Viticulture and Grapes Review Flashcards
what is the science and practice of grape growing called
viticulture
t or f
the best quality grapes are grown in areas where there is a relatively short and hot ripening period
f
t or f
vines thrive between 50 - 90 degrees
t
t or f
some viticulturists regard a microclimate as the climate surrounding one vine
t
what is the name of the system developed in california that delineates certain growing regions based on the average temperature during the growing season
the heat summation system or winklers HSS
how many regions does it delineate
5
which region is the coolest give an example
region 1 is coolest carneros carmel valley santa ynez santa maria enda valley russian river
is region V suitable for growing fine wine grapes
no
when is frost most problematic
in the springtime
what methods do vineyard managers employ to eliminate frost
wind machines
heaters
oil burners
aspersion
what causes coulure
bad weather, particularly cold weather at flowering time
is rain at harvest time beneficial
no its undesirable
explain teh concept of terroir
terroir is an enological term that describes an area where the soil climate and particular grape variety are expectionally well suited
whats the scientific name for the wine vine
vitis vinifera
what is phylloxera
a bug more specifically an aphid
when did phylloxera ravage europe
around 1860 the late 1800s
how does phylloxera destroy a vine
destroys a vine by eating away its underground root structure
are there any wine growing regions in the world that have not been affected by phylloxera
yes chile parts of australia and new zealand
t or f
the grapes in southern hemisphere are harvested at the same time as the northern hemisphere
f the southern hemisphere cycle has 6 months difference the grapes would be harvested in late spring
in what season does pruning take place in the northern hemisphere
pruning takes place in the winter
name three classic varieties of red wines
cabernet sauvignon
merlot
pinot noir
syrah
Name three classic varieties of white wines
chard sb chenin blanc riesling semillon
t or f
vitis labrusca is the most common species of vine
f
name the crossing of pinot noir and cinsault
Pinotage
where is the crossing of pinot noir and cinsault grown
south africa
give an example of a clone
brunello di montalcino
gammy
what are the types of pruning
cane pruning
spur pruning
head training
when do the vines buds begin to break
flowering can start in may but usually takes place in june and is completed by july
explain veraison
verasion if the ripening period for grapes when the berries change from the small hard green stage to their swelled softened and colored form