44-22

Active

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

also searched as: 44 22

Variety description

10 August 2026

Variety «44-22», also known as «Дюнан» (Dunand), belongs to the category of "crystal" lettuce. The plant has a very upright growth habit, dark green color, and straight veins.

The leaves of the variety are characterized by a crispy structure. The variety is intended for year-round cultivation in high-tech hydroponic systems. Its MULTI-type morphological structure allows obtaining a ready-to-use leaf rosette with a single cut at the base.

Sources6

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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: Kornelius Reinink 38 Developed the variety
Applicant: RIJK ZWAAN Zaadteelt en Zaadhandel B.V. Submitted the application to the register
Rights holder: RIJK ZWAAN Zaadteelt en Zaadhandel B.V. 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 Active

№ 19120022

Application

17 September 2019

Registration

26 August 2020

Registry	Number	Application	Registration	Terminated	Status
UA Ukraine	19120022	17 September 2019	26 August 2020	—	Active

Plant breeders' rights

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

Ukraine № 19120022

Active

Application filed 17 September 2019
Registered 2 October 2020
Currently active indefinite in the register

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

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Breeder

Kornelius Reinink

breeder code 44-22 RZ

All 38 varieties of company

Registry records

Total records: 2
Jurisdictions shown: 1
First registration: 2020

Same species