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Sampson

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Cucurbita maxima Duchesne Giant pumpkin · Vegetables · bred by Ralf Kuijpers

also searched as: сампсон

Variety description

10 August 2026

The hybrid is mid-season; the period from full emergence to fruit ripening is 100–120 days. The plant is vigorous, vining, with a main vine up to 3.5 meters long or more. The leaf is green, medium-sized, and entire.

The fruits are oblate, segmented and smooth, with a weight of 4–7 kg, having light gray skin and rich orange firm flesh with a small seed cavity. The plant forms 2–4 fruits; marketable yield is about 3.6 kg/sq. m.

The variety has intermediate resistance to Zucchini yellow mosaic virus, Watermelon mosaic virus, and Papaya ringspot virus. The fruits are distinguished by excellent transportability and high keeping quality, maintaining marketable qualities for up to 6–12 months.

Sources6
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Countries of admission

3 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
Ralf Kuijpers 35 Developed the variety
Applicant
Enza Zaden Bikhir B.V. 345 Submitted the application to the register
Rights holder
Enza Zaden Bikhir B.V. 345 Holds the rights to the variety
Maintainer
NL - ENZA ZADEN SEED OPERATIONS BV 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

    № 267562

    Registration
    25 February 2016
  • NL Netherlands Active

    № CMA21

    Application
    9 December 2013
    Registration
    25 February 2016
  • RU Russian Federation Active

    № 65429

    Application
    24 November 2014
    Registration
    28 December 2015
  • UA Ukraine Active

    № 15455004

    Application
    2 November 2015

Plant breeders' rights

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

Ukraine № 15455004
Terminated
  1. Application filed 2 November 2015
  2. Registered 12 February 2018
  3. Entry closed 1 November 2018

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

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Cucurbita maxima Duchesne · Giant pumpkin

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Cucurbita maxima Duchesne · Giant pumpkin

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Nearby in the species list Rialto, Rotorua, Rouge très hâtif d'Etampes, Rouge vif D`Etampes, Rouge vif d'Etampes, Rouge vif de Paris, RS 841, Rugby, Rumba, Salonta, SAMSON CRS, SC12000, SC6002, Scarlet, Serocka, Sheepek, Shintoza, Shokichi Green, Shokichi Grey, Shokichi Red

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