Kelly Fleming Wines makes about 1, 000 cases of Cabernet Sauvignon and Sauvignon Blanc a year.

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Known for its sauvignon blanc and cabernet merlot blends, Yatir achieved meteoric success and was the first Israeli winery to be listed in London's exclusive department store Selfridges.

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Dr Meredith first came to fame four years ago, when she showed that cabernet sauvignon, widely reckoned the noblest grape of them all, was a hybrid of cabernet franc and sauvignon blanc.

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Under the advisement of Michel Rolland, a Bordeaux-based wine consultant, Grover produces a variety of whites and reds, including sauvignon blanc, viognier, cabernet and shiraz, that are as palatable with a plate of cumin-crusted lamb chops as they are on their own.

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Though it has long been suspected that Cabernet Sauvignon and Cabernet Franc are related, the relationship to Sauvignon Blanc has come as a bit of a shock to those with a nose for such things.

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The unique climate of each vineyard allows for the production of cabernet sauvignon, chardonnay, merlot, pinot noir, sauvignon blanc, malbec, syrah and viognier.

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All 24 sites could be accounted for if the first Cabernet Sauvignon vine was a hybrid between Cabernet Franc (another red variety from Bordeaux) and Sauvignon Blanc (a white grape grown widely in western France).

ECONOMIST: Secrets of the Cabernet