Tangra

Active

Vitis vinifera L. Common grape vine · Fruit crops · bred by Ivan Todorov, Galina Dyakova

also searched as: тангра

Variety description

10 August 2026

The variety is an intraspecific hybrid obtained by inbreeding a hybrid form derived from the varieties Bolgar and Alphonse Lavallée. The plant has high vigor and forms large conical clusters of medium density, with an average weight of about 400 g.

The oval-shaped berries weighing about 5.5 g have a dark burgundy color and crunchy flesh. The variety belongs to seedlessness class III. Sugar content at maturity is about 18%, and titratable acidity is 4.85–4.9 g/l.

The variety is late-ripening and requires an active temperature sum of more than 3900°C. Winter hardiness is down to -19...-21°C. The variety is characterized by medium resistance to fungal diseases, including downy mildew and powdery mildew, and a high yield of up to 18 t/ha.

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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 Todorov, Galina Dyakova 2 Developed the variety
Applicant: Institute of Agriculture and Seed Science "Obraztsov Chiflik" - Ruse (BG) 27 Submitted the application to the register

Admission to trade

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

BG Bulgaria Active

№ 2321/99

Application

10 March 2008

Registration

12 April 2012

Registry	Number	Application	Registration	Terminated	Status
BG Bulgaria	2321/99	10 March 2008	12 April 2012	—	Active

Plant breeders' rights

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

Bulgaria № 660

Active

Application filed 21 December 2007
Registered 28 December 2012
Entry closed 28 December 2042

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

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Breeder

Ivan Todorov, Galina Dyakova All 2 varieties of company

Registry records

Total records: 2
Jurisdictions shown: 1
First registration: 2012

Same species