Grape growing - Viticulture

Question 1

Macroclimate

Answer 1

The climate of an area, such as a wine region

Question 2

Mesoclimate

Answer 2

The climate of a vineyard

Question 3

Microclimate

Answer 3

The climate around a single vine

Question 4

Degree-Days

Answer 4

Days during the growing season are assigned individual growing degree-days according to the number of days that the average temperature exceeds the threshold of over 50°F.

Question 5

Hybrid

Answer 5

Hybrid grapes are grape varieties that are the product of a crossing of two or more Vitis species.

Question 6

Clone

Answer 6

A grape clone is a cutting taken from an existing grape vine that’s grafted onto rootstock. The vine is chosen due to specific traits a grower wants to reproduce like increased disease resistance or fruit quality. Because this cutting came directly from another vine rather than the result of two plants crossbreeding, the cutting is genetically identical to its “mother vine.

Question 7

Vitis Labrusca examples (2)

Answer 7

Catawba
Concord

Question 8

Yields in the standard system

Answer 8

Tons per acre

Question 9

Yields in the metric system

Answer 9

Hectolitres per hectare

Question 10

1 ton per acre = x hl/ha (white)

Answer 10

15 hl/ha (white)

Question 11

1 ton per acre = x hl/ha (red)

Answer 11

19 hl/ha (red)

Question 12

1 hectare = x acres

Answer 12

2,47 acres