Viticulture Chapter 4

Question 1

Process by which materials are moved from one part of plant to the other

Answer 1

Translocation

Question 2

Process by which sunlight is converted into sugar

Answer 2

Photosynthesis

Question 3

Water evaporation through openings in underside of leaf

Answer 3

Transpiration

Question 4

Process by which sugar is broken down and converted into biological energy

Answer 4

Respiration

Question 5

Condition where the flowers do not develop grapes. Poor fruit set

Answer 5

“Coulure” or shatter

Question 6

small inset/rootlouse

Answer 6

Phylloxera

Question 7

noble rot/beneficial mold

Answer 7

Botrytis Cinera

Question 8

Powdery Mildew

Answer 8

Odium

Question 9

Small seedless berries at fruit set

Answer 9

Millerendage

Question 10

Downy Mildew; fungal

Answer 10

Peronspora

Question 11

Bacterial disease spread by insects such as the glassy winged sharp shooter

Answer 11

Pierces disease

Question 12

Long term expected weather; historical average

Answer 12

Climate

Question 13

Short term forecast of meteorological conditions

Answer 13

wheather

Question 14

How much rain do grapes need annually

Answer 14

20-30 inches

Question 15

Optimal soil conditions for grape growing

Answer 15

Nutrient poor with good drainage prevent overgrowth

Question 16

Soil types smallest to largest

Answer 16

clay, silt, sand rocks

Question 17

High elevation vs. Valley floor impact on vineyard climate

Answer 17

High-cool, windy, intense sunlight, diurnal temp swings. Valley Floor-water can collect and cause overgrowth-grapes less concentrated.

Question 18

Describe the effect of water near a vineyard

Answer 18

Moderates temps, possible fog/cloud cover, rain, dampness

Question 19

At what age do grapes decline in vigor

Answer 19

20

Question 20

Ideal latitude for the vine

Answer 20

30-50 degrees latitude in both the northern and southern hemispheres

Question 21

What is the ideal temperature for bud break

Answer 21

50 degrees

Question 22

Time period from bud break to harvest

Answer 22

140 to 160 days

Question 23

Guyot method

Answer 23

One cane from each vine is trained in the same direction

Question 24

What is Cordon vine trainining

Answer 24

Each arm is trained along a wire. Spur training

Question 25

What is Rudolph Steiner known for

Answer 25

Biodynamic method