Viticulture and Enology
Dr. Grant R. Cramer
Department of Biochemistry
University of Nevada, Reno
What are Viticulture and Enology?
Viticulture is the Science of
Grape-Growing
The Cycle of Vine Growth
Budbreak
Prune
Rapid Shoot Growth
Dormancy
Bloom
Berry Set
Leaf Fall
Full Canopy
Berry Softening
Harvest
Cane Hardening
Enology is the science of
wine (making)
The Process of Making Wine
• 1. Crush and press grapes.
• 2. Add yeast to must in fermentation
vessel, cover for 3 days to several
weeks.
• 3.Siphon wine off the sediments (lees)
into clean secondary fermentation vessel.
• 4. Bottle when wine is clear and all
fermentation has stopped.
White Wine-Making
Red Wine-Making
Harvest
Desteming and Crushing of
Grapes
Traditional Small Scale Press
Pneumatic Press
Add yeast to must in
fermentation vessel, cover for
3 days to several weeks
Siphon wine off the sediments
(lees) into clean secondary
fermentation vessel
Bottle when wine is clear and
all fermentation has stopped
Wine Analysis