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Kajsa

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Brassica napus L. Rapeseed · Agricultural · bred by WIEBULL AB

also searched as: кайса

Variety description

10 August 2026

The Kajsa variety was actively cultivated in Sweden and Finland in the second half of the 20th century. In modern breeding, it is known as source material: it was used in the development of the Karin and Starlight varieties.

In scientific literature, the variety is mentioned in the context of trials from the late 1980s to the early 1990s. In studies on the protection of oilseed rape against clubroot, the Kajsa variety appears as a control or reference sample. At the present time, the variety is considered obsolete and has been withdrawn from commercial production.

Sources4
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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.

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
WIEBULL AB 1 Developed the variety
Applicant
WEIBULL AB 7 Submitted the application to the register
Rights holder
W. WEIBULL AB 53 Holds the rights to the variety
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.

  • AR Argentina Active

    № 002443

    Application
    18 April 1991
    Registration
    30 December 1991

Plant breeders' rights

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

Sweden № A 887
Terminated
  1. Application filed 14 April 1987
  2. Registered 10 May 1988
  3. Entry closed 15 December 1994

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

Found an error in the record?

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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

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Nearby in the species list Judy, Julia, Julius, Jumbo, Juno, Jupiter, Jura, Justine, Kabriolet, Kadrilj, Kalice, Kalina, Kalla, Kameniar, Kandidat, Kanion, Kapitan, Kapti CS, Karat, Karenine

Discussion: Kajsa

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