P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
10 August 2026
The line belongs to the dent corn type. The plant reaches a height of about 246 cm to the tip of the tassel; the ear insertion height is about 85 cm, and the internode length of the upper ear is 11 cm. Plants form a single ear; tillering is absent.
Maturity indicators correspond to average values for the zones: heat units for tassel emergence are 1550, and for silking 1590. The line is used in breeding as a parent of many other lines and as a model genotype for transformation processes.
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 right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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Nearby in the species list Phr62wx, PHRAT, Phrba, Phrca, Phrce, Phrdw, PHRE 1, PHRF-5, Phrho, Phrjb, PHT 57, PHT 77, Pht11, Pht11*Phr61, Pht6v1, PHTA 8, PHTD 5, Phtfe, PHTM 9, Phtm2