp of a grape mostly made up of?
Water and sugar.
What part of the grape do most red wines get their color from?
The skins of grapes
List a vine’s annual cycle, linking different phases to one of the four seasons ( in the Northern Hemisphere).
Flowering: spring
Fruit set: early summer
Véraison: summer
Ripening time: summer/late summer
Harvest: late summer/early autumn
Dormancy: winter
What are the 5 things a vine needs to remain alive and flourish?
Sunlight
Warmth
Carbon dioxide
Water
Nutrients
What is the name of the process when a vine’s leaves take in CO2 gas from the air and its roots take up water and nutrients from the ground to produce sugar, or energy, for the vine to grow and ripen its grape?
photosynthesis
Before ripening, grapes are high in _____ and low in _____.
high in acid, low in sugar
As grapes ripen, acidity levels _____ and sugar levels _____.
acidity levels decrease, sugar levels increase
It is during this ripening period that a grape’s aromatics will develop as well.
List 3 ways to concentrate grape sugars to make sweet wine.
Extra-ripeness
Botrytis
Frozen grapes
What is Botrytis/noble rot?
Botrytis is a fungus that grows on the outside of grapes that can cause noble rot.
