P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
Zea mays L. Maize · Agricultural · bred by Nikola Brusnyashki
also searched as: кнейа 442
10 August 2026
The Kneja 442 hybrid demonstrates high resistance to common maize diseases, such as helminthosporiosis, common smut, as well as stalk and ear fusariosis.
The plant is used as an object of scientific research to evaluate the influence of agrometeorological conditions and various cytoplasm types, including cytoplasmic male sterility, on productivity and resistance indicators.
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.
№ 1533/61
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 Kneja 332, Kneja 333, Kneja 334, Kneja 335, Kneja 336, Kneja 337, Kneja 419, Kneja 423, Kneja 435, Kneja 441, Kneja 444, Kneja 445, Kneja 446, Kneja 447, Kneja 448, Kneja 449, Kneja 450, Kneja 451, Kneja 453, Kneja 454