P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
Zea mays L. Maize · Agricultural · bred by Pioneer Overseas Corporation/ Pioneer Hi-Bred International Inc., USA
also searched as: п9300
10 August 2026
The hybrid belongs to the Optimum® AQUAmax® line and is classified as mid-maturing or mid-late with an FAO of 330 to 360. Plants are characterized by a large stature or medium height; grain type is dent.
Key features of the variety are high adaptability to moisture deficiency and very rapid grain moisture dry-down during maturation. Resistance to smut diseases is rated 8 out of 9; high tolerance to helminthosporiosis and normal lodging resistance are also noted.
Recommended plant density is 60–70 thousand plants per hectare under arid conditions and 75–80 thousand plants per hectare under favorable moisture conditions. The hybrid is cultivated using conventional technology.
5 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 018483_A 018483
№ 320-04-609/2018-11
№ ZEA1038
№ 18009042
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 2 records protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list P9257, P9261, P92660, P9279, P9282, P92841, P9285, P92919, P9292, P9299, P9308, P9314, P9317, P9319, P9320, P9324, P9345, P9353, P93544, P9361