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Lactuca sativa L. Lettuce · Vegetables · bred by Clause (FR)

also searched as: маико

Variety description

10 August 2026

The variety belongs to the butterhead lettuce type (Laitue beurre) and is characterized by a reddish hue of the leaves. The plant forms very dense heads; the leaves are distinguished by a fleshy texture, crunch, and a light nutty flavor.

The variety is suitable for garden cultivation in the period from February to September. The plant possesses resistance to powdery mildew, lettuce mosaic virus (IR), the aphid Nasonovia ribisnigri (race 0), and downy mildew (Bremia lactucae, races 29–33).

The variety is intended for the fresh produce market and fresh consumption as an individual dish or as part of salad mixes.

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.

QZ

active no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder
Clause (FR) 725 Developed the variety
Applicant
HM Clause SA (FR) Submitted the application to the register
Rights holder
HM Clause SA (FR) Holds the rights to the variety
Maintainer
HM Clause SAS (FR) 1 095 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

    № 272808

  • FR France Active

    № 1026687

    Application
    11 April 2008
    Registration
    1 January 2009

Plant breeders' rights

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

France № 19668
Withdrawn
  1. Application filed 18 April 2008
  2. Registered
  3. Entry closed 25 June 2015

Records are sourced from official registry publications. Data sources and legal status

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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 Magistral, Magistrate, Magneto, Magnifix, Magnisia, Magniski, Magnolia, Mahler, Mahonia, Mai wunder, MAIKÖNIG 'STRIA', MAIKONIG , Maimó, Maira, Maite, Majális, Majesty, Majka, Major, Majska kraljica

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