viticulture and enology dr. grant r. cramer department of biochemistry university of nevada, reno
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Viticulture and EnologyViticulture and Enology
Dr. Grant R. Cramer Dr. Grant R. Cramer Department of Biochemistry Department of Biochemistry University of Nevada, RenoUniversity of Nevada, Reno
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What are Viticulture and Enology?What are Viticulture and Enology?
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Viticulture is the Science of Grape-Growing
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The Cycle of Vine Growth The Cycle of Vine Growth Budbreak
Rapid Shoot Growth
Cane Hardening
Leaf Fall
Dormancy
Full Canopy
Bloom
Berry Set
Prune
Berry SofteningHarvest
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Enology is the science of wine (making)
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The Process of Making WineThe Process of Making Wine
• 1. Crush and press grapes. 1. Crush and press grapes.
• 2. Add yeast to must in fermentation vessel, 2. Add yeast to must in fermentation vessel, cover for 3 days to several weeks. cover for 3 days to several weeks.
• 3.Siphon wine off the sediments (lees) into 3.Siphon wine off the sediments (lees) into clean secondary fermentation vessel. clean secondary fermentation vessel.
• 4. Bottle when wine is clear and all 4. Bottle when wine is clear and all fermentation has stopped.fermentation has stopped.
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White Wine-MakingWhite Wine-Making Red Wine-MakingRed Wine-Making
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HarvestHarvest
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Desteming and Crushing of Desteming and Crushing of GrapesGrapes
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Traditional Small Scale PressTraditional Small Scale Press
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Pneumatic PressPneumatic Press
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Add yeast to must in Add yeast to must in fermentation vessel, cover for fermentation vessel, cover for 3 days to several weeks3 days to several weeks
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Siphon wine off the sediments Siphon wine off the sediments (lees) into clean secondary (lees) into clean secondary fermentation vesselfermentation vessel
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Bottle when wine is clear and Bottle when wine is clear and all fermentation has stoppedall fermentation has stopped
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Wine AnalysisWine Analysis