Synonym: Nosiola Gentile, Nusiola, Spargeren.
Commonly mistaken for: Duella, Duello, Dall’occhio Bianca.
Origin: It’s very difficult to find the history of this variety before the beginning of the 19th century; probably its origins are Italian around Trento province (North of Italy), where for the first time it was carefully described by Acerbi (1825). Its name "Nosiola" derives from the word Nocciola (the Italian word for hazelnut). Both the reflexes of the ripe berries and the canes in winter, they remember the characteristic "light brown" colour of the hazelnuts; also the flavour of the wine can be associated with this dry fruit.
Agronomic and environmental aspects: It has a preference for medium friable soils, rich in rock fragments. It grows well in hilly regions with a good exposure and well ventilated. The vine is suitable for different training systems and pruning techniques. In the Trentino region a wide training system (pergola) and cane pruning is used. For this variety cases of incompatibility of graft have been shown for some rootstocks (Rupestris du Lot). Very good yield, but sometimes inconsistent.
Diseases, pests and disorders: This vine is very adaptable to different climates, but having an early time of budburst it can be susceptible to spring frosts. In humid seasons it can show susceptibility to botrytis and powdery mildew; good resistance to downy mildew. Susceptible to stem necrosis and mites.
Growing Tip: fully open, hairless, of bright golden green colour with copper edges.
Leaf: medium-small size, pentagonal, 3-lobed. Has a wide open U-shaped petiolar sinus, lateral sinuses U shaped and deep, with lobes slightly overlapped. The profile is slightly involute or V-shape with revolute lobes.
Bunch: medium size, of conical-pyramidal form, long, with one or two wings, high density of berries.
Berry: medium size, round; thin skin, strongly covered by bloom, of a golden yellow colour with greenish reflexes. The flesh has a neutral flavour.
Wine is yellow in colour, with golden hues, full body, low in acid, light and refreshing, with intense and persistent mineral and peach flavours, a bit rustic on the nose with a suggestion of hazelnuts. It would appear to be quite a versatile grape for a range of wine styles. In Italy the wine is mostly sold under the name Nosiola, but is sometimes called Sorni, when it is blended with Muller Thurgau, Sylvaner verde and Pinot bianco. Aromatic and prolonged flavour and with a good structure when, using semi-dry bunches, it is a Vino Santo. Nosiola is an important variety for DOC Garda orientale, Lugana, Valdadige, Trentino, Sorni, Vin Santo Trentino.