Grape growing Flashcards
What does a vine need?
Sunlight
CO2
Warmth
Nutrients
Water
Photosynthesis
Water + CO2 + sunlight + Water
Stages of grape formation/ripening
Flowering
Fruit set - flowers become grapes
Veraison - green to > color
Ripe grapes
Name the climates
Cool 16.5/62 or below
Moderate 16.5/62 - 18.5/65
Warm 18.5/65 to 21/70
Influences on climate
latitude
altitude
seas - Cools SA wines, warms European wines
rivers
slope/aspect
cloud - important to some warm AU regions
fog - important in CA and Chile
mist - critical for botrytis
mountains - sunny summers, dry autumns, extended gowing season
soil
air
Influences on
Cool vintages
Hot vintages - grapes can get dried fruit/sunburn, needs water, may not get it
Drought
Rain
Hail
Frost
Typical vintner management items
Training/pruning
Irrigation
managing weeds, pests, disease
Managing yield
Harvest