Italian Wine Grapes, Ends in "O" (Difficult)

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Across
  1. 5. More Kilo Ren than Darth Vader, grape of Tuscany (Nero, Dog Days)
  2. 7. They got a cheese by the same name.
  3. 10. Aromatic white grape from Puliga since 13th C.
  4. 11. High vigor, late flowering grape, 'a good friend' to farmers in Pisa, Pistoria.
  5. 12. White grape predominatly in Friuli-Venezia Giulia
  6. 14. Northwestern Italy's darling grape.
  7. 16. Lightly hued red grown mainly in the Pinerolese area of Piedmont (>300hl unblended per annum.)
  8. 17. Need pigment?
Down
  1. 1. Global wine, usually sweet, __ D'asti.
  2. 2. Italian for crossing, ____ Manzoni from Conegliano, Veneto
  3. 3. Violet aroma grape from Tuscany aka Fegeri (Red)
  4. 4. from a valley in Trentino, South Tyrol (Red).
  5. 6. Ancient grape reminiscent of Black Muscat. Common in Tuscany. 2003 Bronze Medalist at the Australian Alternative Varieties Show.
  6. 8. Luigi Einaudi, Italy's first president, cultivated thousands of ____ vines on his estate in Piedmont.
  7. 9. Light Red, Sicilian, Fragrant
  8. 13. Indigenous to Emilia-Romagna, v dark berry.
  9. 15. North Eastern darling, commonly known as Tocai ___