The white grape variety is a new breeding between Riesling x Pinot Blanc. Synonyms are I.M. 6.0.13, Incrocio Manzoni 6.0.13, Manzoni 6.0.13 and Manzoni Bijeli. The cross was made by the Italian breeder Luigi Manzoni (1888-1968) in the early 1930s at the Conegliano Viticultural Institute in Veneto (Italy). It was by far his most successful creation. The early to medium ripening vine is resistant to powdery mildew and esca. It produces aromatic white wines with flavours of jasmine, lemon herb and honey. The variety is mainly cultivated in the Veneto region, where it is permitted in the DOC/DOCG wines Bianco di Custoza, Colli di Conegliano, Colli Euganei and Vicenza. There are other stocks in Apulia, Friuli Venezia Giulia, Calabria, Molise and Trentino Alto Adige. In 2000, the area under cultivation in Italy was still 8,290 hectares. In 2016, however, only 339 hectares of vineyards were reported; the reason for this extreme reduction is not known (Kym Anderson) . Small areas are also said to exist in the Penedès area of Spain.
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