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Aggression

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Lolium perenne L. Perennial ryegrass · Agricultural · bred by Barenbrug USA

also searched as: аггрессион

Variety description

10 August 2026

In official registers, the variety is classified as an amenity variety and is not intended for agricultural use as a forage crop.

The selection of the variety focuses on indicators important for turf cover, such as density, color and tolerance to trampling. Detailed data on plant height, maturity dates and disease resistance are absent in the publications.

Sources3
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Countries of admission

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

Parties

Breeder
Barenbrug USA 133 Developed the variety
Applicant
Grassland Farms sp. z o.o. Submitted the application to the register
Rights holder
Barenbrug USA 133 Holds the rights to the variety
Maintainer
PL - BARENBRUG USA 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

    № 203843

    Registration
    11 June 2014
    Terminated
    27 June 2023
  • PL Poland Terminated

    № R R10641

    Application
    15 January 2014
    Registration
    11 June 2014
    Terminated
    27 June 2023

Plant breeders' rights

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

Poland № O R1275
Terminated
  1. Application filed 13 May 2011
  2. Registered 9 June 2014
  3. Entry closed 23 June 2023

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

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Nearby in the species list Admiral, ADV Lp 7133, Advent, Advin, Aerona, Affinity, Affirmed, Agami, Agaska, Agent, Agivey, Agosto, Agreement, Agresso, Agri, Agrikal, Ahoj, Aiken, Aitera, Ajax

Discussion: Aggression

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