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Korok

Active

Lolium perenne L. Perennial ryegrass · Agricultural · bred by DLF Seeds, s.r.o., CZ

also searched as: корок

Variety description

10 August 2026

The variety belongs to the tetraploid group (4n). Compared to diploid forms, it possesses larger and broader leaves, as well as improved winter hardiness indicators.

The plant is used as a forage crop for establishing pastures and hayfields. Due to its tetraploid characteristics, the variety is distinguished by high nutritional value and adaptability to the climatic conditions of the temperate zone.

Sources7
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Countries of admission

4 jurisdictions

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.

QM QZ

active no record

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

Parties

Breeder
DLF Seeds, s.r.o. (CZ) 266 Developed the variety
Applicant
DLF Seeds, s.r.o. (CZ) 266 Submitted the application to the register
Rights holder
DLF Seeds, s.r.o. (CZ) 266 Holds the rights to the variety
Maintainer
DLF Seeds, s.r.o. (CZ) 266 Responsible for variety maintenance

Admission to trade

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

  • QZ European Union Active

    № 204979

    Registration
    19 May 2007
  • CZ Czechia Active

    № 7029

    Application
    20 December 2002
    Registration
    19 May 2007
  • DE Germany Withdrawn

    № WD 01730

    Application
    10 January 2008
    Terminated
    18 April 2012

Plant breeders' rights

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

Czechia № 1477
Active
  1. Application filed 31 December 2002
  2. Registered 26 January 2008
  3. Currently active indefinite in the register

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

Found an error in the record?

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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: Perennial ryegrass

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Bizet 1

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Lolium perenne L. · Perennial ryegrass

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11 records

One 50

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Lolium perenne L. · Perennial ryegrass

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Lolium perenne L. · Perennial ryegrass

Steve Reid

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Korfu

Terminated

Lolium perenne L. · Perennial ryegrass

DE
3 records

Kormoran

Withdrawn

Lolium perenne L. · Perennial ryegrass

FRAUEN| Dr. Martin Frauen in Fa. Norddeutsche Pflanzenzucht Hans-Georg Lembke KG. / GAUE| Inge Gaue

DE
2 records

KORSAR

Withdrawn

Lolium perenne L. · Perennial ryegrass

DK
1 record

Nearby in the species list KLP902, Koala, Kokomo, Kolantal, Komac, Komba, Konari 1, Kopenik, Korfu, Kormoran, KORSAR, Kosta, Kranich, KRIŽEVAČKI, Kubus, Kudoro, Kuduro, Kufuga, Kupol, Kuziba

Discussion: Korok

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