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Laston

Active

Allium porrum L. Leek · Vegetables · bred by NUNHEMS

also searched as: ластон

Variety description

10 August 2026

The plant belongs to the group of late-maturing hybrids intended for harvesting in winter and spring months. It forms dark green leaves and is distinguished by high peeling ability of the produce.

The hybrid possesses resistance to bolting after overwintering and high resistance to thrips damage. It has intermediate resistance to onion rust, Alternaria, bacterial diseases, and Phytophthora.

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.

QZ

active 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
NUNHEMS BV 3 804 Developed the variety
Applicant
NUNHEMS BV 3 804 Submitted the application to the register
Rights holder
Nunhems B.V. Holds the rights to the variety
Maintainer
NUNHEMS BV 3 804 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 Active

    № 294210

    Registration
    23 December 2022
  • NL Netherlands Withdrawn

    № PRE382

    Application
    10 April 2019
    Terminated
    6 July 2020
  • NL Netherlands Terminated

    № PRE381

    Application
    10 April 2019
    Registration
    18 February 2022
    Terminated
    28 February 2023
  • GB United Kingdom Withdrawn

    № 64/59

    Application
    30 September 2019
    Terminated
    7 October 2022
  • GB United Kingdom Active

    № 64/60

    Application
    30 September 2019
    Registration
    30 June 2024
  • NL Netherlands Active

    № PRE399

    Application
    17 July 2020
    Registration
    23 December 2022

Plant breeders' rights

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

Netherlands № PRE382
Withdrawn
  1. Application filed 10 April 2019
  2. Registered
  3. Entry closed 6 July 2020

More 4 records 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?

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: Leek

All 946 varieties of species

Lancelot

Active

Allium porrum L. · Leek

Bejo Zaden BV, NL-1749 ZH Warmenhuizen

CZ HR HU NL PL
11 records

Lincoln

Active

Allium porrum L. · Leek

Bejo Zaden, NL

CY CZ HU NL PL SI
10 records

Allium porrum L. · Leek

Bejo Zaden BV (NL)

BG CZ HR HU PL SI +1
11 records

Lancia

Active

Allium porrum L. · Leek

Bejo Zaden BV (NL)

HR NL
4 records

Latina

Protection expired

Allium porrum L. · Leek

Syngenta Seeds B.V.

CZ PL
2 records

Nearby in the species list Krakatoa, Krypton, Krystina, Kulaures, Lampton, LANC C1, Lancaster, Lancelot, Lancia, Largo de Mézières, Latina, Laura, Lavi, Lawrence, Leblond, LEEK 002025, Lekina, Lena, Leonard, Leonora

Discussion: Laston

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