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Rosaura

Protection expired

Lactuca sativa L. Lettuce · Vegetables

also searched as: росаура

Variety description

10 August 2026

The plant forms a loose rosette of finely curled reddish leaves. The marketable weight of one plant is about 380 g. The variety is characterized by very rapid growth.

Used for fresh consumption, garnishing dishes, and creating salad mixes. Best results are achieved when grown in open field during the spring-autumn season. Resistance to downy mildew has not been tested.

Sources4
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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.

terminated no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Applicant
SEMO a.s. (CZ) 527 Submitted the application to the register
Maintainer
SEMO a.s. (CZ) 527 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 Terminated

    № 273921

    Registration
    29 January 2002
    Terminated
    30 June 2025
  • CZ Czechia Protection expired

    № 5369

    Application
    18 November 1999
    Registration
    29 January 2002
    Terminated
    29 January 2022

Records are sourced from official registry publications. Data sources and legal status

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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

Rosar

Terminated

Lactuca sativa L. · Lettuce

PL
1 record

Rosario

Terminated

Lactuca sativa L. · Lettuce

Graines Gautier SA (FR)

FR
3 records

Roscoe

Terminated

Lactuca sativa L. · Lettuce

Enza Zaden Beheer B.V.

1 record

Nearby in the species list Rosaleda, Rosali, Rosalie, Rosalina, Rosalo, Rosalyn, Rosana, Rosanna, Rosar, Rosario, Roscoe, Rosela, Roselee, Roselita, Rosemarry, Rosemoor, Rosental, Roseole, Roset, Rosetta

Discussion: Rosaura

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