The Vine and Enviromental Factors Flashcards
What is the main Eurasian vine species used for winemaking?
a) Vitis labrusca
b) Vitis riparia
c) Vitis vinifera
d) Vitis rupestris
e) Vitis aestivalis
Vitis vinifera
Which of the following is NOT a method used to propagate grape varieties?
a) Cuttings
b) Layering
c) Seeds
d) Grafting
e) Clonal selection
Seeds
What is the term for a group of vines that shows a particular set of unique characteristics within a grape variety?
a) Variety
b) Species
c) Cultivar
d) Clone
e) Hybrid
Clone
Which part of the vine is responsible for photosynthesis?
a) Roots
b) Trunk
c) Buds
d) Tendrils
e) Leaves
Leaves
What is the woody part of the vine that is more than one year old called?
a) One-year-old wood
b) Green parts
c) Permanent wood
d) Rootstock
e) Cane
Permanent wood
Which of these is NOT a function of vine roots?
a) Absorb water
b) Absorb nutrients
c) Anchor the vine
d) Photosynthesis
e) Store carbohydrates
Photosynthesis
What insect pest devastated European vineyards in the 19th century?
a) Nematodes
b) Grape berry moth
c) Phylloxera
d) Leafhopper
e) Mealybug
Phylloxera
What technique is used to join a rootstock to a Vitis vinifera variety?
a) Budding
b) Grafting
c) Layering
d) Cloning
e) Hybridizing
Grafting
What is the minimum temperature needed for vine growth?
a) 5°C
b) 10°C
c) 15°C
d) 20°C
e) 25°C
10°C
Which of these is NOT a factor affecting heat in a vineyard?
a) Latitude
b) Altitude
c) Ocean currents
d) Soil pH
e) Aspect
Soil pH
What is the term for the temperature difference between the coldest and hottest months?
a) Diurnal range
b) Seasonality
c) Continentality
d) Temperature amplitude
e) Climate variation
Continentality
Which of these is NOT a method used to protect vines from spring frosts?
a) Heaters
b) Wind machines
c) Sprinklers
d) Pesticide application
e) Thoughtful vineyard design
Pesticide application
What process in the vine requires sunlight?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Fermentation
e) Oxidation
Photosynthesis
Which of these is NOT a common irrigation technique?
a) Drip irrigation
b) Sprinklers
c) Flood irrigation
d) Mist irrigation
e) Furrow irrigation
Mist irrigation
What can excessively high temperatures cause in vines?
a) Increased photosynthesis
b) Faster ripening
c) Higher sugar content
d) Cessation of all vine activity
e) Increased water uptake
Cessation of all vine activity