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4XASSS4

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai Watermelon · Vegetables · bred by Syngenta Participations AG

also searched as: 4ксассс4

Variety description

10 August 2026

This line is specialized genetic material developed for breeding work. It possesses a tetraploid chromosome set required to produce triploid progeny and is not intended for commercial cultivation as a commodity variety.

Detailed agronomic characteristics, including maturity group or disease resistance, are not publicly disclosed, as the line is the subject of closed breeding programs.

Sources3
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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.

QZ

active no record

Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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
Syngenta Participations AG 2 266 Developed the variety
Applicant
Syngenta Participations AG 2 266 Submitted the application to the register
Rights holder
Syngenta Participations AG 2 266 Holds the rights to the variety
Maintainer
Syngenta Seeds B.V. Responsible for variety maintenance

Plant breeders' rights

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

United States of America № 201000270
Active
  1. Application filed 25 March 2010
  2. Registered 10 December 2010
  3. Currently active indefinite in the register

More 3 records protections in other jurisdictions are shown on the map above.

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

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

Syngenta Seeds B.V.

NL
13 records

SP-6

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

Xingping Zhang, James Brusca.

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SP 4

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

Xingping Zhang, Syngenta Seeds Inc

NL
10 records

186461259

Terminated

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

Nunhems B.V.

2 records

2012

Terminated

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

Known You Seed Co

RO
2 records

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

Syngenta Participations AG

NL
3 records

Nearby in the species list 05, 100718, 1150062 RZ, 17, 185103913, 185146498, 186195593, 186195602, 186461259, 2012, 4XDKFD55G, 50001 WMP, 50002 WMP, 50003 WMP, 50004 WMP, 50005 WMP, 50006 WMP, 50009 WMP, 50017 WMP, 54WA004

Discussion: 4XASSS4

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