The red grape variety (also Dalmasso 15-31) is a new variety between Chatus (Nebbiolo di Dronero) x Barbera. Synonyms are Dalmasso 15-31 and Incrocio Dalmasso XV/31. According to DNA analyses carried out in 2004, the breeding list entry Nebbiolo x Barbera turned out to be incorrect. The crossing was made in 1938 in Conegliano (Veneto) by Giovanni Dalmasso (1886-1974). With the same parents Cornarea, Nebbiera, San Michele) and Soperga were born. The vine produces colourful, tannin-rich red wines with balanced acidity. It is cultivated in Piedmont, where it is permitted in the DOC area Piemonte. In 2016, 70 hectares of vineyards were designated (Kym Anderson).
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