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Ostro

Active

Trifolium pratense L. Red clover · Agricultural · bred by Oseva Uni a.s., CZ

also searched as: остро

Variety description

10 August 2026

The variety is tetraploid (4n) and belongs to the early or medium-early maturity group. The plant shows high productivity in the production of fresh and dry forage mass, as well as good seed productivity.

The variety is intended for forage purposes and is often included in clover-grass mixtures. In scientific practice, it is used as a control sample when assessing the resistance of clover to Fusarium.

Sources6
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Countries of admission

5 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 QZ

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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

Breeder
OSEVA UNI, a.s. (CZ) 152 Developed the variety
Applicant
RWA Raiffeisen Ware Austria AG 68 Submitted the application to the register
Rights holder
OSEVA UNI, a.s. (CZ) 152 Holds the rights to the variety
Maintainer
OSEVA UNI, a.s. (CZ) 152 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 Active

    № 209197

  • CZ Czechia Active

    № B53

    Application
    20 December 2005
    Registration
    13 August 2010
  • AT Austria Protection expired

    № 26013

    Application
    27 January 2011
    Registration
    18 December 2013
    Terminated
    31 December 2023
  • FR France Application submitted

    № 4068235

    Application
    25 November 2019
  • GB United Kingdom Active

    № 40/25004

    Application
    23 October 2020
    Registration
    19 December 2020

Plant breeders' rights

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

Czechia № 2010
Active
  1. Application filed 17 August 2010
  2. Registered 16 November 2010
  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: Red clover

All 709 varieties of species

Trifolium pratense L. · Red clover

Rijksstation Voor Plantenveredeling (BE)

BE FR
5 records

Trifolium pratense L. · Red clover

Instituto de Investigaciones Agropecuarias

IT
5 records

Mont-Calme

Protection expired

Trifolium pratense L. · Red clover

Sam Badoux Agroscope

FR
6 records

Osmia

Active

Trifolium pratense L. · Red clover

Feldsaaten Freudenberger GmbH & Co. KG., D-47800 Krefeld

DE
6 records

Ostrea

Active

Trifolium pratense L. · Red clover

3 records

Ostsaat-treu

Terminated

Trifolium pratense L. · Red clover

Deutsche Saatveredelung AG - DSV (DE)

FR
1 record

Nearby in the species list Odenwälder Rotklee, Ola, OLVI ØTOFTE, Oplesky, Orkan, OS Maris, OS Viva, Osiris, Osmia, Ostrea, Ostsaat-treu, Ottawa, Ovis, P-A, Pales, Pallas, PALNA, Papillon, Parada, Parka

Discussion: Ostro

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