Viticulture/Training Flashcards
When does pruning taking place?
December-March
When is bud break?
March
3-4 weeks after shoot growth
When does flowering take place?
May
Inflorescence occurs 6-9 weeks after bud break
Bloom lasts 8-10 days
Early ripening picked 8-10 weeks after flowering
Late ripening 18 weeks
When does leaf pulling, summer pruning take place?
What do green harvests do?
July
Limit yields
When does veraison/ripening take place?
August
When is harvest?
August-September-October
Most picked 45 days after veraison
How long is the growing season?
165-180 days
When is winter pruning?
November
What did replanting post-phylloxera look like?
Opportunity to plant parcels to a single grape variety.
They replanted in rows
What is powdery mildew?
“Odium” A fungal disease that blankets the vine with thick, white filaments
Yields are reduced if outbreak occurs before flowering
What is downy mildew?
“Peronospera” Loves warm, humid weather.
Attacks leaves and stems with oil spots then with white cotton filaments
What is a Bordeaux Mixture?
Copper sulfate application to combat downy mildew
What is an asian fruit fly?
“Drisophila Suzukii They lay eggs in soft fruits and their larva hatch and feed on the pulp
What is Botrytis?
Fungus
“Noble rot”
Mold concentrates sugars
Need cool/moist mornings and warm/dry afternoons
Honey dessert wine
What grapes are most vulnerable to Coulure?
Merlot + Malbec
“Poor fruit set”