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WSET > 2 > Flashcards

2 Flashcards

0
Q

How does water have a moderating effect on temp

A

It heats and cools slower than land

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1
Q

How many hours of sunshine do grapes need during ripening season

A

1500

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2
Q

Maritime climate

A

Regions close to large bodies of water

Warm summers, mild winters

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3
Q

Mediterranean climate

A

Most rainfall in winter
Dry summers
Suited to viticulture
Cali, chile, s.africa,SW oz, med

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4
Q

Continental climate

A

Middle of substantial landscape

Extreme temps in wint and summer

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5
Q

Benefits of mountains near vy

Example

A

Cast rain shadow
Protect vy
Votes mountain - Alsace

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6
Q

European method of classifying climatic conditions

A

Zones a, b, cIa,clb,cll, cllla, clllb,
A coldest clllb hottest
Diff legislation for permission to enrich or de acidity for each zone

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7
Q

Cali method for classifying climatic conditions

A

Degree days
Heat summation
Gives a measure of total useable heat for the year

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8
Q

Heat summation

A

Amount that the temp is above 50F 10C is added for each day of the growing season

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9
Q

Oz method for classifying climatic conditions

A

Similar to Cali
Mean temp of the warmest month
Adjustment for factors> hours of sunlight, humidity, rainfall, evaporation, continentality (diff btw summer and wint temp)

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10
Q

Site climate

A

Climate of individual vy

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11
Q

Micro climate

A

Climate within vine leaf canopy

Possible to change using canopy management

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12
Q

Frosts

A

Winter can damage grafts leading to death of vine

Summer can damage buds

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13
Q

How to protect against frost

A

Smudge pots - smoke blanket
Wind machines - draw in warm air from above
Sprinklers - insulating coat of ice
Earthing up

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14
Q

Drought

A

High temp + no rain >
Leaves shut down >
No sugar produced >
Grapes don’t ripen

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15
Q

Irrigation

A 
Was banned in eu 
Now some bans lifted
Accepted in nw
3 ways
Can be computer controlled
16
Q

3 ways to irrigate

A

Drop
Sprinklers
Flood irrigation (chile/arg)

17
Q

Excessive rain can mean

A

Dilution of sugars and flavor a in grapes

Damp conditions = rot

18
Q

How to protect against hail

A

Netting

Planes can seed potential storm clouds with chemicals to make rain not hail

19
Q

Coulure

A

Floral abortion

Non fertilized blossom is shed

20
Q

Millerdage

A

Hen and chicken
Appearance of small seedless grapes in a bunch of unsatisfactory pollination
Can still ripen, may be intensely sweet
Uneven ripening affects yields

21
Q

2 probs from cold, rainy weather

A

Coulure
Millers age
Some varieties more susceptible than others

WSET (6 decks)

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