Anatomy of the Vine

Question 1

Name the four sections of a vine

Answer 1

Shoots, one year old wood, permanent wood, roots

Question 2

Name the 5 structures of the canopy of a vine

Answer 2

Buds, leaves, lateral shoots, tendrils, inflorescences/grape bunches,

Question 3

What are compound buds?

Answer 3

Formed one season, break out following season.
Produce shoots next growing season.
Primary bud (main growing point).
Secondary, tertiary buds (only used if primary bud damaged)

Question 4

What are prompt buds?

Answer 4

Form and break open in same growing season.
Form on primary shoot (from compound bud).
Produce lateral shoots

Question 5

Describe lateral shoots and their main function

Answer 5

Grow from prompt buds.
Main function- allow plant to carry on growing if tip of primary shoot been damaged/eaten.
Can provide additional leaves for photosynthesis.
Useful if near tip of primary shoot- sunlight.
Near base= bad- airflow.

Question 6

Name the components of a grape and what they contain

Answer 6

Pulp- acids, water, sugars, aroma compounds and precursors
Skin- tannin, colour compounds, aroma cs & ps
Seeds- oils, tannins, embryo

Question 7

Describe one-year old wood

Answer 7

Shoots from previous growing season.
Supports compound buds that will break to release shoots for upcoming growing season
Cane/Spur

Question 8

Why are roots important?

Answer 8

Anchor the vine.
Store of carbohydrates
Uptake water and nutrients
Produce hormones important for vine growth and grape ripening
Distribution of roots- cultivation, soil properties, rootstocks, irrigation.