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21 Cards in this Set
- Front
- Back
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Name 5 common vine diseases and pests
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Grey/black rot
Leaf roll virus Coulure Eutypa Fanleaf degeneration Millerandage Nematodes Powdery Mildew Downy Mildew Phylloxera Pierce's disease. |
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Define "triage"
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Hand selecting grapes for the crush
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Holding grapes with their skins is called
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macération pelliculaire, pre-fermentation maceration, or cold soak
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Why is sulfer dioxide sometimes added to wine?
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To kill wild yeast strains so cultured yeast can be used for fermentation.
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What is vin de presse?
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Must pressed from skins and other materials after the free run juice has been drained.
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This process converts malic acid into lactic acid, gives off a little bit of CO2, and reduces the acidity of wine.
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Malo-Lactic fermentation
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This process allows tartaric acid to precipitate and form crystals.
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Cold stabilization
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The practice of stirring up the lees of a wine for flavor extraction is called what?
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Battonage
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Mounding soil around the base of vine to insulate it is known as what?
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Buttage
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Freezing grapes manually to simulate ice wine conditions is known as what?
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Cryoextraction
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The maceration of grape skins during fermentation to extract color and tannin is known as what?
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Cuvaison
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Allowing solids to settle prior to racking is known as what?
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Débourbage
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The mixture of dead yeast cells, pieces of stalk, pips, pulp, and other solids found at the bottom of a fermented wine is known as what?
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Lees
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Grapes that have been shriveled from strong winds are known as what?
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Passerilage
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The act of punching down the cap of fermented wine is known as what?
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Pigeage
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The act of pumping fermenting juice over the cap is known as what?
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Remontage
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Wines can be reduced in alcohol by this process
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Reverse Osmosis
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What is süssreserve
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Unfermented grape juice used to sweeten wines, particularly German wines.
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The onset of ripening, when grapes begin to grow rapidly in size and change color is known as what?
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Veraison
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Name the stages of the vine life cycle.
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Weeping
Bud Break Shoots and Folliage Flowering Fruit Set Ripening Harvest Sometimes: Botrytis or Eiswein |
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What is passerillage?
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After ripening, the canes become hardened and the grapes are cut off from the metabolic processes of the vine and begin to dehydrate
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