Bosco (grape variety)

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Bosco ( Italian: forest ) is a white wine variety that is found in the metropolitan city of Genoa and the province of La Spezia in the Italian region of Liguria . It was introduced to Riomaggiore in the 19th century from sprouts found near a forest near Genoa and eventually became the main grape variety in the surrounding region. The taste simple, high-yielding variety is therefore the main variety for the DOC - white wine Cinqueterre . At the end of the 1990s, around 500 hectares of vineyards were planted with the Bosco variety. The late-ripening variety produced an average of around 36,000 hectoliters of wine per year.

See also the article Viticulture in Italy and the list of grape varieties .

Synonyms: Bosco Bianco, Bosco Bianco del Genovesato, Uva bosco, Madea

Ampelographic varietal characteristics

In ampelography , the habitus is described as follows:

  • The shoot tip is open. It is hairy and of a light green color. The greenish young leaves are also coated like a cobweb. The leaf margins are bronze.
  • The pentagonal leaves are usually five-lobed and strongly cupped (see also the article leaf shape ). The stem bay is open in a U-shape. The sheet is serrated to a point. The teeth are medium-sized compared to the grape varieties.
  • The conical to cylindrical grape is large and dense. The round berries are medium-sized and straw-yellow to golden-yellow in color.

Bosco ripens almost 25-30 days after the Gutedel . It is therefore considered to ripen late. The vigorous variety produces consistently high yields. The white wines only have a comparatively low alcohol content. Bosco Arinto is a variety of the noble grapevine ( Vitis vinifera ). It has hermaphroditic flowers and is therefore self-fruiting. In viticulture , the economic disadvantage of not having to grow male plants that produce yield is avoided.

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