P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
10 August 2026
The hybrid belongs to the early-maturing group. The grain is of the flint-dent type, the number of grain rows per ear is 14, with 30–32 grains in each row. The thousand kernel weight is 300–310 g.
For crop development from sowing to flowering, a sum of active temperatures of 875°C is required. To reach the silage maturity stage at 32% dry matter, 1520°C is required, and to reach grain maturity at 35% moisture content, 1680°C is required.
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.
№ 109R278
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Nearby in the species list SY Marengo, SY Margot, SY Marilyn, SY Marimba, SY Marsac, SY Mascat, SY Mascotte, SY Masotti, SY Massytop, SY Mastertop, SY Medwin, SY Mercator, SY Meridio, SY Merlot, SY Miami, SY Mileston, SY Milkytop, SY Millas, SY Miller, SY Minerva