P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
Zea mays L. Maize · Agricultural · bred by Czajczynski Jozef s. Czeslawa, Cygert Henryk s. Jana, Adamczyk Jozef s. Jozefa,
also searched as: с644233
10 August 2026
S644233 is registered in official registries as a parental component of Zea mays. It is used in breeding work to create new hybrid forms.
Data on maturity group, plant height, resistance to diseases, lodging, or qualitative characteristics of the product for this breeding component are not provided in open sources.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 13909165
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Records are sourced from official registry publications. Data sources and legal status
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
Same species
Zea mays L. · Maize
Pioneer Overseas Cor, USA
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Pioneer Overseas Corporation, USA
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PIONEER| Pioneer Hi-Bred Services GmbH
Zea mays L. · Maize
Czajczynski Jozef s. Czeslawa, Cygert Henryk s. Jana, Adamczyk Jozef s. Jozefa,
Zea mays L. · Maize
Czajczynski Jozef s. Czeslawa, Cygert Henryk s. Jana, Adamczyk Jozef s. Jozefa,
Zea mays L. · Maize
Adamczyk Jozef s. Jozefa, Czajczynski Jozef s. Czeslawa, Cygert Henryk s. Jana,
Nearby in the species list S401, S41324A2, S42-10, S4211, S56125A, S63648, S63648 S56125A, S64411, S644232, S644232 S64411, S644233 S64411, S8751, S8761, SA 0163, Sa 2608, SA 33 M, SA 8363, SA0000, SA0007, SA0018