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WSET D1 > The Vine > Flashcards

The Vine Flashcards

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1
Q

The canopy consists of

A

All major structures:
Buds
Leaves
Lateral shoots
Tendrils
Inflorescence/bunches

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2
Q

Shoots grow in the spring from what

A

Buds retained from previous year

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3
Q

The shoot consists of

A

Buds
Leaves
Tendrils
Lateral shoots
Inflorescence/ bunches

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4
Q

The main axis of the shoot does what

A

Transports water and solutes like sugars and minerals to and from the different structures
Stores carbohydrates

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5
Q

Swellings on shoot where other structures attach are called

A

Nodes

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6
Q

The lengths between nodes is called

A

Internodes

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7
Q

What point of the season do green shoots lignify

A

Late summer

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8
Q

What are lignified shoots called

A

Canes

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9
Q

Where do buds form

A

Between the leaf stalk and the stem

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10
Q

What do buds contain?

A

All the structures in miniature that become the green parts of the vine
Stem
Buds
Tendrils
Leaves
Inflorescence

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11
Q

Compound buds

A

Form in one growing season and break open next
Produce shoots
Typically a primary bud and secondary/tertiary buds that only grow if damage occurs to primary (frost)

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12
Q

Prompt buds

A

Form and grow in the same season
Form on primary shoot (grown from compound bud)
Produce lateral shoots

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13
Q

Lateral shoots

A

Grow from prompt buds
Contain stem, leaves, buds, tendrils, and sometimes inflorescence
Main function is to allow plant to grow if tip of primary shoot is damaged or eaten
Can provide additional photosynthesis
Can impede airflow and shade fruit too much
May be removed in summer pruning
Can produce “second crop” - green harvested

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14
Q

Tendrils

A

Support for vine

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15
Q

Leaves

A

Main function is photosynthesis

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16
Q

Stomata

A

Pores on underside of leaf
Diffuse water and allow CO2 to enter

Water stress can close- shutting down photosynthesis

17
Q

Inflorescence

A

Cluster of flowers on a stem which become a bunch of grapes at fruit set

18
Q

Bunches

A

A fertilized inflorescence

19
Q

Grape

A

Berry made of pulp, skin, and seeds

20
Q

Pulp

A

Majority of grapes weight and volume
Contains water, sugars, acids, and some aroma compounds and precursors
Most grapes have colorless pulp

21
Q

Teinturier varieties have

A

Colored pulp
Alicante Bouschet

22
Q

Skin

A

Contains high concentrations of aroma compounds and precursors Most grapes, tannins, and color compounds

23
Q

Seeds

A

Seeds contain oil, tannin, and embryo which can grow into new plant

24
Q

One year old wood

A

Refers to shoots from previous growing season
Supports compound buds that release shoots for upcoming season
Can be cane or spur

25
Q

Permanent wood

A

The woody parts of a vine that are more than one year old
Trunk and cordons
Provide support for other parts of vine
Transport water and solutes
Store carbohydrates and nutrients

26
Q

Roots

A

Anchor the vine
Uptake of water and nutrients
Store carbohydrates
Produce hormones that have important functions within vine growth and grape ripening
Nutrients and water absorbed at tips

27
Q

Cutting

A

A section of vine shoot that can be planted to grow as a new plant
Permits use of rootstocks
Can be treated at nurseries to avoid spread of disease

28
Q

Layering

A

Method of filling gaps in vineyards
A cane of a established vine is bent down and partially buried with root tip pointing up
Buried section takes root and cane linking is cut
No protection from phylloxera

29
Q

Clone

A

Vines with favorable characteristics are propagated within a single variety
PN 115 has low yields of small grapes suitable for high quality red wine production
PN 521 has higher yields of bigger grapes making it better for sparkling wine production

30
Q

Mass selection

A

Propagation of cuttings from own vineyards
Can be treated at nurseries and grafted
Increases diversity
Enhance fruit quality

31
Q

Vine breeding programs seek to

A

Develop vines with desirable attributes
Disease resistance
Pest resistance
Climatic extremes

WSET D1 (10 decks)

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