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N23R

Terminated

Helianthus annuus L. Sunflower · Agricultural · bred by prof.Nina Nenova

also searched as: н23р

Variety description

10 August 2026

The line was derived from experimental hybrid No. 23 via self-pollination, chemical treatment, and selection. It is used as a component for producing new hybrids, including those developed using Clearfield Plus technology.

The line is characterized by good general and specific combining ability. It possesses genetic resistance to broomrape race G and also exhibits moderate resistance to phoma black stem, alternaria leaf spot, and phomopsis.

Sources3
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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
prof.Nina Nenova 2 Developed the variety
Applicant
Dobroudja Agricultural Institute - General Toshevo (BG) 267 Submitted the application to the register
Maintainer
Dobroudja Agricultural Institute - General Toshevo (BG) 267 Responsible for variety maintenance

Admission to trade

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

  • BG Bulgaria Withdrawn

    № 4821/867.2019

    Application
    19 February 2019
    Registration
    17 February 2021

Plant breeders' rights

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

Bulgaria № 1180
Terminated
  1. Application filed 4 April 2022
  2. Registered 18 September 2023
  3. Entry closed 18 September 2048

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 Н00022А, N0106, Н02020А, N0626lf, N0626lg, N102 R, N1034, N20R, N215A, N226 V, N44 R, N4H101CL, N4H134 E, N4h161 Cl, N4H202 E, N4H205 E, N4h276 Cl, N4h302 E, N4h309 E, N4H337 E

Discussion: N23R

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