P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
Zea mays L. Maize · Agricultural · bred by Poljoprivredni Institut Osijek, HR
also searched as: ос 398
10 August 2026
The hybrid belongs to the FAO 390 maturity group and has a universal purpose, including the production of dry grain, silage, and ear corn. The plant has a sturdy, medium-height stalk with low-set, medium-sized cylindrical ears. The grain is of the dent type; the number of grain rows per ear is 16–18. The root system is deep, powerful, and branched.
The variety has high resistance to lodging and stalk breakage, as well as high tolerance to diseases and pests. The plant is characterized by good adaptability to various growing conditions, including arid regions and soils with low fertility indicators. The hybrid features high germination energy, rapid initial growth, and is suitable for early sowing dates. The recommended plant density for grain cultivation is 75 000–79 000 viable seeds per hectare.
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.
Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
breeder code OS 398
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.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 320-04-11/2011-11
№ 12004270
№ 320-04-05408/2023-11
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
Antun Jambrovich
Zea mays L. · Maize
Anthony Jambrovic, Ivan Brkic,
Zea mays L. · Maize
Anthony Jambrovic, Ivan Brkic,
Nearby in the species list Ortaca, Orte, Ortega, Ortensia, Ortensia (C), Ortensia (R), Ortles, Orzhytsia 237 MV, OS 3114, Os 378, Os 430, Os 5717, OS SK 247, OS SK 332, OS SK 382, Osaka, Osano, Oscar, Osiko, Osimo