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Megaton

Active

Allium porrum L. Leek · Vegetables · bred by NAPOLEONSWEG 152

also searched as: мегатон

Variety description

10 August 2026

The variety is categorized as a summer type, maturing 90 days after seed sowing or 60 days after transplanting seedlings. The plant is characterized by a powerful upright habit and blue-green foliage. The variety forms long, dense false stems of white color and has flat leaves.

The produce is characterized by high uniformity and ease of cleaning outer leaves. The variety is resistant to premature bolting, not prone to cracking or excessive thickening of the lower part. Suitable for summer and early autumn consumption on the fresh market.

The hybrid possesses intermediate resistance to a number of crop diseases. Requires cultivation on fertile soils with a pH level of 6.2–6.8, tolerates dense planting well.

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
NAPOLEONSWEG 152 167 Developed the variety
Applicant
Nunhems B.V. Submitted the application to the register
Maintainer
NUNHEMS UK LTD 199 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

    № 250905

    Registration
    11 February 2009
  • NL Netherlands Active

    № PRE108/16931

    Application
    24 July 2006
    Registration
    11 February 2009
  • GB United Kingdom Active

    № 64/13416

    Application
    20 November 2018
    Registration
    31 December 2018

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

Maxton

Active

Allium porrum L. · Leek

NUNHEMS

NL
6 records

Medola

Terminated

Allium porrum L. · Leek

NL
1 record

Mendel

Terminated

Allium porrum L. · Leek

NL
2 records

Nearby in the species list Maraton, Margarita, Marina, Marshal, Martine, Matejko, Matisse, Maxim, Maxton, Medola, Mendel, Mercurian, Meridor, Merkur, Merlin, Mézières, Midfield, Milton, Mira, Miracle

Discussion: Megaton

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