Ostrea

Active

Trifolium pratense L. Red clover · Agricultural

also searched as: остреа

Variety description

10 August 2026

The Ostrea variety is a tetraploid (4n) type of clover belonging to the group known as "meadow clover" (Mattenklee). This variety is intended for the establishment of sown meadows and forage production.

The plant is notable for its good persistence, i.e., the ability to remain in the sward for a long time. The variety is characterized as early or early-medium and is valued for the high nutritional value of its yield.

Sources6

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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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

QM QZ

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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

Maintainer: CH - AGROSCOPE ART 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

№ 209196

Registration

6 March 2020
CH Switzerland Active

№ CV 16-00468

Application

11 January 2016

Registration

6 March 2020

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	209196	—	6 March 2020	—	Active
CH Switzerland	CV 16-00468	11 January 2016	6 March 2020	—	Active

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

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