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SY Topman

Terminated

Zea mays L. Maize · Agricultural · bred by Beigbeder Jean

also searched as: си топман

Variety description

10 August 2026

The hybrid belongs to the mid-early maturity group and possesses a flint-dent grain type. The plant is characterized by an erectoid leaf arrangement and the ability to retain green color for a long period (Stay Green type). The cob is medium-sized with reliable leaf coverage.

The plant possesses high germination energy and rapid early-stage development. Good resistance to cold, drought, and Ustilago maydis infection is noted, as well as high resistance to lodging. The hybrid demonstrates efficient grain moisture release.

The yield is characterized by a grain output of 83%. The chemical composition is characterized by a starch content of about 74% and protein of about 9%, which allows the crop to be used for obtaining commercial grain or for the production of high-energy feed.

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

Parties

Breeder
Beigbeder Jean 17 Developed the variety
Applicant
TOV «Synhenta» 26 Submitted the application to the register
Rights holder
TOV «Synhenta» 26 Holds the rights to the variety
Maintainer
Syngenta France SAS 1 176 Responsible for variety maintenance

Admission to trade

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

  • UA Ukraine Terminated

    № 08004218

    Application
    28 November 2008
    Terminated
    19 February 2020

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

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Nearby in the species list SY Tarkin, SY Telias, SY Telstar, SY Templar, SY Thorium, SY Timur, SY Tiptop, SY Titanus, SY Tokio, SY Topaze, SY Torino, SY Trex, SY Triade, SY Tribore, SY Trivius, SY Trusteo, SY Tuner, SY Tuscany, SY Ulises, SY Ultimate

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