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4 K 446

Active

Beta vulgaris Sugar Beet Group Sugar beet · Agricultural · bred by Dietrich Hauer, Wolfgang Mechelke,

also searched as: 4 к 446

Variety description

10 August 2026

The 4 K 446 hybrid is characterized by resistance to the CONVISO ONE herbicide, which contains foramsulfuron and thiencarbazone-methyl. The use of this hybrid in combination with the specified crop protection system is permitted in Russia.

There is no data in open sources regarding the maturity group, morphological traits, yield indicators, sugar content levels, or disease resistance. Information concerning the genetic base or the originator of the variety is also not provided.

Sources2
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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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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

breeder code 4K446

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.

  • 4 K 446 primary RU
  • 4K446 UA

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
Dietrich Hauer, Wolfgang Mechelke, 7 Developed the variety
Applicant
KWS SAAT SE & CO.KGAA 6 759 Submitted the application to the register
Rights holder
KWS SAAT SE 2 822 Holds the rights to the variety
Maintainer
KWS SAAT SE & CO.KGAA 6 759 Responsible for variety maintenance

Admission to trade

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

  • RU Russian Federation Active

    № 63299

    Application
    2 December 2013
    Registration
    5 February 2016
  • UA Ukraine Terminated

    № 14069005

    Application
    8 January 2014
    Terminated
    1 September 2020

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

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Nearby in the species list 3R53, 3R56, 3R61, 3R63, 3S43, 3S45, 3S47, 3S51, 3S52, 3T115, 4K20, 4K21, 4K25, 4K443, 4K452, 4K455, 4K461, 4K467, 4K477, 4K496

Discussion: 4 K 446

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