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Jack of Hearts

Terminated

Citrullus lanatus (Thunb.) Matsum. & Nakai Watermelon · Vegetables · bred by PETOSEED CO

also searched as: йак оф хеарц

Variety description

10 August 2026

The variety is a seedless hybrid with a maturity period of about 85 days. The fruits are oval in shape and have a light green rind with contrasting dark stripes, with a weight ranging from 10 to 20 lbs.

For fruit set, the variety requires a seeded watermelon pollinator planted nearby. The seeds require germination at a temperature of about 32°C. The variety is susceptible to a physiological disorder in the form of internal hollow heart formation, which depends on the mineral nutrition regime.

Sources5
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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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.

Also known as

A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.

  • JACK OF HEARTS primary QZ, ZA
  • JACK OFHEARTS ES

The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.

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

Parties

Breeder
PETOSEED CO.INC. 579 Developed the variety
Applicant
PETOSEED CO.INC. 20 Submitted the application to the register
Rights holder
PETOSEED CO.INC. 20 Holds the rights to the variety
Maintainer
PETOSEED CO.INC. 20 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

    № 262102

    Terminated
    29 October 2004
  • ES Spain Terminated

    № 19880161

    Application
    18 February 1988
    Registration
    24 June 1989
    Terminated
    29 October 2004
  • ZA South Africa Withdrawn

    № 91/2727

    Application
    9 September 1991
    Registration
    18 July 1992
    Terminated
    6 January 2000

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: Watermelon

All 1 774 varieties of species

SP-7

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Syngenta Seeds B.V.

NL
13 records

SP-6

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Xingping Zhang, James Brusca.

NL
13 records

SP 4

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Xingping Zhang, Syngenta Seeds Inc

NL
10 records

Isola

Withdrawn

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

NL
1 record

Ivona

Application submitted

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

NUNZA BV

ES
3 records

Jade

Protection expired

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Seminis Vegetables (NL)

HU IT SI SK
5 records

Nearby in the species list Instinto, Ipanema, Irene, Irina, Iris, Irma, Isa, Isabelle, Isola, Ivona, Jade, JAGUAR, Jamaica, Janeiro, Janosik, Jasmin, Jeddah 2, Jenny, Jersey, Jessica

Discussion: Jack of Hearts

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