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Mesa 659

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Lactuca sativa L. Lettuce · Vegetables · bred by C. Sperling (DE)

also searched as: меса 659

Variety description

10 August 2026

The variety belongs to the Iceberg group, the period from emergence to technical maturity is 80–90 days. The plant forms dense round heads and is distinguished by high uniformity and vigor. The leaves have a dark green color and fringed edges, and are characterized by a crunchy texture without bitterness.

The plant possesses increased resistance to bolting, sunscald, and low temperatures, and is adapted to hot conditions. The variety shows resistance to mosaic virus and leaf tip necrosis. The produce tolerates storage well and is suitable for cultivation in the open field.

Sources8
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Countries of admission

3 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

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
C. Sperling (DE) 14 Developed the variety
Applicant
SEMILLERIA FLORENSA S.A. Submitted the application to the register
Maintainer
ES - ASQROW SEED CO. / IT - X-MAINTAINER / NL - X-MAINTAINER Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

  • IT Italy Terminated

    № 000452_O 000452

    Registration
    20 June 1977
    Terminated
    4 February 1999
  • QZ European Union Active

    № 271989

  • SI Slovenia Protection expired

    № LAC017

    Terminated
    1 January 2005
  • AR Argentina Active

    № 004397

    Application
    11 March 1996
    Registration
    12 May 1997

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

Same species

Other varieties: Lettuce

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Lactuca sativa L. · Lettuce

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Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

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Mesaya

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Lactuca sativa L. · Lettuce

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1 record

Nearby in the species list Merio, Merito, Merkur, Merlin, Merlinas, Merlot, Merva, Merveille, Merveille d'hiver, Merveille des quatre saisons, Mesaya, Mesclita, Meslunet, Messalina, Messapia, Messina, Messita, Mestiza, Metalia, Metamis

Discussion: Mesa 659

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