PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PIONEER OVERSEAS CORPORATION
also searched as: е0205лг
10 August 2026
The maintainer line is used by breeders as a component for creating new sunflower hybrids. It is mentioned in documentation as one of the parental forms in the creation of other lines.
Public information regarding morphological traits, disease resistance, or product quality for this line is unavailable, as such characteristics are described for commercial hybrids, not for intermediate breeding lines.
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 right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 1 record 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
Same species
Helianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. · Sunflower
Revol Benoit
Helianthus annuus L. · Sunflower
Oliv"ie Ladsus
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Helianthus annuus L. · Sunflower
Sadik El Sayed
Helianthus annuus L. · Sunflower
RUSTICA SEMENCES
Nearby in the species list E 9730 LM, E'D 269, E'D 73, E'D 788, E'NDURO, E'ST 73, E'VEREST, E0012lf, E0012lg, E0205lf, E35206R, E41258, E78077, E78079, E86426, E87229, E87421KLDM, EA008160, EA013160, Eagle