P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
Zea mays L. Maize · Agricultural · bred by Szel Sandor / Fotos Janos / Kalman Laszlo / Buza Lajosne / Ladanyi Miklos / Fejes Laszlone
also searched as: сзегеди 521
10 August 2026
The variety is a simple hybrid (SC hybrid) with a maturity rating of FAO 560. The recommended agrotechnical planting density is 70–75 thousand plants per hectare.
In pathogen resistance studies, the hybrid showed good results in tests for resistance to three types of ear rot; however, under artificial inoculation, it may show increased sensitivity to Fusarium.
2 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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 208433
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
Zea mays L. · Maize
Pioneer Overseas Corporation, USA
Zea mays L. · Maize
PIONEER| Pioneer Hi-Bred Services GmbH
Zea mays L. · Maize
Zea mays L. · Maize
Pinter Zoltan / Balassa Gyoergy / Szel Sandor / Kalman Laszlo / Toldine dr. Toth Eva / Pinter Zoltanne
Zea mays L. · Maize
Nearby in the species list Szegedi 363, Szegedi 364, Szegedi 372, Szegedi 373, Szegedi 386, Szegedi 450, Szegedi 455, Szegedi 462, Szegedi 470, Szegedi 475, Szegedi DC 488, Szegedi SC 271, Szegedi SC 278, Szegedi SC 278/Talbot, Szegedi SC 348, Szegedi SC 352, Szegedi SC 424, Szegedi SC 428, Szegedi SC 463, Szegedi SC 463R