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Hellen

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Lolium multiflorum Lam. Italian ryegrass · Agricultural · bred by ROBERTO GUARNIERI

also searched as: хеллен

Variety description

10 August 2026

The Hellen variety belongs to the Westerwold subspecies of Italian ryegrass (Lolium multiflorum ssp. westerwoldicum). It is a tetraploid form (4n), which is annual and does not require vernalization to transition to flowering, ensuring rapid development of the crop.

The plant possesses high productivity and is suitable for silage production, hay, and pasture use. The variety is distinguished by good leafiness and high nutritional value. During agronomic research, resistance to rust and Fusarium was recorded.

Sources8
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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

active 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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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
ROBERTO GUARNIERI 31 Developed the variety
Applicant
ROBERTO GUARNIERI 31 Submitted the application to the register
Rights holder
CONTINENTAL SEMENSES LIMITED LIABILITY COMPANY 6 Holds the rights to the variety
Maintainer
Smith Seed Services 34 Responsible for variety maintenance

Admission to trade

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

  • TR Turkey Active

    № Hellen

    Registration
    18 April 2016
  • IT Italy Active

    № 003714_A 003714

    Application
    15 July 1993
    Registration
    6 March 1996
  • GB United Kingdom Active

    № 13/12413

    Application
    26 November 2018
    Registration
    31 December 2018
  • UA Ukraine Active

    № 2025221002

    Application
    19 August 2025
    Registration
    8 December 2025

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

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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

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Nearby in the species list Grazer, Grazer Nova, Green Dragon, Greenacres, Greenlinks, GRL2, GRL3, Guadalen, Hannah, Hector, Hera, Hermano, Hestia, Hornad, Howard, Hunter, IDA, Iduna, Idyl, IGP 2

Discussion: Hellen

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