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Duke

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Lolium perenne L. Perennial ryegrass · Agricultural · bred by BARENBRUG NEW ZEALAND LTD.

also searched as: дуке

Variety description

10 August 2026

The variety is used as a forage crop. In terms of maturity, it belongs to the early or medium group. It is distinguished by an increased starch content in the produce.

Morphologically, the variety is a fine and densely tillering plant. It forms a dense sward, and irrigation is preferred under growing conditions.

Sources2
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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.

Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
BARENBRUG NEW ZEALAND LIMITED 55 Developed the variety
Applicant
Columbia Seeds LLC (US) 55 Submitted the application to the register
Rights holder
BARENBRUG NEW ZEALAND LIMITED 55 Holds the rights to the variety
Maintainer
Columbia Seeds LLC (US) 55 Responsible for variety maintenance

Admission to trade

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

  • CZ Czechia Active

    № P9228

    Application
    25 November 2008
    Terminated
    11 May 2013

Plant breeders' rights

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

New Zealand № RYG131
Active
  1. Application filed 30 January 2015
  2. Registered 16 March 2017
  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

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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

PGG Wrightson Seeds

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11 records

Lolium perenne L. · Perennial ryegrass

Steve Reid

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DSVLp 124401

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Lolium perenne L. · Perennial ryegrass

DEUTSCHE SAATVEREDELUNG AG

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1 record

DSVLp 130382

Application submitted

Lolium perenne L. · Perennial ryegrass

DEUTSCHE SAATVEREDELUNG AG

NL
1 record

Dulceal

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Lolium perenne L. · Perennial ryegrass

RAGT 2n, FR

FR PL
3 records

Nearby in the species list Dragon, Dressano, Drift, Drive, Dromara, Drop, Dropper, Drumbo, DSVLp 124401, DSVLp 130382, Dulceal, Dulong 1, Duncan, Duncannon, Dundrod, Dundrum, Dunloy, Dunluce, Dunvel, Duparc

Discussion: Duke

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Growing experience and notes on the entry. Comments are not part of the reference data and are not verified against primary sources.

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