Viticulture

Question 1

What is Oidium Tuckerii?

Answer 1

Powdery Mildew (Uncinula Necator), caused by dry, windy weather with diurnal variation. Leaves get white dust, spreads to grapes = turn dull, dusty grey. Leaves turn crisp, dry and fall off.
Chardonnay more prone than Pinot Noir.
Treatment:

Question 2

What is Court-noué?

Answer 2

Fanleaf virus - spreads easy vine to vine. no cure

Question 3

What is Carence?

Answer 3

A magnesium deficiency, creates big veins of colour + leaf turns red

Question 4

What is Esca?

Answer 4

Black Measles, affect vines pruned on spur system (cordon royat) Fungi infect wood, develops black spots.
Poor pruning decisions leaving wounds in wood. Vine dies within a week.

Question 5

What is Lutte Raisonee?

Answer 5

Reasoned Combat, Is a form of synthetic treatment may be used but within reason of risk of disease.

Question 6

What is MOG?

Answer 6

Matter other than Grapes

Question 7

At what stage is it best to add acid in a warm year and what acid is used?

Answer 7

Tartaric acid is used and should be added to the must at pressing stage.

Question 8

At what time of the year does Malo usually start?

Answer 8

Spring , when the weather warms up and cellars get warmer naturally.

Question 9

Which country holds the largest surface area of vines in the world?

Answer 9

Spain, little less than 1mio ha and 1/7th of total worlds vineyard areas

Question 10

How much effect does altitude have on temperature?

Answer 10

0.65°C per ever 100m of Altitude

Question 11

CH M - HS-Y-C-N-OB-D-V-HT

Name the 9 biodynamic preparations in in numerical order

Answer 11

500 COW HORNS FILLED WITH MANURE
501 Horn Silicia
502 Yarrow
503 Chamomile
504 stinging nettle
505 oak bark
506 Dandelion
507 Valerian Flowers
508 Equisetum tea/horsetail tea

Question 12

What is this Training called?

Answer 12

Taille Chablis

Question 13

What is Debourrment?

Answer 13

Budbreak

Question 14

What is Hens & Chicks?

Answer 14

Millerandage

Question 15

Give another name for Millerandage in english

Answer 15

Hens & Chicks

Question 16

What is Effeulliage?

Answer 16

Leafing

Question 17

What is Coulure in wine growth?

Answer 17

uneven set
could also be magnesium defficiancy where leaves turn slight yellow

Question 18

Explain the following terms:
Elevage
Chapeau
foulage

Answer 18

Elevage - barrel aging
Chapeau - Cap
foulage - crushing

Question 19

Explain the following terms:
Egrappage/Eraflage
egouttage
collage

Answer 19

Egrappage - destemming
egouttage - draining
collage - fining

Question 20

What is levurage?

Answer 20

innoculation of fermentation (addition of yeast for more predictable fermentation)

Question 21

Explain the following terms:
remontage
pigeage
delestage
soutirage

Answer 21

remontage - pump over
pigeage - punch down
delestage - rack & return
soutirage - racking

Question 22

What is Debourbage?

Answer 22

Settling

Question 23

What is topping up in french?

Answer 23

ouillage

Question 24

What is Provinage?

Answer 24

Layering

Question 25

Name 3 biodynamic field spray preparations?

Answer 25

500 - Cows manure (microbial & root growth) 501 - Silicia (helps photosynthesis) 508 - Horsetail Tea (against fungal disease)

Question 26

Name 3 Biodynamic compost preps.

Answer 26

502 - Yarrow (helps absorb nutrients from soil) 503 - chamomile flower (stabilize calcium + nitrogen) 504 - Nettle ( helps breakdown compost)

Question 27

What does Prep 505 do?.

Answer 27

Oak Bark (reduce soil acidity, prevents disease, excessive plant growth

Question 28

Name 2 Biodynamic compost preps.

Answer 28

506 - Dandelion (helps uptake of silicia & potassium) 507 - Valerian (heats compost + adds phosphorus)

Question 29

In which country is 'en vaso' used and what is the more common name?

Answer 29

term for Gobelet Training in Central Spain

Question 30

What is the more common name of Peronospora?

Answer 30

Downey Mildew

Question 31

What is Rognage?

Answer 31

Topping - hedging the vines to avoid them from growing taller alternative = Dressage

Question 32

Name 3 Rootstocks often used for Grafting

Answer 32

Berlandieri - limestone soils Riparia - early ripening Rupestris - late ripening

Question 33

what is this training system called?

Answer 33

Vallee de la Marne

Question 34

Explain the Aspersion technique to fight frost?

Answer 34

Use of sprinkler system. Vines are sprayed with water which freeze over the buds and saving them from frost damage.

Question 35

What is Smart-Dyson?

Answer 35

Type of cordon vine training. Henry Scott

Question 36

What’s the French term for uneven berry set?

Answer 36

Coulure

Question 37

Name the main virus diseases?

Answer 37

Leafroll, Corky bark

Question 38

What are the main 3 nutrients for grapevine?

Answer 38

Nitrogen, Potassium, Phosphorus