Siyana

Active

Vitis vinifera L. subsp. vinifera Wine grape · Fruit crops · bred by Ivan D. Todorov

also searched as: сияна

Variety description

10 August 2026

The variety was obtained by self-pollination of the hybrid form 3/32, derived from the crossing of the Bolgar and Alphonse Lavallée varieties. The vines are characterized by very high vigor. Bunches are large, weighing 500–600 g, conical in shape, branched and loose.

Berries are very large, weighing about 10 g, elongated in shape, blue-black in color. The flesh is fleshy, with a crisp consistency, neutral taste, without specific aromas. The berries contain seeds.

Late maturity variety, under Bulgarian conditions it ripens by mid-October, in more northern regions — in September. Yield is about 20 c/ha. Winter hardiness is low, down to -15...-18°C. Resistance to downy mildew and powdery mildew is low, relatively resistant to gray mold.

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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

active no record

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

Parties

Breeder: Ivan D. Todorov 2 Developed the variety
Applicant: Institute of Agriculture and Seed Science "Obraztsov Chiflik" - Ruse (BG) 27 Submitted the application to the register
Rights holder: Institute of Agriculture and Seed Science "Obraztsov Chiflik" - Ruse (BG) 27 Holds the rights to the variety

Admission to trade

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

BG Bulgaria Active

№ 684/7

Application

5 March 2003

Registration

16 March 2007

Registry	Number	Application	Registration	Terminated	Status
BG Bulgaria	684/7	5 March 2003	16 March 2007	—	Active

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

Bulgaria № 393

Active

Application filed 13 January 2003
Registered 31 July 2007
Entry closed 31 July 2037

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

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