Viticulture

Question 1

Biodynamic Preparations 500

Answer 1

Horn Manure

Question 2

Biodynamic Preparations 501

Answer 2

Horn Silica

Question 3

Biodynamic Preparations 502

Answer 3

Yarrow

Question 4

Biodynamic Preparations 503

Answer 4

Chamomile

Question 5

Biodynamic Preparations 504

Answer 5

Nettle

Question 6

Biodynamic Preparations 505

Answer 6

Oak Bark

Question 7

Biodynamic Preparations 506

Answer 7

Dandelion

Question 8

Biodynamic Preparations 507

Answer 8

Valerian

Question 9

What are the 3 components in Bordeaux Mixture?

Answer 9

Cooper Sulphate, Lime and Water

Question 10

Pierce’s Diseases

Answer 10

Xylella Fastidiosa

Question 11

Phylloxera

Answer 11

Daktulosphaira Vitifoliae

Question 12

Downy Mildew

Answer 12

Plasmopara Viticola

Question 13

Powdery Mildew

Answer 13

Uncinula Necator

Question 14

Grey Mold

Answer 14

Botryotinia Fuckelina

Question 15

Black Rot

Answer 15

Guignardia Bidwellii

Question 16

What is Glyphosate?

Answer 16

Glyphosate is an herbicide used worldwide by farmers, landscapers and residential gardeners to control weeds.

Question 17

Which diseases of the vines are the greatest threat to vineyards around the world today?

Answer 17

Downy Mildew

Question 18

State 2 differences between Clonal Selection and Massal Selection

Answer 18

1. Clonal selection is one mother vine, Massal Selection is many old vines selected from same area
2. Clonal selection is vine is propagated at a vineyard nursey, Massal selection is vines are propaged on location at vineyard site

Question 19

What does TDN stands for?

Answer 19

1,1,6 -Trimethyl-1, 2-dihydronaphtahlene,

Question 20

What is the enzyme found in Botrytis grape?

Answer 20

Laccase

Question 21

Who is Masanobu Fukuoka? What was his contribution?

Answer 21

He was a proponent of no-till, herbicide and pesticide free cultivation methods from which he created a particular method of agriculture, commonly referred to as shizen noho/ natural farming or do-nothing farming. His book titled “the one straw revolution”

Question 22

What is Drosophila Suzukii

Answer 22

A group of fruit fly that destroys vineyards. The issue with “Suzukii” is that their mouths can penetrate the skins of grapes. Which also leaves an entry-point for the common drosophila - as a result, many patches of vines smelled of and had grapes effected by acetic rot in 2014 due to this. Like any rot, this can be triaged-away, but given the strong smell, it anyway raises concerns about the potential for volatility in the wines that will result.

Question 23

Scientific name for “Foxy Grapes”

Answer 23

Vitis Labrusca

Question 24

Where can you find Vitis Vinifera Silvestris?

Answer 24

Georgian Wild Vines

Question 25

Who invented drip irrigation?

Answer 25

Simcha Blass

Question 26

What is RDI and PRD respectively?

Answer 26

Irrigation techniques : Regular Deflcit Irrigation and Partial Rootzone Drying

Question 27

How many g/l of sugar required for 1% abv?

Answer 27

17 g/l

Question 28

What is the size of a Gonc?

Answer 28

136 l

Question 29

Which fining agent can be used in a vegan wine?

Answer 29

Bentonite

Question 30

State the oak origins - Quercus Robur

Answer 30

European, English, Common, Pedunculate Oak

Question 31

State the oak origins - Quercus Petraea

Answer 31

Sessile, Cornish, Irish, Durmast Oak

Question 32

State the oak origins - Quercus Alba

Answer 32

White Oak

Question 33

State the oak origins - Quercus Garryana

Answer 33

Oregon Oak

Question 34

State the oak origins - Quercus Crispula

Answer 34

Mizunara, Mongolian Oak