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OR-28A

Terminated

Zea mays L. Maize · Agricultural · bred by Chepolkina Tetiana Fedorivna

also searched as: ор 28а

Variety description

10 August 2026

The hybrid belongs to the mid-early maturity group with an FAO rating of 260–270. The plant has high growth and a semi-erect leaf type. The grain type varies from flint-dent to dent.

The crop demonstrates high resistance to lodging, increased resistance to diseases, and good drought tolerance. The primary purpose of the hybrid is grain and silage production.

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

Also known as

breeder code OR-28A

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.

  • OR-28A primary UA
  • OR28A 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

Admission to trade

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

  • UA Ukraine Terminated

    № 21909012

    Application
    14 January 2021
    Registration
    31 December 2022
    Terminated
    28 January 2026

Plant breeders' rights

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

Ukraine № 21909012
Terminated
  1. Application filed 14 January 2021
  2. Registered 8 October 2024
  3. Entry closed 12 September 2025

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 Optiks, Optima, Optimer, Optimis, Optymum, Opus, Opytop, Oq 414, OQ 603, OR-26A, OR-32A, Oracio, Oracio (R), Oracle, Oran, Orange, Orangis, Oranje, Orava, Orazio VSM

Discussion: OR-28A

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