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Long White Koshigaya

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Allium fistulosum L. Welsh onion · Vegetables · bred by Tatsuya Kubota

also searched as: лонг вхите кошигая

Variety description

10 August 2026

The variety forms very long and thick white stems that gradually transition into green tubular leaves. The plant is single-stemmed, does not branch, and does not form dense clumps.

The variety is for universal use, suitable for fresh consumption and thermal processing. Agricultural techniques are similar to leek cultivation; the transplant method is often recommended. The plant is characterized as frost-resistant and suitable for early production.

Sources5
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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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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
Tatsuya Kubota 1 Developed the variety
Applicant
W LEGUTKO 20 Submitted the application to the register
Rights holder
SAKATA VEGETABLES EUROPE S.A.S. Holds the rights to the variety
Maintainer
SAKATA VEGETABLES EUROPE S.A.S. 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 Terminated

    № 250638

    Registration
    21 May 2000
    Terminated
    14 May 2024
  • NL Netherlands Terminated

    № UIF13/11978

    Application
    18 June 1999
    Registration
    21 May 2000
    Terminated
    14 May 2024
  • RU Russian Federation Active

    № 51184

    Application
    28 November 2008
    Registration
    27 December 2010
  • UA Ukraine Terminated

    № 08174004

    Application
    15 December 2008
    Registration
    25 August 2009
    Terminated
    12 September 2025
  • GB United Kingdom Active

    № 162/16719

    Application
    22 January 2019
    Registration
    28 February 2019

Plant breeders' rights

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

Ukraine № 08174004
Terminated
  1. Application filed 15 December 2008
  2. Registered
  3. Entry closed 1 August 2013

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: Welsh onion

All 132 varieties of species

Allium fistulosum L. · Welsh onion

TAKII EUROPE B V

NL
5 records

Emerald Isle

Terminated

Allium fistulosum L. · Welsh onion

SEMINIS VEGETABLE SEEDS, NL

ES UA
4 records

Parade

Active

Allium fistulosum L. · Welsh onion

Her Bimsdeboer

BG HR HU NL SI UA
15 records

Lia

Protection expired

Allium fistulosum L. · Welsh onion

SK
2 records

Nearby in the species list Kimi, Kincho 3, Kishi, Kolos, Kroll, Kyosen, Kyoto Market, Laguna, Lia, Long White Ishikura, Long White Tokyo, Luna, Marjolina, Matrix, Messis, Minaya, Mingli, MKS N 11, MS Sahara, Nandur

Discussion: Long White Koshigaya

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