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Rossola nera is a red Italian wine grape variety that has been growing in the Valtellina region of Lombardy since at least the 17th century. In 2004 DNA profiling determined that the grape has a parent-offspring relationship with the Piedmont wine grape Nebbiolo though which variety is the parent and which is the offspring is not yet clear. However, most ampelographers believe that Nebbiolo is likely the parent variety since written records in Piedmont have noted Nebbiolo being grown since at least the 13th century.〔J. Robinson, J. Harding and J. Vouillamoz ''Wine Grapes - A complete guide to 1,368 vine varieties, including their origins and flavours'' pgs 701-702, 915 Allen Lane 2012 ISBN 978-1-846-14446-2 〕 ==History and relationship to other grapes== An early 17th century Latin text list Rossola nera, under the synonym ''Rossoladure'', as one of the grape varieties growing in Valtellina. The grape's name ''Rossola'' derives from the Italian word ''rosso'' and refers to the reddish-pink color that the grape berries become after ''veraison''. Several grape varieties have ''rosso'' in their primary names or synonyms and over the years Rossola nera has been confused for Rossara Trentina, Rossignola and Rossolino nero. In 2001, DNA analysis would show that Rossola nera was a likely parent variety for Rossolino nero.〔 In 2004, DNA evidence suggested that Rossola nera and Nebbiolo, the grape behind the notable Italian wines Barolo and Barbaresco, have a parent-offspring relationship. With Nebbiolo's long recorded history of being cultivated in the Piedmont region since at least the 12th century, wine historians and ampelographers largely believe that Rossola nera is likely the offspring in that relationship.〔 Through its parent-offspring relationship with Nebbiolo, Rossola nera is a half-sibling of several Piemontese wine grape varieties including: Vespolina, Brugnola, Bubbierasco, Nebbiolo rosé, Negretta, Neretto di Bairo and Freisa.〔Ian D'Agata ''Native Wine Grapes of Italy'', pg 476 University of California Press 2014 ISBN 9780520272262 〕 Despite this new evidence of Rossola nera's likely heritage, there is still some confusion about the grape's relationship with similarly named vines grown elsewhere. This includes the dark-berried color mutation of Trebbiano (Rossola bianca) that is grown in northern Italy as well as the ''Rossolo'' vine from the Trentino-Alto Adige/Südtirol wine region that is often blended with Schiava (Trollinger). Wine expert Oz Clarke notes that there is long standing questions as to whether the ''Rossola nera'' vines grown in Corsica are the same vines, or closely related, to the Lombardy Rossola nera.〔Oz Clarke ''Encyclopedia of Grapes'' pg 203 Harcourt Books 2001 ISBN 0-15-100714-4〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rossola nera」の詳細全文を読む スポンサード リンク
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