PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PHILIPPE JOUVE
also searched as: си констанза
10 August 2026
The hybrid belongs to the mid-late maturity group. The plant possesses resistance to adverse weather factors, including drought and heat, as well as high resistance to lodging.
The variety demonstrates moderate resistance to infection by white rot, Phomopsis, and downy mildew. Tolerance to broomrape is noted. The average oil content in the seeds is 44.9%.
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 217733
№ 1003050
№ 2296/89
№ 08017100
№ 320-04-960/2009-11
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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 SY Casablanca, SY CASPIRA, SY Cassini, SY Celesto, SY Centuri CLP, SY Century CLP, SY Cesario, SY Chelsea CLP, SY Chester, SY Chronos, SY Contact, SY Cooper CLP, SY Corado, SY Corsica AR, SY Dafnis, SY Dali, SY Damasco, SY Dar Vin CLP, SY Darwin CLP, SY Daxton