Alden ISK

Terminated

Vitis L. Grapevine · Fruit crops · bred by Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

also searched as: алден иск

Variety description

10 August 2026

The variety is the result of crossing Ontario and Grok Kuhlmann varieties. The bushes are characterized by strong growth, bunches have medium density and a mass from 350 to 400 grams. The berries are black, rounded in shape, with a mass of 4–4.5 grams.

The variety belongs to the table use direction with medium-level transportability indicators. It is often used in breeding as a parent form for developing new varieties, for example, the seedless variety Venus.

Sources4

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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

terminated no record

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

Parties

Breeder: Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka 456 Developed the variety
Applicant: Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka 456 Submitted the application to the register
Maintainer: Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka 456 Responsible for variety maintenance

Admission to trade

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

PL Poland Terminated

№ SR S250

Application

31 January 1991

Registration

8 February 1991

Terminated

31 December 1996

Registry	Number	Application	Registration	Terminated	Status
PL Poland	SR S250	31 January 1991	8 February 1991	31 December 1996	Terminated

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

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Breeder

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

breeder code Alden ISK

All 456 varieties of company

Registry records

Total records: 1
Jurisdictions shown: 1
First registration: 1991

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

IFG Thirty Six

Active

Vitis L. · Grapevine

David W.Cain

7 records

Alcañon

Active

Vitis L. · Grapevine

1 record

Alcoa

Active

Vitis L. · Grapevine

1 record

Aleatico N

Active

Vitis L. · Grapevine

1 record

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