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Siyana

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Vitis L. Grapevine · Fruit crops

also searched as: сияна

Variety description

10 August 2026

The variety is an intraspecific hybrid of the Vitis vinifera species. Vines have very high vigor, the flower is bisexual. Late maturity implies a growing season of 151 to 180 days, depending on the climatic conditions of the cultivation region.

Clusters are large, conical in shape, branched and loose, with an average weight of 530 g. Berries are very large, elongated, weighing 10–14 g, colored blue-black with a thick bloom. The flesh is firm and crisp, the skin is edible. Sugar content is about 17% with an acidity of 5.2–5.4 g/l.

Resistance to downy mildew, powdery mildew, phylloxera and viral diseases is medium; the variety is relatively resistant to grey mold. Frost resistance is low, with a tolerance limit of -15...-18°C. Recommended for cultivation in southern regions using low-vigor rootstocks.

Sources8
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Countries of admission

1 jurisdiction

Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.

QZ

no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Maintainer
BG 2 11 Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

  • QZ European Union Active

    № Siyana*BG 2

Records are sourced from official registry publications. Data sources and legal status

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Nearby in the species list Silvaner Roth, Silvania, Silvánske zelené, Sirac, Sirah, Sirano, Síria B, Sirio B., Sirius, Sivi pinot, Skarb Pannonii ISK, Skiadopoulo B, Sklava B, Skopelitiko, Skyloklima B, Skylopnichtis N, Sladkocica, Sladkocrn, Slarina N., Slast

Discussion: Siyana

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