The Vine Flashcards
What is the main Eurasian species of vine?
Vitis vinifera
What is a clone?
When an additional plant of the same vine grows but sometimes with favourable mutations. Example Pinot Noir mutated to pinot gris and pinot blanc
What is cross fertilization?
Where pollen from the male part of the flower is transferred to the female part of another vine (of the same species)
What is a crossing?
A new variety is produced from two parents of the same species.
What is a hybrid?
a vine whose parents come from 2 different vine species. Typically have one American parent
The insect native to NA and vinifera is unable to defend itself against is:
phylloxera
What is grafting?
a technique use to join a rootstock to a vinifera variety
What is heading grafting?
when a rootstock of one plant is developed and a winemaker wants to change the type of grape, they graft the desired portion to the head of the old wood (trunk). New grapes develop in that same year.
What are the green parts of the vine?
buds
tendrils
leaves
flowers or berries
What is wood that is more than one year old called?
Permanent wood
What is one year old wood?
the shoots that have turned woody over the winter months from the previous year