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Dumka

Active

Lactuca sativa L. Lettuce · Vegetables · bred by WASILEWSKA IRENA

also searched as: думка

Variety description

10 August 2026

The variety forms heads of a whitish-yellow-green color. Leaves are characterized as succulent and crispy. The vegetation period varies from 50 to 70 days, although in some publications the variety is mentioned as early-maturing.

The plant is intended for cultivation in the open field and home gardening. High yield of the variety and its resistance to powdery mildew and a number of other diseases are noted.

Sources6
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Countries of admission

1 jurisdiction

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

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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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
WASILEWSKA IRENA 14 Developed the variety
Applicant
PNOS 79 Submitted the application to the register
Rights holder
OOO'AGRO-BEST' 83 Holds the rights to the variety
Maintainer
PL - Przedsiębiorstwo Nasiennictwa Ogrodniczego i Szkółkarstwa w Ożarowie Mazowieckim Spółka z o.o. 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

    № 271419

    Registration
    23 November 2015
  • BY Belarus Active

    № 2003239

    Application
    26 January 2001
    Registration
    1 January 2004
  • RU Russian Federation Active

    № 40699

    Application
    16 December 2003
    Registration
    3 November 2005

Plant breeders' rights

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

Russian Federation № 41723
Terminated
  1. Application filed 4 November 2004
  2. Registered 12 December 2005
  3. Entry closed 4 December 2009

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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12 records

Lactuca sativa L. · Lettuce

SYNGENTA SEEDS B.V.

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Dulcine

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Rijk Zwaan Zaadteelt en Zaadhandel B.V.

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3 records

Dulcita

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Gautier Semences SAS (FR)

FR
2 records

Duna

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OLTER SRL

IT
4 records

Nearby in the species list Duende, DUERO, Duet, Duka, Dukaat, Dukas, Dulcemia, Dulcibella, Dulcine, Dulcita, Duna, Dunand, Duncan, Dunrobin, Duplex, Duquesa, Duran, Durango, Durga, Durham

Discussion: Dumka

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