Growth Cycle

Question 1

What are the 6 steps of the growth cycle?

Answer 1

1. Budburst
2. Early shoot / leaf growth
3. Flowering / fruit set
4. Veraison / ripening
5. Harvest
6. Winter dormancy

Question 2

When does budburst start?

Answer 2

Spring

Question 3

What are the 2 hazards for budburst?

Answer 3

Sprint Frost

Disease

Question 4

What are the 2 things required for early shoot/leaf growth?

Answer 4

1. Water

2. Nutrients

Question 5

What is the term for a high number of unpollinated flowers?

Answer 5

Coulure

Question 6

What is the term for small grapes with no seeds?

Answer 6

Millerandage

Question 7

What can impact flowering & fruit set?

Answer 7

Cold, rain

Question 8

What is needed for flowering & fruit set?

Answer 8

Warm temps, sunlight & little rain

Question 9

How long is the growth cycle after fruit set?

Answer 9

6-8 weeks

Question 10

What is veraison?

Answer 10

Ripening of grapes

Question 11

What benefit does water stress bring for veraison?

Answer 11

Encourages the grapes to ripen, rather than grow

Question 12

What 2 activities are done at veraison?

Answer 12

1. Summer Pruning

2. Green Harvest

Question 13

When is harvesting done?

Answer 13

Sept/Oct

Question 14

What happens at winter dormancy?

Answer 14

Shoots turn to wood/canes

Question 15

What is the biggest risk at winter dormancy?

Answer 15

Winter freeze kills the buds

Can earth up