Factors Affecting Wine Style and Quality Flashcards
Stages of grape formation
Flowering
Fruit Set
Veraison
Ripening
What is veraison?
Grapes start to lose their green colour
What characteristics do grapes have at the start of ripening?
High acidity
Nearly zero sugar
Unattractive herbaceous flavour
Most vineyards are located between what latitudinal region?
30 degrees and 50 degrees, north or south
A ‘cool’ growing season temperature is below what?
16.5 degrees
A ‘moderate’ growing season temperature is between what?
16.5 degrees and 18.5 degrees
A ‘warm’ growing season temperature is between what?
18.5 degrees and 21 degrees
In autumn, why are rivers important for growing?
Rivers are warmer in autumn than the land
The protection provided by mountains results in…
Sunny summers
Dry autumns
Extended growing season
Stones in soil have what effect?
Stones absorb heat and make the vineyard warmer
High rainfall just before harvesting has what effect?
Grapes will swell and their flavours will be diluted
What equipment are most vines trained on?
Trellises
Trellises are used for what?
Training vines
What does pruning do?
Ensures vines retain their shape
A too high yield could have what effects on a commercial wine?
Diluted flavours and lower levels of sugar
