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OS Maris

Active

Trifolium pratense L. Red clover · Agricultural · bred by Poljoprivredni Institut Osijek, HR

also searched as: ос марис

Variety description

10 August 2026

The variety is intended for use as a fodder crop, as well as for improving soil structure and enriching it with nitrogen.

Under extreme weather conditions, particularly during intense heat, the variety demonstrates adaptive abilities. The plant's stress response includes the activation of guaiacol peroxidase (GPOD) and polyphenol oxidase (PPO) enzymes.

Sources5
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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 QZ

active no record

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

Parties

Breeder
Poljoprivredni institut Osijek (HR) 752 Developed the variety
Applicant
Poljoprivredni institut Osijek (HR) 752 Submitted the application to the register
Maintainer
Poljoprivredni institut Osijek (HR) 752 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

    № 209190

    Registration
    13 January 2020
  • HR Croatia Active

    № 1006783

    Application
    19 September 2016
    Registration
    13 January 2020

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

Oplesky

Active

Trifolium pratense L. · Red clover

Bocharova Maryna Ivanivna, Yakymenko Liubov Petrivna, Miniailo Valentyna Dmytrivna, Sliusar Serhii Mykolaiovych, Koriahin Oleksii Mykhailovych,

UA
2 records

Orkan

Terminated

Trifolium pratense L. · Red clover

ESKUSA GmbH Herrn Dr. Fred Eickmeyer

DE
2 records

OS Viva

Active

Trifolium pratense L. · Red clover

Poljoprivredni Institut Osijek, HR

HR
3 records

Nearby in the species list Nr remy, NS Sana, Nura, Oberhaunst.violettsamiger, Oden, Odenwälder Rotklee, Ola, OLVI ØTOFTE, Oplesky, Orkan, OS Viva, Osiris, Osmia, Ostrea, Ostro, Ostsaat-treu, Ottawa, Ovis, P-A, Pales

Discussion: OS Maris

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