PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
10 August 2026
The plant reaches a height of 150–170 cm, branching is absent. The head is small in size and is half-inclined downward at maturity. The achenes are of medium size, narrowly ovate in shape, and black in color with grey stripes.
The oil content in the seeds ranges from 51% to 55%. The hybrid possesses resistance to nine races of downy mildew and broomrape, and shows low susceptibility to Phomopsis. Suitable for cultivation using Clearfield and Clearfield Plus technology.
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.
№ 306775
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
Kovalov Volodymyr Hryhorovych, Zaitsev Oleksii Borysovych,
Helianthus annuus L. · Sunflower
Sebastian Chatre
Helianthus annuus L. · Sunflower
SES France
Nearby in the species list Sibona, Sibson, Sideral, Sidra, Sienne, Sierra, Sigma, Sigmasol, Siiena, Sikllos CL, Sila, Silena, Silene, SILF2523A, Sillouet, Silva, Silvia, Simcon, Simirasol, Simitli CLP