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Exponent

Active

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

also searched as: експонент

Variety description

10 August 2026

The variety forms a voluminous rosette of large, deep-green leaves with a crunchy texture. When the base of the rosette is cut, the head separates into a large number of individual leaves of a size ready for consumption.

The plant is characterized by rapid leaf mass growth and high marketability. The variety is suitable for all-season cultivation in open field and hydroponic systems.

Possesses high resistance (HR) to downy mildew races Bl:16-33, currant-lettuce aphid Nr:0, and lettuce root aphid Pb, as well as intermediate resistance (IR) to lettuce mosaic virus LMV:1. Shows resistance to necrosis and bolting.

Sources5
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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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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
Rijk Zwaan Zaadteelt en Zaadhandel B.V. 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

    № 271595

    Registration
    30 January 2014
  • NL Netherlands Active

    № SLA3243

    Application
    24 January 2013
    Registration
    30 January 2014
  • GB United Kingdom Active

    № 19/12606

    Application
    5 October 2018
    Registration
    30 November 2018

Plant breeders' rights

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

Netherlands № SLA3243
Active
  1. Application filed 24 January 2013
  2. Registered 30 January 2014
  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.

DK ES FR IT
14 records

El Sol

Active

Lactuca sativa L. · Lettuce

Nunhems, NL

NL
12 records

Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

ES
8 records

Explore

Active

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V. (NL)

HR NL
9 records

Expo

Withdrawn

Lactuca sativa L. · Lettuce

NL
1 record

Expresse

Terminated

Lactuca sativa L. · Lettuce

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

CZ HU NL SK
6 records

Nearby in the species list Exotic, Exotine, Exotis, Expand, Expangio, Expedition, Experience, Expertise, Explore, Expo, Expresse, Expression, Exquise, Extase, Extemp, Extender, Extensa, Extol, Extranet, Extratos

Discussion: Exponent

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