Grape Varieties And Grapevine Genetics, Part 2: When Is Identical Really Identical?

by Ian D’Agata

Back in 2009, everyone in Australia must have felt pretty good about their unique Albariño wines. You can hear them now: “Gee, isn’t our terroir real swell? It gives such different Albariño wines from those made everywhere else”; or perhaps “… It’s the terroir man, that’s where it’s at. Terroir, buddy, I tell you, listen to me now, terroir’s the thing”. Well, maybe so, but then in 2009 the roof caved in on all that “terroir” gobbledygook: the fact is, they weren’t making wine with Albariño at all, but with Savagnin, an altogether different grape from Jura. Hence, wines that tasted nothing like those made with Albariño: and so they should given the main ingredient was completely different. Try making a carbonara pasta with tomatoes instead of eggs and see what you get: whatever it is, it will taste nothing like carbonara, and neither it should. Just like it is in cuisine, ingredients count in wine too.

Similar grapevine identification mistakes to that Australian example abound throughout history, and are very common still today. In fact, this example from Australia is but one in a very long line of similar mistakes made in the would-be identification of grape varieties. In this specific Australian case, the error was traced back to a mix-up that occurred in the early 1990s when Spanish authorities supplied the Commonwealth Scientific and Industrial Research Organisation (CSIRO) with the incorrect propagating material (sending them Savagnin thinking it was Albariño), leading to the widespread planting of the French variety instead of the Spanish one in poor Australia (in this case, very much an innocent bystander). Trouble is, while everybody likes to talk terroir (and don’t we know it), wine is, first and foremost, about the grape variety used to make it. Clearly, geological differences, water regimen diversity, altitude and exposures all play a role in fashioning site-specific wines: but the main determinant of the way a wine will taste is always the grape variety that was used to make it. Just like a red apple tastes different from a green apple, and an apple pie made with one of those types of apple will taste very different from an apple pie made with the other, then a wine made with Cabernet Sauvignon will always taste different from one made with Pinot Noir. It cannot be otherwise: in fact, it’s completely illogical to think that it would be otherwise. It follows that if and when you get two such wines tasting the same, it’s not terroir that accounts for any of the perceived similarities in the wines, but most likely it’s just that you are tasting wines made with grapes that are not what you were told they were. It would be worth a laugh or two, if the consequences of such mistakes would not border on the severe, even dangerous.

Just how does the identification of grape varieties work (or doesn’t)?

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Ian D’Agata
Ian D’Agata

Ian D’Agata is an internationally famous, multi-award winning author who has been speaking and writing about wine for thirty years. His latest books (Native Wine Grapes of Italy, Italy’s Native Wine Grape Terroirs, Italy’s Grapes and Wines: The definitive Compendium Region by Region and the most recent, Barolo Terroir) are considered the bibles of Italian wine and have received numerous prestigious awards such as the Louis Roederer International Wine Awards “Book of the Year” title, the Gourmand World Book Awards “Best European Wine Book” and being named to the “Best Wine Books of the Year” lists of newspapers and magazines such as the NY Times, the Financial Times and Food & Wine. For eight years, Ian has also been the co-author of the Italy section in Hugh Johnson’s Pocket Book of Wine, the world’s best- selling wine guide with 46 editions to date and over 12 Million copies sold all over the world; he has since been also put in charge of the Alsace and Malta sections.
He is the is currently the President of Ian D’Agata Wine Culture, one of China’s wine education platforms, that includes the Ian D’Agata Wine Review and the Ian D’Agata Wine Academy. Ian is a former staff writer at Stephen Tanzer’s International Wine Cellar, Contributing Editor of Decanter, and Senior Editor of Vinous. His writings have always focused on the wines of Italy, France, China and Canada, for which he has won numerous international awards and accolades, including the Comitato Grandi Cru d’Italia “Best Youngest Wine Journalist of Italy” and the “Best Wine Journalist of Italy” awards, as well as Canada’s 2018 VQA award (Out of Ontario section) and 2017 Cuvée Award of Excellence.
Intensely devoted to the research and study of native wine grapes, Ian was officially named in 2015 to Italy’s prestigious Accademia della Vite e del Vino (Italy’s official association of wine academicians, researchers, and university professors) and is currently the Vice President of the Association Internationale des Terroirs.

Contacts: Instagram: @ian_dagata

Email: ian.dagata@iandagatawine.com

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Ian D’Agata has led different wine schools over the years, and has been increasingly asked over the years to set up new ones for different outfits. In the early 2000s, he taught wine courses at the Gambero Rosso’s Citta’ del Gusto, and in 2003 was named co-director of the International Wine...

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