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Tetrarock

Active

Lolium perenne L. Perennial ryegrass · Agricultural · bred by DLF Seeds A-S, DK

also searched as: тетрарок

Variety description

10 August 2026

The variety is a tetraploid perennial ryegrass. This characteristic provides the plant with an increased germination rate, intensive growth, and disease resistance compared to diploid varieties.

The plant is used primarily in grass mixtures for sports fields, playgrounds, and public landscaping. The variety possesses high wear resistance and an ability to quickly restore turf density after mechanical damage.

Sources4
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Countries of admission

3 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.

QZ

active application no record

Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.

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

Parties

Breeder
DLF Seeds A/S (DK) 213 Developed the variety
Applicant
DLF Seeds A/S (DK) 213 Submitted the application to the register
Rights holder
DLF Seeds A/S Holds the rights to the variety
Maintainer
NL - DLF SEEDS A/S 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

    № 320314

    Registration
    9 December 2025
  • NL Netherlands Active

    № RGE1994

    Application
    11 January 2022
    Registration
    9 December 2025
  • FR France Application submitted

    № 4075568

    Application
    9 December 2022
  • GB United Kingdom Application submitted

    № 13/3647

    Application
    29 January 2024

Plant breeders' rights

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

European Union № 20251335
Application submitted
  1. Application filed 24 June 2025
  2. Registered
  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?

The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.

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

All 3 714 varieties of species

Bizet 1

Active

Lolium perenne L. · Perennial ryegrass

DLF SEEDS A/S

DK FR NL
11 records

One 50

Active

Lolium perenne L. · Perennial ryegrass

PGG Wrightson Seeds

IT
11 records

Lolium perenne L. · Perennial ryegrass

Steve Reid

FR UA
11 records

Tetraplay

Withdrawn

Lolium perenne L. · Perennial ryegrass

DLF Seeds A-S, DK

FR
1 record

Tetrarise

Application submitted

Lolium perenne L. · Perennial ryegrass

DLF Seeds A-S, DK

FR
1 record

Lolium perenne L. · Perennial ryegrass

DLF Pickseed USA

DE
8 records

Nearby in the species list Tetragreen, Tetral, Tetramagic, Tetramax, Tetramis, Tetramoon, Tetrani, Tetrany, Tetraplay, Tetrarise, Tetrasport, Tetrastar, Tetrasun, Tetrayard, TETRELITE, Texas, Texel 1, TG 17 IS 264, TG002112, TG024240

Discussion: Tetrarock

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