Skip to content

Tadeus

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai Watermelon · Vegetables · bred by HM Clause Inc (US)

also searched as: тадеус

Variety description

10 August 2026

The Tadeus F1 hybrid belongs to the Crimson Sweet type and is characterized by a uniform elongated fruit shape. The average weight of one watermelon varies from 8 to 11 kg.

The fruit flesh has a red color and a juicy consistency. The firm rind ensures good shelf life and suitability for transport. The hybrid is intended for full-season cultivation and is oriented towards the fresh market.

Sources4
  • Loading…

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.

application 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
HM Clause Inc (US) 123 Developed the variety
Applicant
HM. CLAUSE ARGENTINA S.A. Submitted the application to the register

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

  • AR Argentina Active

    № 023587

    Application
    1 February 2024
    Registration
    16 October 2024
  • FR France Application submitted

    № 4082405

    Application
    13 October 2025

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

Szigetcsépi 51

Protection expired

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

HU
1 record

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

HR
1 record

Tadjoura

Terminated

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

Vilmorin SA (FR)

FR
2 records

Nearby in the species list Sweetmeat II WR, Sweetwater, SWT0236, SWT6903, Sylla, Sympathy, Symphony, Szigetcsépi, Szigetcsépi 51, SZIGETCSÉPI 51 F1, Tadjoura, Tahiti, Taigas, Takemi, Talesia, Talete, Talisman, Tamara, Tambola, Tamerlan

Discussion: Tadeus

0 messages

Growing experience and notes on the entry. Comments are not part of the reference data and are not verified against primary sources.

Comments are open to signed-in readers. Sign in · Sign up