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SY Karthoun

Active

Zea mays L. Maize · Agricultural · bred by Syngenta Crop Protection AG

also searched as: си картоун

Variety description

10 August 2026

The hybrid is a simple linear form with flint-like grain and maturity indicators of approximately S 210 / K 200. The plant is characterized by a large habitus and high tolerance to Ustilago maydis, stalk rot, and Fusarium.

The produce of the variety features high dry matter and energy yields, good starch content, and high digestibility. The hybrid is distinguished by reliable early maturity, low grain moisture content, and good tolerance to sulfonylurea herbicides.

For cultivation, a plant density of 8.5–9.5 plants per m² is recommended. The variety is suitable for growing in various soil and climatic conditions, including elevated or late-maturing locations.

Sources1
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Countries of admission

4 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.

QM

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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
Syngenta Crop Protection AG 10 404 Developed the variety
Applicant
SYNGENTA UK Ltd 731 Submitted the application to the register
Maintainer
SYNGENTA UK Ltd 731 Responsible for variety maintenance

Admission to trade

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

  • LU Luxembourg Active

    № NLI-SY Karthoun-ZEAAA_MAY

    Registration
    12 June 2017
  • SI Slovenia Active

    № ZEA897

    Application
    4 March 2013
    Registration
    25 August 2015
  • SK Slovak Republic Withdrawn

    № 214R343

    Application
    7 February 2014
    Terminated
    5 March 2015
  • GB United Kingdom Active

    № 51/10361

    Application
    3 August 2018
    Registration
    30 September 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

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Nearby in the species list SY Invictus, SY Iridium, SY Itaka, SY Izoar, SY Janero, SY Jastis, SY Jovita, SY Jullen, SY Karavella, SY Kardona, SY Kastil, SY Keiler, SY Kreon, SY Krypto, SY Kursor, SY Lavaredo, SY Lazuli, SY Leopoldo, SY Libella, SY Liberty

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