PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Sebastien Chatre
also searched as: рт0551
10 August 2026
The subject RT0551 is classified as a parental line used in breeding work. Public information regarding specific agronomic and morphological traits, such as plant height, maturity group, disease resistance, or yield, is absent from open registers as it is confidential information of the originator.
This code is not a commercial variety or hybrid intended for large-scale commercial production, but is used exclusively in breeding 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 variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 09017267
№ 12017284
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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Helianthus annuus L. · Sunflower
RAGT 2N S.A.S
Helianthus annuus L. · Sunflower
Sebastien Chatre
Nearby in the species list RT 922, RT 923, RT 928, RT 933, RT 935, RT 94, RT- 983, RT011, RT0411, RT0412, RT0553, RT0554, RT0655, RT0763, RT0764, RT0765, RT0866, RT0870, RT0871, RT0974