Viticulture/vinification Flashcards
Size of Barrique and Tonneau
225 and 900 liters
Size of Burgundy’s Piece
228 Liter
Armagnac Piece size
400-420 liters
Champagne barrel
205 Liter
South rhone Demi Muid
600 liter
Rheingau Stuck
1200 Liter
Mosel fuder
1000 liter
Jerez Butt size
600- 650 liter
Jerez bota chica (shipping butt)
500 liter
Douro/Porto pipe liters
530-630 liters (production)
534.24 liters shipping
Italy tonneau liters
550 Liter
Tokai Gonc liters
Approx 136
American whiskey barrel liters
190 liters
Aussie hogshead liters
300 liters
Aussie puncheon liters
450-500 liters
Two ma in training systems
head and cordon
Describe Cordon training VS head
at least one permanent arm (cordon) extend the from trunk
Head means no permanent arm, gnarled knob (head) top
Vin Gris is
Red grapes vinified as white wine, so just pink tinted, some use to get rid of softer first pressing of red grapes in search of concentration of remaining juice
When (ish) is Bud break Northern/Southern hemisphere
March North
September South
when does flowering occur post bud break, what happens next
6-13 weeks
then flowers bloom 13 days while they pollinate and fruit sets (normally 30% of embryo gets to be fruit)
what is Millerandage?
uneven ripening
When ish does veraison occur N/S hemisphere
Green baby grapes in June/December
Veraison (berries begin turning color) in August/February
What does lignify mean?
Turn to wood (green stalks lignify when ripe)
What is Vendange
harvest
What does vinifera mean?
“wine bearing”
best temp, latitude, rainfall, sunshine hours for vines
average 50-68 degrees, veraison Red 70 degrees white 66 degrees
30-50 latitude
Minimum rain: 20-30 inches
Minimum sunshine: 1300 hours
What does application of lime do in vineyard
raise PH
name of America vine resistant to Phylox
Vitis Riparia (and others)
What does asian lady beetle do?
Secretes body fluid (ew) that taints (hehe) berries
Where is leaf roll a particular problem?
SA
its q complex of viruses that redden and roll up leaves which slows ripening and lowers yields (50%.)
A which temp does photosynthesis Stop?
85/90 degrees
Most Alluvial soils hold what?
sand, gravel
What is Arene?
coarse granitic Sand in Beaujolais
Major categories of vine disease
4 fungal (powdery, downy, viral bacterial phytoplasma (example: grape vine yellows)
4 infestation threats
Mealy bugs
Nematodes
glassy winged sharpshooter
phylox (aphid, now called Daktulosphaira vitifoliae)
Types of fungal disease
Powdery MiIdew (oidium) Downey Mildew Eutypa Dieback Esca Black Rot Bunch Rot (botrytis)