P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
10 August 2026
The hybrid forms large ears with 16–18 rows of kernels, 32–36 kernels per row. The thousand kernel weight is 340–360 g. The ear is located on the upper part of the stem; there is no ability to form two ears.
The plant possesses high resistance to drought, temperature fluctuations, and a number of pathogens, including Fusarium stalk and ear rot, Helminthosporium leaf blight, common smut, and head smut. The hybrid is suitable for intensive cultivation technologies and use in monoculture.
The recommended plant density at the time of harvest is 65–75 thousand plants/ha under sufficient moisture conditions and 60–65 thousand plants/ha under unstable moisture conditions.
4 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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
breeder code MGM229971
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.
№ A08724
№ 014742_A 014742
№ 14009081
№ 65282
№ 320-04-762/2015-11
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Nearby in the species list MAS 371D, MAS 375WX, MAS 377V, MAS 37C, MAS 37H, MAS 38 D, MAS 387L, MAS 39 T, MAS 39L, MAS 39WX, MAS 40017, MAS 400D, MAS 406T, MAS 409H, MAS 40CR, MAS 41758, MAS 41B, MAS 41WX, MAS 431B, MAS 43CR