P 9578
ActiveZea mays L. · Maize
Pioneer Overseas Cor, USA
Zea mays L. Maize · Agricultural · bred by PIONEER OVERSEAS CORPORATION
also searched as: ф18тн
10 August 2026
The Ph18tn line is not a commercial variety or hybrid for wide cultivation, but rather breeding material intended for internal breeding work.
Public agronomic and morphological characteristics of this line are not disclosed, as they are part of a closed breeding program and are protected by intellectual property rights.
3 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 12004312
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
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
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Nearby in the species list Ph18bs, Ph18ds, Ph18g5, Ph18pf, Ph18r1, Ph18r2, Ph18r4, Ph18rz, Ph18sr, Ph18t0, Ph18wg, Ph18wr, Ph18wy, Ph19d5, Ph19nz2, Ph1a4m1, Ph1a4t1, Ph1a4y2, Ph1ay11, PH1AYD1