CH 4 - Viticulture

Question 1

Portion of the vine, that includes leaves, branches, and fruit

Answer 1

Canopy

Question 2

The vine’s branches, while they are young and pliable

Answer 2

Canes

Question 3

Inserting an unrooted cutting into the trunk of an existing vine

Answer 3

Field Grafting

Question 4

Vines begin to decline at this age

Answer 4

20 years

Question 5

Ideal latitudes for commercial viticulture

Answer 5

30 - 50 degrees north and south

Question 6

Minimum temperature required to begin the emergence of new greenery in the spring

Answer 6

50 Farenheit; 10 Celcius

Question 7

Sap flowing upward from the trunk out of the canes (before the emergence of new greenery)

Answer 7

Weeping

Question 8

At the beginning of the growth cycle of the fine - tiny shoots emerge

Answer 8

Bud Break

Question 9

Transition from flower to berry

Answer 9

Fruit set (Berry set)

Question 10

Condition in which many flowers do not develop into grapes

Answer 10

Coulure (Shatter)

Question 11

Abnormality resulting in many small, seedless berries in the grape bunches

Answer 11

Millerandage

Question 12

The beginning of ripening

Answer 12

Veraison

Question 13

Typical time period from bud break to harvest

Answer 13

140 to 160 days

Question 14

Process by which the vine produces sugar

Answer 14

Photosynthesis

Question 15

Process by which the vine uses energy

Answer 15

Respiration

Question 16

Process in which water evaporates through openings in the vine’s leaves

Answer 16

Transpiration

Question 17

Process by which materials are moved from one area of the plant to another

Answer 17

Translocation

Question 18

French term for the combined natural factors of a vineyard site

Answer 18

Terroir

Question 19

Bacterial disease spread via the glassy winged sharpshooter

Answer 19

Pierce’s Disease

Question 20

Fungal disease also known as oidium

Answer 20

Powdery mildew

Question 21

Fungal disease also known as peronospora

Answer 21

Downy Mildew

Question 22

Root-eating louse of great threat to vineyards

Answer 22

Phylloxera

Question 23

Vine-training system that does not use supports nor trellises

Answer 23

Head training (Bush training)

Question 24

Cane-prune vine-training system that uses one cane from each vine

Answer 24

Single Guyot

Question 25

Vine-training system that guides vines up a tall support

Answer 25

Pergola

Question 26

Spur-pruned vine-training system where the branches are spread out from the vine along trellis wires

Answer 26

Cordon

Question 27

What does VSP stand for

Answer 27

Vertical Shoot Positioning