The red grape variety is a new variety between Barbera x Chatus (Nebbiolo di Dronero). Synonyms are Dalmasso 4-31, Incrocio Dalmasso IV/31 and Superga. The cross was made in 1937 in Conegliano(Veneto) by Giovanni Dalmasso (1886-1974). The same parents also produced the new varieties Albarossa, Cornarea, Nebbiera and San Michele. The medium to late ripening vine is resistant to fungal diseases. It produces ruby red wines with a low alcohol content. The variety is cultivated in the Piedmont region. In 2016, 17 hectares of vineyards were designated in Italy with a downward trend (Kym Anderson statistics).
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