Fws-viticulture Flashcards
What are the 2 major solutions to the phylloxera problem?
grafting cuttings onto resistant rootstocks and hybridization (grafting is preferred)
What is the biological nature of phylloxera?
insect
Name an untrellised pruning method that keeps vines low to the ground, requires hand-harvesting?
Gobelet system (for older vines)
What is a trellised pruning method with longer canes and shorter spurs?
Guyot system (for newer vines)
What are two advantages of trellising?
provides support during Mistral and provides option of mechanical harvest
Which method of rose production will yield a pale rose with explosive aromatics and minimal tannin?
Direct press
What method of rose production will yield a wine with more concentrated color and tannin with less complex aromatics?
saignee method
What is role of malo-lactic fermentation in the production of rose wine?
often not used in order to preserve acidity
What method of rose production also allows for red wine making at the same time?
saignee method
How long does the pressing cycle last in the direct press method of rose production?
about 4 hours
Grapes reach maturity how many days after flowering?
110 to 220 days later
How many days after vraison (maturation signaled by change of color and hardness) are grapes harvested?
45 days
Which grape is the benchmark for ‘normal’ ripening?
Chasselas
What is echalas?
traditional trellising with two sticks, two vines in a teepee structure (common in Northern Rhone) [Echalas is also a commune in the Rhône department.]
