Soil / Grape Growing Flashcards
True or False: Water drainage is key in Bordeaux
True
True or False: Bordeaux grape varieties are matched to and purposely
grown in the soil type that best suits its needs.
True
What are the soil types of Bordeaux?
Gravel, Clay, Limestone, Sand
The soil for Saint-Émilion on the Right Bank
Gravel, limestone, sand
The soil for Médoc and Graves on the Left Bank
Gravel
The soil for Pomerol on the Right Bank
Iron pan under sand and clay
Region on the Left bank that uses:
* Gravel, with great moisture draining properties. Perfect for
Cabernet Sauvignon.
The Medoc
What soil is in Graves AOP?
Gravel
How is the soil described in Entre-Deux-Mers AOP
Very Fertile Soil
Which region is located on the right bank and uses Soils
* Proportions vary depending on the location
– Large bed of silt, clay, and gravel
– Limestone plateau
– Sand
Saint-Émilion
What soils are in Pomerol?
Soils
* Sand
* Clay
* Gravel
* Subsoil of iron pan and rich clay
True or False:
Evaporation from large bodies of water and springtime
precipitation contribute to humidity, mold, and rot.
True
Is humidity beneficial for the formation of noble rot in
sweet wine production, like in Sauternes
Yes
What are the two types of rots that are not good for grapes?
black and grey rot
Another name for the fungus Guignardia bidwelli which attacks young shoots, stems, leaves, berries and spreads only in mild, wet weather
Black rot
The Botrytis bunch rot, also known as grey mould, can lead to a moldy vinegary smell
Grey rot
The rot when given the right weather, called pourriture noble in French, and make the world’s finest sweet wines
Noble rot
when cold air sinks below 0°C and freezes water on surfaces, including new buds on grapevines.
Springtime frost
a significant impact on the vintage yield, as the buds can be killed and won’t have time to rebud and flower. In some cases, growers have lost almost their entire year’s production in just a few days
Springtime frost
Some factors that can contribute to spring frosts in Bordeaux:
1. ______: Can cause vines to bud earlier than usual
2. ______: Can cause a mismatch between the climate and the vines’ vegetation cycle
- Mild winters
- Climate desynchronization:
List ways winegrowers can combat spring frosts,
- wind machines
- candles, and torches in their vineyards.
- postponing pruning, soil cultivation to gain some time before the frost
a liquid fungicide, bactericide, and algaecide that’s made from copper sulfate, hydrated lime, and water
Bordeaux Mixture
- know as bouillie bordelaise in French
-Used by traditional growers
-One of the few preparations permitted in organic and biodynamic viticulture - chemical used to control down mildew, fungal diseases, and bacterial diseases
Bordeaux mixture
