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wine (origin of cultivar (vitis vinifera (it is vulnerable to (phylloxera,…
wine
origin of cultivar
in asia minor
vitis vinifera
is a varieties for wine
is indigenous to europe
high sugar contenent
alcol content of wine (10%)
more resistant to bacterial infection
moderate acidity
it is vulnerable to
black rot
phylloxera
caused by root
lesion
dead of plant
epidemic in the 19 century (england)
american varieties for fight this problem
3000 bc
factors which influence growth
soil
ideal is moderate fertility
sun exposure
climatic condictions
wine making proces
wine is an alchoolic drink
used action of yeast
ethylic alcohol
producing carbon dioxide
saccharomyces (cerevisiae) , uvarum ,chevalieri.
fermenting process
red wine
dark skinned
in made from black
maolactic fermentation
trasform malic acid into lactic acid
reduces the acidity
white wine
yellow grapes
maturation in bottle or barrels