But the important piece of news here is not so much that Pinot Gris has an international identity crisis, but that, purely on its own merits, the grape has come to be cherished by wineries from New Zealand to Napa Valley.

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Now, however, more and more grape growers are opting to produce their own Champagne for export, something Dr Charters says is an opportunity to bring grape growers and Champagne houses together to discuss their trade.

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Woolworths also manufactures its own brand of everything from sliced bread to grape juices and ice cream.

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