Tyko

Terminated

Brassica rapa L. subsp. campestris (L.) A. R. Clapham Field mustard · Agricultural · bred by Julén, Gösta

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Variety description

10 August 2026

The variety forms yellow-brown seeds. During its period of popularity, it was considered a high-yielding cultivar that set standards for productivity, but it was inferior to some of its contemporary varieties in terms of maturation period.

In agronomic trials, shortcomings in stem strength were noted, which was described as insufficiently resistant to lodging. The variety was classified as “single low,” which indicated a reduced content of undesirable substances in the seed composition.

Sources2

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Countries of admission

1 jurisdiction

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

Parties

Breeder: Julén, Gösta 24 Developed the variety
Applicant: Lantmännen ek för 4 Submitted the application to the register
Maintainer: Lantmännen ek för 4 Responsible for variety maintenance

Admission to trade

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

SE Sweden Terminated

№ AR 280

Application

9 November 1982

Registration

16 December 1982

Registry	Number	Application	Registration	Terminated	Status
SE Sweden	AR 280	9 November 1982	16 December 1982	—	Terminated

Plant breeders' rights

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

Sweden № A 285

Withdrawn

Application filed 5 March 1976
Registered —
Currently active indefinite in the register

More 1 record protections in other jurisdictions are shown on the map above.

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

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Breeder

Julén, Gösta

breeder code Sv 7410105

All 24 varieties of company

Registry records

Total records: 3
Jurisdictions shown: 1
First registration: 1982

Same species