REVIEW SET WITH DETAILED ANSWER KEY
◉Define Mediterranean climate. Answer: low annual difference
between summer and winter temps
dry summers, rainy winters
examples: Napa, Coonwarra
◉Ranges for Temperature (avg. GST). Answer: cool climate: 16.5 C
and below
moderate clomate: 16.5-18.5C
warm climate: 18.5-21 C
hot climate: 21 C and above
◉Define continentality. Answer: measure of the difference between
the annual mean temps of the hottest and coolest months
◉Define weather. Answer: annual variation that happens relative to
the climatic average
produces vintage variation in wines
can affect yields (rain, spring frost)
,◉Climate change. Answer: raise in temps leads to higher
evapotranspiration, and can cause water stress
higher/faster sugar accumulation rates
◉Advantages of conventional viticulture. Answer: mechanisation
reduction in competition from other plants (monoculture)
irrigation
treatment against hazards
◉Disadvantages of conventional viticulture. Answer: plants more
prone to pests/diseases
no natural ecosystems
residual chemicals cause environmental damage
◉Advantages of sustainable viticulture. Answer: customer
recognition/approval
promoting natural ecosystems
maintaining biodiversity
minimazed use of chemicals
reduced impact on environment
minimized waste
, ◉Disadvantages of sustainable viticulture. Answer: term is not
protected
no clear standards, can be too low
◉Advantages of organic viticulture. Answer: seeks to improve soil
increasing vine's disease restistance
increased biodiversity
customer recognition
reduction of chemical treatments
saving costs of chemicals
◉Disadvantages of organic viticulture. Answer: certification adds to
costs
reliance on copper sprays
buildup of heavy metals in the soil
◉Biodynamic viticulture. Answer: Invented by Rudolf Steiner and
Maria Thun in early 20th century
metaphysical elements in theory that all parts of
universe/ecosystem are connected. The lunar calendar, Root days,
Leaf Days & special compost preparations are practiced. Overseen
by Demeter International.
DRC is farmed biodynamically