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Tristar

Active

Vitis L. Grapevine · Fruit crops

also searched as: тристар

Variety description

10 August 2026

The variety is the result of crossbreeding Riesling, Silvaner, and Pinot Blanc. The plant is characterized by medium shoot vigor and low yield. Clusters are small, with density ranging from medium to high.

Berries are small, round, with yellow-green skin and pulp without anthocyanin coloration. The variety belongs to the mid-early or mid-late maturity group, reaching full maturity in early October.

The plant possesses moderate resistance to downy mildew and gray mold, while a lower resistance to powdery mildew is noted. The variety also exhibits moderate resistance to flower shatter.

Sources2
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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

Applicant
Ing. Jan Rucki (CZ) 1 Submitted the application to the register
Rights holder
Ing. Jan Rucki (CZ) 1 Holds the rights to the variety
Maintainer
Ing. Jan Rucki (CZ) 1 Responsible for variety maintenance

Admission to trade

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

  • CZ Czechia Active

    № B159

    Application
    3 April 2006
    Registration
    28 December 2013

Plant breeders' rights

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

Czechia № 1729
Active
  1. Application filed 7 March 2007
  2. Registered 28 December 2013
  3. Currently active indefinite in the register

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

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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

Same species

Other varieties: Grapevine

All 4 075 varieties of species

RS-9

Active

Vitis L. · Grapevine

UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER

9 records

RS-3

Active

Vitis L. · Grapevine

UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER

9 records

Nearby in the species list Trigueira R, Trilla, Trilla K.M.1, Trincadeira Branca B, Trincadeira das Pratas B, Trincadeira Preta, Trincadeira T, Trišljavac, Trišnjavica, Trišnjivica, Triunfo T, Trnjak, Troišćina Crvena, Tronto N., Trousseau, Trousseau gris, Trousseau N, Tsaoussi B, Tsapourno N, Tsardana N

Discussion: Tristar

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