Viticulture & Vinification Flashcards

1
Q

What process involves the intracellular fermentation of whole berries, sugars inside the grape are converted to alcohol and CO2 in the absence of yeast?

A

Carbonic Fermentation

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2
Q

What is the order of seasonal events in the life of a vine?

A
Budbreak
Flowering
Fruit Set
Veraison
Harvest (vendage)
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3
Q

The metabolism of yeast cells converts sugars into what two things?

A

Alcohol and CO2

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4
Q

The technique of grafting vitis vinifera vines onto American rootstock was developed in response to what?

A

Phylloxera (louse)

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5
Q

What is pigeage?

A

Fermenting wine is punched down

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6
Q

Explain head trained vines

A
No permanent cordon
Can be supported by a simple stake or not at all
Trunk ends in a knob (or head)
Can be spur-pruned OR cane-pruned
AKA - "Bush vines"
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7
Q

Explain cordon-trained vines

A

Generally require a trellising system
At least one permanent cane that extends from the trunk (called arm or cordon)
Spur-pruned

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8
Q

Example of Cane-Pruning system

A

Guyot System developed in 1860 by Jules Guyot

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9
Q

Example of Spur-Prune/Head trained system

A

Gobelet System - ancient technique common in S. Rhone & S. Italy

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10
Q

Example of Spur-Prune/Cordon trained system

A

Cordon de Royat - style for PN in Champagne

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11
Q

Pierce’s Disease is an example of what type of disease?

A

Bacterial

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12
Q

What does the term mesoclimate refer to?

A

The climate of a single vineyard site

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13
Q

Elevage refers to what stage in the wine’s production?

A

Maturation

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14
Q

What does the term batonnage mean?

A

lees stirring during fermentation which adds complexity and richness

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15
Q

What is remontage?

A

fermenting wine is pumped over the top of the cap

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16
Q

What is delestage?

A

fermentation is done by fully draining the vessel, racking it into another vessel and is then pumped back over the cap

17
Q

A term for the maturation period

A

elevage

18
Q

What is “racking” and what is another term for it?

A

movement of wine from one vessel to another

AKA “soutirage”