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Tyrone

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Lolium perenne L. Perennial ryegrass · Agricultural

also searched as: тироне

Variety description

10 August 2026

The variety is intended for pasture establishment and forage production (silage and hay). In agronomic research, the dry matter yield indicators of this variety are often used as a benchmark for the comparative evaluation of other varieties.

In scientific literature, the variety appears in statistical data concerning heading date and spring growth intensity, including plant height and width. The variety is also used in genetic research aimed at improving forage crop productivity traits.

Sources5
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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.

QM

terminated 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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

Applicant
Plant Breeding Int. Cambridge Ltd. 19 Submitted the application to the register
Rights holder
Plant Breeding Int. Cambridge Ltd. 19 Holds the rights to the variety
Maintainer
Plant Breeding International Cambridge 789 Responsible for variety maintenance

Admission to trade

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

  • GB United Kingdom Terminated

    № 13/616

    Terminated
    30 September 2005
  • IE Ireland Protection expired

    № 64

    Registration
    17 February 1989
    Terminated
    31 December 2019
  • QZ European Union Terminated

    № 205887

    Registration
    3 April 2012
    Terminated
    31 December 2019

Plant breeders' rights

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

United Kingdom № 13/616
Terminated
  1. Application filed
  2. Registered
  3. Entry closed 19 July 2005

More 2 records protections in other jurisdictions are shown on the map above.

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

Tyrconnell

Terminated

Lolium perenne L. · Perennial ryegrass

Teagasc

DE
3 records

Tyrella

Protection expired

Lolium perenne L. · Perennial ryegrass

Agri-food and Biosciences Institute (AFBI Belfast)

IE
5 records

Lolium perenne L. · Perennial ryegrass

DEUTSCHE SAATVEREDELUNG AG

1 record

Nearby in the species list Twingo, Twins, Twygem, Twymax, Twyplay, Twystar, Twytop, Tyga, Tyrconnell, Tyrella, Tzetrasport, Ubaldo, Ulmo, Ultra, Umbria, Unico, Universal, Uno, Unoka, URI

Discussion: Tyrone

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