Viticulture Flashcards
Put the stages of the annual growth cycle of the vine in chronological order. Include winter dormancy and weeping.
Winter Dormancy, Weeping, Bud break, shoot and leaf growth, photosynthesis begins, flowering, berry set, veraison, phenolic maturity and harvest
The process by which materials are moved from one part of the plant to another
Translocation
The process by which sunlight is converted into sugar
Photosynthesis
The process by which water evaporates through openings on the underside of the leaves
Transpiration
The process by which sugar is broken down and converted into biological energy
Respiration
A problem that causes poor fruit set, also known as shatter
Coulure
A soil-based roundworm that has become more prevalent with the increased use of shallow-rooted rootstock
Nematode
A mold that is sometimes beneficial, also known as noble rot
Botrytis Cinerea
A fungal disease also known as powdery mildew
Odium
A problem with abnormal fruit set that causes grape bunches to have a high proportion of small, seedless berries mixed in with normal, larger berries
Millerandage
A fungal disease also known as downy mildew
Peronospora
A bacterial disease spread by insects such as the glassy-winged sharpshooter
Pierce’s Disease
A destructive louse that feeds off the roots of vinifera vines
Phylloxera
True of False: In general, a lower latitude translates into a warmer climate
True
True of False: The Oechsle system of measuring grape ripeness is widely used in France
False (Germany)