Viticulture Flashcards
1
Q
Basic building block of the vine
A
GLUCOSE
- combines to produce cellulose for roots, trunks, shoots, leaves and fruit
- tannins, acids and flavor molecules in the grape
2
Q
Important environmental needs for vines
A
Sunlight, water & carbon dioxide
- photosynthesized by Chorophyll to produce glucose
- CO2 always available, so only sunlight and water matter
3
Q
What affects the metabolism of the vine?
A
Temperature
4
Q
Vines’ dormancy temperature
A
10 C
5
Q
Vine growth to peak temperature
A
22-25 C
6
Q
Too high temperature for vine growth
A
25 C
- Growth slows because vine’s metabolic needs increase faster than its ability to photosynthesize sugars
7
Q
Growing season in the northern hemisphere
A
April to October
8
Q
Growing season in the southern hemisphere
A
October to April
9
Q
The annual weather pattern of an area averaged over several years
A
Climate
