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NS-H-52

Active

Helianthus annuus L. Sunflower · Agricultural

also searched as: нс х 52

Variety description

10 August 2026

The NS-H-52 hybrid possesses genetic resistance to new aggressive races of downy mildew. At the same time, studies show that this genotype is highly susceptible to broomrape.

In scientific literature, the hybrid is mentioned in works studying autofertility, that is, the ability for self-pollination. This hybrid belongs to earlier developments and appears more often in comparative trials than in modern seed catalogs.

Sources3
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Countries of admission

3 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

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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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 NSH 52

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.

  • NS-H-52 primary QM
  • NS H 52 RU
  • NS H-52 CZ, QZ
  • NSH 52 CZ, QZ, SK

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

Applicant
Institute of Field and Vegetable Crops, RS 21 Submitted the application to the register
Maintainer
Institute of Field and Vegetable Crops, RS 21 Responsible for variety maintenance

Admission to trade

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

  • QZ European Union Terminated

    № 216979

    Registration
    7 May 1992
    Terminated
    10 May 2005
  • QZ European Union Terminated

    № 217027

  • SK Slovak Republic Protection expired

    № 190R009

    Application
    22 February 1990
    Registration
    25 April 1992
    Terminated
    31 December 2022
  • CZ Czechia Protection expired

    № 545

    Application
    23 April 1990
    Registration
    7 May 1992
    Terminated
    8 July 2007
  • RU Russian Federation Active

    № 27549

    Application
    27 January 1993
    Registration
    25 March 1997

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 NS-H-43, NS-H-44, NS-H-45, NS H 4914, NS H 4916, NS H 4918, NS H 4919, NS H 494, NS H 496, NS H 498, NS H 556, NS H 558, NS-H-6042, NS-H-6043, NS-H-6044, NS-H-6045, NS-H-6046, NS H 6054, NS-H-6059, NS H 6206

Discussion: NS-H-52

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