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Walha

Active

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

also searched as: валха

Variety description

10 August 2026

The variety belongs to the butterhead lettuce (botersla) type and has an upright growth habit, which facilitates harvesting. It forms large, heavy heads with smooth light green leaves.

The plant is intended for cultivation in protected ground, including heated greenhouses. It possesses high resistance to downy mildew (Bremia lactucae, races 29–36, 38–41EU) and physiological disorders, such as tipburn, glassiness, and leaf blistering.

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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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

    № 274818

    Registration
    16 May 2019
  • NL Netherlands Active

    № SLA3963

    Application
    12 December 2017
    Registration
    16 May 2019
  • RS Serbia Active

    № 320-04-8475/2021-11

    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 № SLA3963
Active
  1. Application filed 12 December 2017
  2. Registered 16 May 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

All 8 226 varieties of species

Lactuca sativa L. · Lettuce

SVS Holland B.V.

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14 records

El Sol

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Lactuca sativa L. · Lettuce

Nunhems, NL

NL
12 records

Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

ES
8 records

Waldo

Terminated

Lactuca sativa L. · Lettuce

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2 records

Wallis

Terminated

Lactuca sativa L. · Lettuce

Clause Semences SA (FR)

FR
2 records

Nearby in the species list Vulsini, Vytalist, Wade, Wageno, Waikiki, Waimea, Walabi, Walabie, Waldmann's Green, Waldo, Wallis, Wallys, Walter, Waltrip, Walwin, WAMBA, Wapitti, Wapke, Warhol, Wasabis

Discussion: Walha

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