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Tressan

Protection expired

Cichorium endivia L. Endive · Vegetables · bred by Royal Sluis (NL)

also searched as: трессан

Variety description

10 August 2026

The variety is intended for cultivation in greenhouses during the autumn and spring periods. The plant forms fairly large, loose leaf rosettes. The leaf is quite thin, with coloration ranging from green to light green. The variety possesses good heart filling of the rosette.

The plant is distinguished by rapid growth and high yield. The nitrate level in the produce is average, and the percentage of waste is within normal limits. The variety possesses resistance to a number of adverse factors of greenhouse cultivation.

Sources6
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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.

terminated no record

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

Parties

Breeder
Royal Sluis (NL) Developed the variety
Applicant
Royal Sluis B.V. Submitted the application to the register
Rights holder
Royal Sluis B.V. Holds the rights to the variety
Maintainer
NL - Bayer Holland 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 Terminated

    № 261219

    Terminated
    20 January 2004
  • SI Slovenia Protection expired

    № CEL018

    Terminated
    1 January 2005
  • NL Netherlands Terminated

    № AND33/7509

    Application
    26 August 1991
    Terminated
    20 January 2004

Plant breeders' rights

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

Netherlands № AND33
Terminated
  1. Application filed 13 March 1992
  2. Registered 27 January 1994
  3. Entry closed 6 July 1998

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: Endive

All 722 varieties of species

Korbi

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Cichorium endivia L. · Endive

Rijk Zwaan Zaadteelt en Zaadhandel B.V.

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Eros

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Cichorium endivia L. · Endive

Bejo Zaden BV (NL)

HR NL SI
6 records

Trinity

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Cichorium endivia L. · Endive

ISI SEMENTI SPA

IT
1 record

Nearby in the species list Toonie, Topie, Torino, Tosca, Toujours blanche, Traviata, Travis, Trendy, Tres fine maraichere, Très fine maraichère 3, Trinity, Trogirska kopica, Troika, Trudie, Trusty, TT Debora, TT Sabina, Tulsa, Tweety, Twinkle

Discussion: Tressan

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