Donna

Protection expired

Trifolium repens L. White clover · Agricultural · bred by IGER Institute of Grassland & Environmental Research (GB)

also searched as: донна

Variety description

10 August 2026

The variety is intended for forage purposes and is used primarily in mixed sowings with perennial ryegrass for livestock grazing or green mass production. By classification, it belongs to the group of medium-leaved varieties.

The plant possesses resistance or tolerance to stem nematode. The chemical composition of the biomass, including protein and amino acid content, corresponds to standard indicators for varieties of this clover group.

In modern agricultural technologies, the variety is often used as a control or reference sample when conducting scientific trials.

Sources2

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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.

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

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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: IGER Institute of Grassland & Environmental Research (GB) 55 Developed the variety
Applicant: RWA Raiffeisen Ware Austria AG 68 Submitted the application to the register
Maintainer: Plant Breeding Station (GB)/Plant Breeding International Cambridge Ltd (GB) Responsible for variety maintenance

Admission to trade

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

GB United Kingdom Terminated

№ 41/7

Terminated

30 October 2003
IE Ireland Protection expired

№ 87

Registration

17 February 1989

Terminated

24 February 2005
QZ European Union Terminated

№ 209397
FR France Terminated

№ 0055957

Application

10 December 1981

Registration

1 January 1985

Terminated

31 December 2005
DE Germany Active

№ WKL 00066

Application

12 January 1993

Terminated

12 August 1996
DK Denmark Withdrawn

№ 15941

Application

28 January 1993

Terminated

4 January 1996
AT Austria Terminated

№ 672

Application

19 December 1996

Registration

19 December 1996

Terminated

31 January 2005

Registry	Number	Application	Registration	Terminated	Status
GB United Kingdom	41/7	—	—	30 October 2003	Terminated
IE Ireland	87	—	17 February 1989	24 February 2005	Protection expired
QZ European Union	209397	—	—	—	Terminated
FR France	0055957	10 December 1981	1 January 1985	31 December 2005	Terminated
DE Germany	WKL 00066	12 January 1993	—	12 August 1996	Active
DK Denmark	15941	28 January 1993	—	4 January 1996	Withdrawn
AT Austria	672	19 December 1996	19 December 1996	31 January 2005	Terminated

Plant breeders' rights

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

United Kingdom № 41/7

Terminated

Application filed —
Registered —
Entry closed 19 June 2002

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

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Breeder

IGER Institute of Grassland & Environmental Research (GB)

breeder code DONNA

All 55 varieties of company

Registry records

Total records: 10
Jurisdictions shown: 5
Not yet disclosed: 1
First registration: 1985

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