week2 - Vitis Vinifera Varietals Lesson 2 Grape Variety A...

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1 Vitis Vinifera Varietals Lesson 2 Grape Variety • A premier concern is the grape variety • There are several thousand (4000?) known wine grapes – Forty (40) are recognized as having distinct differences • Twenty-four (24) are widely used – Of these twenty-four: » Nine (9) have international dominance 4000 40 24 24 9 Nine classical grapes that Nine classical grapes that are critical to know are critical to know
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2 The Varietals • We will discuss all twenty-four (24) varietals – There are others we could have discussed – Familiarity with nine (9) internationally dominant varietals is the essential minimum to make you somewhat knowledgeable and conversant about wine Botanical Classification • Plants are classified in a manner showing their relationship to one- another, yet allowing for unique and specific description and identification • Order •F am i l y • Genus • Species •V a r i e t y •P
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3 Classification of Wine Grapes • Variety: A distinct type of vine within the species. – Different vines produce different grapes which are referred to as varietals • We’ll focus here Classification of Wine Grapes • Prole: There are 3 Proles into which all Vitis Vinifera are divided, based on geographic origin and end use. – Proles occidentalis • Native to Western Europe; Most wine grapes – Proles pontica • Oldest varieties; Native to Aegean and Black Sea –P ro leso r ien ta l is • Mostly table and drying grapes; Native to Middle East, Iran, Afghanistan; Includes Muscat of Alexandria and Cinsaut (Cinsault)
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4 Classification of Wine Grapes • Taken to the extreme a bottle of Cabernet Sauvignon could be labeled as – Order Rhamnales, Family Vitacea, Genus Vitis, Species Vinifera, Proles Occidentalis, Clone INRA BX 5197 – For further exploration: » The Oxford Companion to Wine, J. Robinson (ed), 2 nd ed, from which most of the above is drawn Vitis • Vitis vinifera • Vitis labrusca • Vitis riparia • Vitis aestivalis • Vitis rotundifolia – and many more Phylloxera Vastatrix • A wine louse/aphid » Also known as: Dactylasphaera vitifoliae – An American east-coast gift!? • Feed on the roots – Sucks sap, returns waste/poison – Major problem in Europe and the world of wine from the 1860s onward – American vines are immune
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5 Phylloxera Vastatrix • Response – Grafting –Hyb r ids –C lones California Grape Acreage
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This note was uploaded on 10/17/2011 for the course ECON 101 taught by Professor Thompson during the Spring '11 term at Michigan State University.

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week2 - Vitis Vinifera Varietals Lesson 2 Grape Variety A...

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