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Roussette d'Ayze

The white grape comes from France, Synonyms are Bonne Roussette d'Ayze, Grosse Roussette, Maclon, Riusse, Riussette. It may not with other grape varieties with the name part Roussette be confused. The supposition of Pierre Galet (* 1921) that she was an early ripening mutation of the variety Mondeuse Blanche is refuted in 2009. There may be one Parent-offspring relationship with the variety Ondenc, According to done in 2013 DNA analysis it is a presumably natural cross between Altesse x Gouais blanc, However, this is based on only 20 DNA markers (see under molecular Genetics ).

The early ripening vine is susceptible to fungal diseases such as falsifiers mildew and Botrytis, It produces acidic white wines, which are mainly used in sparkling wine production. The endangered species is in the region Savoy grown where they are in the two areas Bugey and Vin de Savoie is allowed. In 2010, only one hectare was reported (Statistics Kym Anderson ).

Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012

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