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Aleppo

Active

Lactuca sativa L. Lettuce · Vegetables · bred by Rijk Zwaan Zaadteelt en Zaadhandel B.V.

also searched as: алеппо

Variety description

10 August 2026

The plant forms an open rosette of medium size with a weight from 350 to 800 grams. The leaves are finely curled, slightly blistered, of a shiny bright green color, and possess a delicate taste without bitterness.

The variety possesses high resistance to downy mildew, lettuce aphid, and internal necrosis. It shows plasticity to temperature fluctuations and resistance to stem elongation.

The variety is suitable for all-season cultivation: in open field from April to September, in protected cultivation year-round. The recommended planting density is 10–12 plants per 1 m².

Sources7
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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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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
Rijk Zwaan Zaadteelt en Zaadhandel B.V. Developed the variety
Applicant
RZ Agro, Beograd Submitted the application to the register
Rights holder
Rijk Zwaan Zaadteelt en Zaadhandel B.V. Holds the rights to the variety
Maintainer
Rijk Zwaan, HU 23 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

    № 270139

    Registration
    2 February 2009
  • NL Netherlands Active

    № SLA2412/17146

    Application
    27 October 2006
    Registration
    2 February 2009
  • RS Serbia Protection expired

    № 320-04-590a/2011-11

    Application
    27 April 2011
    Registration
    19 January 2012
    Terminated
    17 August 2022
  • GB United Kingdom Active

    № 19/17416

    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.

Netherlands № SLA2412
Active
  1. Application filed 27 October 2006
  2. Registered 4 March 2009
  3. Currently active indefinite in the register

More 2 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: Lettuce

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Lactuca sativa L. · Lettuce

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El Sol

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Nunhems, NL

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12 records

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SYNGENTA SEEDS B.V.

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1 record

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Nearby in the species list Aldea, Aldina, Aldrin, Alecto, Aledo, Alega, Alegress, Aleida, Alenia, ALENYA, Alert, Alès, Alesi, Alessandra, Alessia, Alesso, Aletta, Alexander, Alexandria, Alexinas

Discussion: Aleppo

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