C6 - Vineyard Management Flashcards Preview

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Flashcards in C6 - Vineyard Management Deck (185)
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1

What are the three main considerations a producer may need to make when choosing a site?

Environmental conditions
Business considerations
Grape variety

2

Which environmental conditions does a producer have to consider?

Average temperature
Rainfall
Sunlight
Soil fertility
Drainage

3

What business considerations must be made by a producer when selecting a vineyard site?

Proximity to utility infrastructure (power, water etc.)
Availability of a vineyard workforce
Accessibility for machinery
Cost of land

4

What must a producer consider regarding grape variety when selecting a site?

It must suit climatic conditions
Demand
Legal restrictions

5

How is a new vineyard prepared?

Existing vegetation is cleared
Fertility tested (and corrected with fertiliser if necessary)
Young vines are planted by hand or machine
Vines protected from animals with plastic sleeves
Irrigation allowed to help young vines establish themselves

6

Why is irrigation allowed in some places after new vines have been planted?

To allow the vines to establish themselves

7

When does a vine's first yield usually come?

In the third year after planting

8

At what age on average are vines usually replaced?

30 - 50 years

9

What is the main factor that makes old vines desirable?

They give a greater concentration of flavours

10

What are the potential disadvantages to growing an old vine?

Lower yield
Susceptibility to disease

11

For how long is a vineyard typically left fallow after the vines are dug up?

Three or more years

12

What are the four main techniques used to manage a vine?

Training
Pruning
Trellising
Planting density

13

The grower will adapt the four main vineyard management techniques to suit the availability of these resources:

Temperature
Sunlight
Water
Soil nutrients

14

Name a practical consideration a grower may have to make when establishing a vineyard

Use of machinery

15

What is the ultimate goal of a grape-grower?

To maximise the production of fruit at the desired quality level as economically as possible

16

What is vine training?

The shape of the permanent wood of the vine

17

What are the two principal branches of vine training?

Head training
Cordon training

18

Both head training and cordon training can be...to benefit from heat retained by the soil or...to avoid frosts

Low trained
High trained

19

Describe a head-trained vine

They have very little permanent wood
Some have only a trunk
Some have a few arms protruding from the trunk
They can be spur-pruned or replacement cane pruned

20

Describe a vine which is cordon trained

A trunk with one or two arms of permanent wood
Usually spur pruned

21

Describe a positive and negative of cordon training a vine

The sturdy permanent cordon with shoots positioned along its length, makes mechanisation easier
It can take longer to establish because of the greater amount of permanent wood

22

Cordon training can also be used to create...

Big vine structures

23

What is pruning?

The removal of unwanted leaves, canes and permanent wood

24

What is the purpose of pruning?

It shapes the vine and limits its size

25

When does pruning typically take place?

Every summer and every winter

26

What is the main purpose of winter pruning?

To determine the number and location of buds that will form shoots in the coming season

27

Why is it important to ensure that buds are not too close together?

To help with canopy management

28

What are the two styles of winter pruning?

Spur pruning
Replacement cane pruning

29

Describe spur pruning

Spurs are either distributed along a cordon or around the top of the trunk

30

Describe replacement cane pruning

Typically one or two canes are retained
Each cane is tied horizontally to the trellis for support
Most common on head-trained vines