Grape Varietys (FACTS) Flashcards
Which Genus of the Ampelidace family of vines are winemakers convened about?
The Vitis Genus
In which family of vines are wine making grapes found?
Ampelidaceae Family
From which Species of vines are 99% of all wines made?
Vitis Vinifera
Which other members of the Vitis genus are of particular importance to wine makers and why?
V. Labrusca (winemaking East of US)
V. Riapia
V. Berlandieri
V. Rupestris
These often provide the rootstock on which V. Vinifera scions are grafted.
What unique grapes of the vitis genus can be found in the Easter States of the U.S.
Vitis Labrusca
What are Crossings?
When reproduction takes place in a natural way, when parents are different varieties of the same species.
Give two examples of well known crossings?
Pinotage (Pinot Noir X Cinsault) in South Africa, and Muller-Thurgau
How is Cloning different to Hybrids and crossings?
Cloning is an Asexual Process
What are Hybrids
A ‘Marrying’ of two separate species in order to gain the benefits of both.
What are examples of clones (mutations)
Pinot Blanc and Pinot Gris (clones of pinot noir)
How does Phylloxera affect vines
Wounds that the louse makes while feeding on the vine roots allow bacteria and fungi to enter, leading to disease and the eventual death of VINIFERA vines over a period of years.
How can european vines resist phylloxera?
By being grafted onto american root stock
Which soils are known to restrict the life cycle of phylloxera?
Sandy soils
American rootstock is grafted onto european…
scion
How many years does it take a new vine to come into production?
Minimum of 3 years
