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Ulmo

Active

Lactuca sativa L. Lettuce · Vegetables · bred by Rijk Zwaan, NL

also searched as: улмо

Variety description

10 August 2026

The variety forms compact heads with smooth, bright green leaves possessing a glossy sheen. The crop is characterized by rapid development and high product uniformity, suitable for fresh market sales.

The plant is intended for planting in the early spring and autumn periods. The variety exhibits high resistance to downy mildew (Bl:16-36EU), currant-lettuce aphid (Nr:0), and Phytophthora (Pb), as well as intermediate resistance to lettuce mosaic virus (LMV:1).

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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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, NL 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 Zaadteelt en Zaadhandel B.V. 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

    № 274655

    Registration
    16 March 2019
  • NL Netherlands Active

    № SLA3931

    Application
    19 October 2017
    Registration
    16 March 2019
  • RS Serbia Active

    № 320-04-8448/2021-11

    Application
    20 September 2021
    Registration
    25 November 2021

Plant breeders' rights

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

Netherlands № SLA3931
Active
  1. Application filed 19 October 2017
  2. Registered 16 March 2019
  3. Currently active indefinite in the register

More 3 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

Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

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8 records

Ukulele

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Syngenta Seeds, NL

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6 records

Ulisse

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3 records

Ultimo

Terminated

Lactuca sativa L. · Lettuce

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1 record

Nearby in the species list Tyrkys, Tyros, Tzigane, UBA, Ubac, Ubeda, Ubriacona frastagliata, UDA, Ukulele, Ulisse, Ultimo, Ultra, ULUWATU, Ulys, Umbrinas, UNBELDI, Unico, Unicum, Uniga, Unikum-AS

Discussion: Ulmo

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