Jiska

Protection expired

Lactuca sativa L. var. crispa L. Leaf lettuce · Vegetables · bred by Kees Reinink

also searched as: йиска

Variety description

10 August 2026

The variety forms a voluminous rosette with a flat head structure and a closed inner block. The leaves are light green, wavy, tender, and juicy, with a glossy surface.

The plant has high resistance to lettuce downy mildew (races 1–16, 19, 21, 23), lettuce aphid, and internal necrosis. The variety is adaptable, resistant to temperature fluctuations, and does not bolt for a long time.

Intended for cultivation in protected ground and open field from April to August. The produce is suitable for sale on the fresh market and for use in salad mixes, featuring good transportability and shelf life.

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

terminated no record

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

Parties

Breeder: Kees Reinink 298 Developed the variety
Applicant: Rijk Zwaan Welver GmbH 167 Submitted the application to the register
Rights holder: Rijk Zwaan Welver GmbH 167 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.

UA Ukraine Terminated

№ 10291011

Application

8 December 2010

Registration

28 December 2011

Terminated

31 March 2025

Registry	Number	Application	Registration	Terminated	Status
UA Ukraine	10291011	8 December 2010	28 December 2011	31 March 2025	Terminated

Plant breeders' rights

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

Ukraine № 10291011

Protection expired

Application filed 8 December 2010
Registered —
Currently active indefinite in the register

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

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Breeder

Kees Reinink

breeder code 43-94 RZ (43-94 RZ)

All 298 varieties of company

Registry records

Total records: 2
Jurisdictions shown: 1
First registration: 2011

Same species