wset diploma white grape varieties part 1 mary gorman, dws september 2010
TRANSCRIPT
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WSET Diploma White Grape Varieties
Part 1
Mary Gorman, DWS
September 2010
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White Grape Varieties - Part 1
• Chardonnay• Sauvignon Blanc• Semillon• Pinot Gris• Pinot Blanc
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Winemaking Choices• Harvest date (level of ripeness)• Selection & handling • Crush & de-stem + press or whole cluster pressing • Free run juice or/and press wine• PFM / cold soak• Settling / clarification• Fermentation vessel - barrel, INOX, mix + if barrel size and age of barrel• Yeasts - cultured , natural or mix• Fermentation temperatures• Reductive or oxidative winemaking• Must adjustments (acid, SO2, enzymes, DAP)• Malolactic fermentation - induced, suppressed• Lees ageing• Batonnage• Ageing: Oak, INOX - type, age and seasoning of oak, length of maturation time• Finishing - Clarification, stabilization and filtration• Dryness, Residual sugar, spritz
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Chardonnay
• Most sought after variety in world
• 2nd most planted variety in world
• Easy to grow• Homeland - Burgundy• Diversity of style and
quality• Global geographic
spread
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Chardonnay
• Origin• In the Vineyard• At the Winery• Styles• Key regions• Quality and Ageability
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Sauvignon Blanc
• Hugely popular• Outspoken, vibrant,
clean, vibrant aromas and flavors
• Aromatic variety• Global geographic
spread• Diversity of style and
quality• Easy to grow
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Sauvignon Blanc
• Origin• In the Vineyard• At the Winery• Styles• Key regions• Quality and Ageability
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Semillon
• Ugly duckling or beautiful swan?
• Bordeaux origins• Susceptibility to botrytis• Geographic spread• Diversity of style and
quality– Sweet, dry and fortified
• Australia - known as Hunter Riesling
• Adds plumpness and flesh to a wine
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Semillon
• Origin• In the Vineyard• At the Winery• Styles• Key regions• Quality and Ageability
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Pinot Gris
• Many synonyms– Pinot Gris vs. Pinot
Grigio
• Mutation of Pinot Noir• Pick skinned• Global geographic
spread• Diversity of quality and
styles– Fabulously ageworthy or
easy, early drinking
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Pinot Gris
• Origin• In the Vineyard• At the Winery• Styles• Key regions• Quality and Ageability
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Pinot Blanc
• Not regarded as a ‘star’ anywhere
• Widely planted but never the leading player
• Greatest virtue is its subtlety
• Limited geographic spread
• Range of styles and quality
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Pinot Blanc
• Origin• In the Vineyard• At the Winery• Styles• Key regions• Quality and Ageability