Name 3 methods to combat frost
What is véraison
French term for when grapes change color from green to black / bright lime green to a pale translucent green, as part of the ripening process that usually occurs in July
What is noble rot called in Germany
Edelfäule
What is noble rot called in France
Pourriture Noble
What is noble rot called in Italy
Muffa Nobile
What is nobel rot called in Hungary
Aszúsodás
What cause Millerandage, name 2
What cause Coulure
Cold or wet weather at flowering time
What is Oidium tuckerri
Powdery mildew
Where is the Oidium tuckerri originated
USA
What does Oidum tuckerri cause to vine?
it attacks the green parts of the vine and develops white powdery spores.
It will cause grapes to
1. split open
2. fall off
3. not ripen
What is peronospera
Downy mildew
What does Peronospera do to vine?
attacks the green parts of the vine leaf in particular
What is the other name of Powdery Mildew?
Oidium tuckerii
What is the other name of Downy Mildew?
Peronospera
What is the name of the louse / aphid responsible for the Great French Blight?
Phylloxera
When was the Phylloxera discovered?
1863
Name the 5 vine spieces used for grafting to combat Phylloxera
What kind of soils Phylloxera does not like
Sandy, dry soils
Which regions in the world are Phylloxera free? Name 6
Name 2 grapes that are naturally resistant to Phylloxera
What is the yeast name that is commonly used in winemaking?
Saccharomyces Cerevisiae
What is the name of the person who introduced Biodynamics? What year?
Rudolph Steiner from Austria, 1924
Name the main ingrediants of the Biodynamic preparation : 500
Cow Manure / Dung