Grape life Flashcards
1
Q
Bud break
A
Occurs above 50 degrees
2
Q
Flowering
A
40-80 days after bud break
3
Q
Canopy components
A
Trunk
Cordons (arms)
Spurs
Canes
4
Q
Veraison
A
1.5 months after berry set
5
Q
Average time from bud break to harvest
A
140-160 days
6
Q
Photosynthesis
A
Chlorophyll containing parts of plant use sunlight to convert CO2 and water into sugar
Slows at temps less than 50 degrees, greater than 95
Optimal sugar production on sunny days between 70 and 85 degrees
7
Q
Respiration
A
Plant breaks down sugar and carbs to release energy
During Veraison, sugar unavailable so vines metabolize malic acid instead
8
Q
Transpiration
A
Water evaporates through openings on the underside of leaves
9
Q
Translocation
A
Materials are moved from one area of the plant to another
