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Doyen

Terminated

Hordeum vulgare L. Barley · Agricultural · bred by Syngenta UK Ltd

also searched as: доен

Variety description

10 August 2026

The variety belongs to the two-row barley type. The ear has medium density or lax structure, with a shape varying from tapering to parallel. Plants during trials were characterized by medium or short stem length.

The variety was used as a specialized feed barley and demonstrated high digestibility levels for whole-crop silage, as well as high specific weight values. The variety is susceptible to leaf spot caused by Ramularia.

Sources4
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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.

terminated no record

Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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
SYNGENTA UK LTD 731 Developed the variety
Applicant
SYNGENTA UK LTD 731 Submitted the application to the register
Rights holder
Syngenta Seeds Ltd 11 925 Holds the rights to the variety
Maintainer
SYNGENTA UK LTD 731 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 Terminated

    № 221723

    Registration
    13 April 2003
    Terminated
    15 January 2009
  • GB United Kingdom Terminated

    № 2/1865

    Application
    4 December 2000
    Terminated
    31 December 2013
  • FR France Terminated

    № 1007181

    Application
    22 December 2000
    Registration
    1 January 2003
    Terminated
    31 December 2008

Plant breeders' rights

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

United Kingdom № 2/1865
Terminated
  1. Application filed 4 December 2000
  2. Registered
  3. Entry closed 19 February 2006

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: Barley

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ULRICH and JOSEF BREUN

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Lochow-Petkus GmbH (DE)

AT CZ DE DK EE FR +6
25 records

SOL'DO

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Hordeum vulgare L. · Barley

Nordsaat Saatzuchtgesellschaft m.b.H. (DE)

DE EE FR HU IE LT +3
19 records

Douchka

Terminated

Hordeum vulgare L. · Barley

Florimond Desprez Veuve et Fils, FR

DK FR
4 records

Dove

Terminated

Hordeum vulgare L. · Barley

Syngenta UK Ltd

SE
5 records

Draco

Active

Hordeum vulgare L. · Barley

Apsovsementi, I

IT
6 records

Nearby in the species list Doridnyi, Dorina, Dorinka, DORIS, Dorothea, Doroty, Dostoinyi, DOUBLET, Douchka, Dove, Draco, Dragon, Dragoon, Drakkar, Dram, Draught, Dribble, Drop, Druid, Drum

Discussion: Doyen

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