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Nagaoka 50 days

Protection expired

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt Napa cabbage · Vegetables · bred by Takii & Co. Ltd., Kyoto 600-91

also searched as: нагаока 50 даис

Variety description

10 August 2026

The variety belongs to the early-maturing group with a vegetation period of about 50 days. In scientific literature, it most often appears as a subject for phytopathological research and the study of crop genetic diversity.

The results of laboratory tests classify this variety as highly susceptible to the clubroot pathogen (Plasmodiophora brassicae). Detailed morphological characteristics of the plant, including head shape or yield indicators, are not provided in open sources.

Sources3
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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.

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
Takii & Co. Ltd., Kyoto 600-91 4 Developed the variety
Applicant
Takii Kyoto, JP Submitted the application to the register
Maintainer
Takii & Co. Ltd., Kyoto 600-91 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.

  • SK Slovak Republic Terminated

    № 907

    Application
    5 January 1970
    Registration
    25 April 1973
    Terminated
    26 March 1998
  • CZ Czechia Protection expired

    № 3370002

    Application
    26 January 1973
    Registration
    10 April 1973
    Terminated
    1 July 1997
  • NO Norway Terminated

    № A457

    Application
    1 January 1995
    Registration
    1 January 1995
    Terminated
    13 August 1997

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: Napa cabbage

All 296 varieties of species

Bilko

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Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

Bejo Zaden, NL

CZ HR LT NL PL
11 records

Yuki

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

SSC JP

CZ HU NL PL UA
10 records

Manoko

Active

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

BEJO ZADEN

CZ LT NL PL
9 records

Muralla Verde

Terminated

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

ES
2 records

Nagaoka 50

Terminated

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

HU NL
2 records

Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage

ES
2 records

Nearby in the species list Mishel, Mishel/Mishel, Misuca, MISUKI F1, Moegi, Monument, Morillo, Morillo Storido, Muralla Verde, Nagaoka 50, Nagaoka 50 Dias, NAGAOKA F1, Nagaoka King, Nagaoka Spring, Nanna, Naron, Natsuki, Nekita, Nemesis, Nemino

Discussion: Nagaoka 50 days

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