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Intro Somm Workbook 2018 > Viticulture Q's > Flashcards

Viticulture Q's Flashcards

1
Q

What is a hybrid?

A

Two or more different species of grape combined

Vitis vinefera x vitis labrusca

  • Seyval Blanc
  • Baco Noir
  • Vidal Blanc
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2
Q

What is a green harvest?

A

Cutting/dropping grape bunches off vines before harvest to focus the vines energy on higher quality branches

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3
Q

What is phylloxera?

A

A vine louse that destroyed 1/3 of the world’s vines in the late 1800’s

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4
Q

What is terroir?

A

French concept–entire set of factors that influence the development of the vine’s fruit and the characteristics of the fruit will show once vinified.

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5
Q

What is a cross?

A

Vines of the same species combined

Vitis vinefera x vitis vinefera

*Pinot Noir plus Cinsault = PINOTAGE

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6
Q

What does a grape consist of?

A

Skins

  • Tannin
  • Color
  • Flavor

Pulp

  • Water
  • Sugar
  • Acid
  • Seeds
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7
Q

What are the main grape growing soil types?

A 
Granite
Limestone
Marl
Schist
Clay
Sand 
Silt
Gravel
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8
Q

What is a rainshadow?

A

A dry area on one side of a mountain

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9
Q

What are sunshine hours?

A

Annual # of hours of sun

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10
Q

What is diurnal shift?

A

Difference between daytime and nighttime temperatures

*affects acidity and sugar in wine

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11
Q

Describe high desert climate

A

Summers hot and dry with dramatic temp drops overnight

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12
Q

Describe mediterranean climate

A

Long growing season, generally warmer winters

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13
Q

Describe maritime climate

A

Climate influenced by large body of water such as a sea or ocean

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14
Q

Describe Continental A climate

A

Hot summers and cold winters due to lack of proximity to body of water

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15
Q

What is microclimate?

A

Single row of vines or a particular vine

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16
Q

What is mesoclimate?

A

A particular vineyard

17
Q

What is macroclimate?

A

Entire wine region

“big picture”

18
Q

What latitude lines can grapes be grown?

A

50º N Hemi

30º S Hemi

19
Q

What are the factors of production?

A 
Location/geography
Climate
Topography/aspect
Soil
Grape varieties planted
Viticultural practices
Vinification practices
Harvest
Yearly weather
Terrior
Regional wine laws
Historical background
20
Q

What is viticulture?

A

The art and science of vine growing

21
Q

What is the fermentation process?

A

Sugar from ripe grapes plus yeast (ambient or inoculated) = ALCOHOL, CO2, flavors/aromas, heat

Intro Somm Workbook 2018 (25 decks)

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