LO 1 Flashcards
What are the 3 parts of a grape?
Skin
Pulp
Seeds and stems
Skin of grapes is responsible for:
Color, tannins, flavors
Pulp of grapes is responsible for:
Sugar, acid, water, flavor
Seems and stems contain:
High levels of tannin.
Vines need:
Warmth, sunlight, CO2, water, nutrients
1st stage of grape formation:
Flowering
Stages of grape ripening:
Flowering, fruit set, veraison
What is veraison?
When grapes begin to lose their green color. White grapes become golden and black grapes become red and purple
Ripeness of grapes:
Unripe, ripe, extra ripe
As grapes ripen, they lose _____ and gain ______.
Acidity, sugar
Extra ripening:
Accumulate higher sugar levels. Then can turn to raisins as water evaporates and sugar and acid concentrates. Commonly used to make sweet wines.
Northern hemisphere growing time:
April- October
Southern Hemisphere growing time:
October- April
Avg temp for โcoolโ climate
62 degrees
Ave temp for โmoderateโ climate
65 degrees
Avg temp for โwarmโ climate
70 degrees