Viticulture

Question 1

Term for a vines branches when they are young and pliable.

Answer 1

Canes

Question 2

Term for the portion of a vine that includes branches, leaves, and fruit.

Answer 2

Canopy

Question 3

Term for the process where an unrooted cutting is inserted into the trunk of and existing vine.

Answer 3

Field grafting

Question 4

Age at which a vine begins to decline in vigour.

Answer 4

20

Question 5

Ideal degrees of latitude for commercial viticulture.

Answer 5

30 to 50°

Question 6

Min. temp. required for bud break.

Answer 6

50°

Question 7

Ideal weather conditions for flowering.

Answer 7

Warm and dry

Question 8

Term used for the tradition from flower to berry.

Answer 8

Fruit set

Question 9

Condition where many flowers do not develop into grapes.

Answer 9

Coulure “shatter” usually caused by bad weather

Question 10

Abnormal fruitset resulting in many small, seedless berries in the grape bunches.

Answer 10

Millerandage

Question 11

The ripping of grapes. Red grapes change color, white grapes become translucent or yellow, sugar increases, acid levels fall, seeds turn woody.

Answer 11

Veraison

Question 12

Typical period between bud break and harvest

Answer 12

140 to 160 days = Bud break - flowering and fruit set (40-80) days, Veraison (45 days), Harvest (45 - 60days)

Question 13

The process by which sunlight is used by the vine to produce sugar.

Answer 13

Photosynthesis

Question 14

Process by which water evaporates through opening on the vines leaves.

Answer 14

Transpiration

Question 15

The process by which sugars are broken down and used by the vine for energy.

Answer 15

Respiration

Question 16

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

Answer 16

Translocation

Question 17

French term for the combined natural factors of a vineyard.

Answer 17

Terrior

Question 18

Average water needs of a vine per year.

Answer 18

20 -30 inches

Question 19

Bacterial disease carried by the Glassy winged Sharpshooter.

Answer 19

Pierce’s Disease

Question 20

Fungal disease also known as odium.

Answer 20

Powdery mildew

Question 21

Fungal disease also known as Perenopera.

Answer 21

Downy mildew

Question 22

Root eating louse that almost killed off vineyards in Europe and then the world.

Answer 22

Phylloxera

Question 23

Type of vine training system that does not use a trellis system.

Answer 23

Head training or Bush training

Question 24

Type of vine training where vines are trained up a tall support.

Answer 24

Pergola

Question 25

Type of cane pruned vine training system using one cane from each vine trained in the same direction

Answer 25

Guyot

Question 26

Type of spur trained vine system with branches from each vine trained on a wire.

Answer 26

Cordon

Question 27

VSP

Answer 27

Vertical Shoot Positioning

Question 28

Unit of value used to measure sugar ripeness in the US

Answer 28

Degrees Brix

Question 29

Unit of value used to measure sugar ripeness in France.

Answer 29

Baumé

Question 30

IPM

Answer 30

Integrated Pest Management

Question 31

Zonda

Answer 31

The Zonda is a regional term used for this type of wind as it occurs over those parts of western Argentina tucked into the slopes of the Andes, including the wine regions of Mendoza, La Rioja, and San Juan in the spring and summer.

Question 32

What soil characteristics do the greatest vineyard sites have in common?

Answer 32

They regulate the water supply and they are not very fertile.

Question 33

Climate strongly influenced by an ocean, high rainfall, mild overall temps.

Answer 33

Maritime ex. NZ, Willamette Valley, Muscadet(Loire), Rias Baixas (Spain), Bordeaux

Question 34

Climate far from an oceans influence, hotter summers colder winters, less rain.

Answer 34

Continental ex. Northern Rhone, Rioja, Piedmont, Columbia Valley, Mendoza (Argentina)

Question 35

Climate with warm dry summers, mild wet winters, low humidity, influenced by air masses. Usually found on the western coasts of large continents.

Answer 35

Mediterranean ex. Provence, Languedoc, Tuscany, The Med basin, South Australia, some parts of southern California