PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Steve Thompson
also searched as: 8н358кпдм
10 August 2026
The hybrid belongs to the mid-early maturity group with a vegetation period from sowing to physiological maturity of 110–115 days; flowering occurs on the 67th day. The plant is characterized by medium height, absence of branching, and a medium-sized head with a semi-vertical position.
The plant has high resistance to Verticillium wilt, rust, and shattering. Resistance to Phomopsis and stem strength are rated as medium; resistance scores for white rot are 7 points for heads and 6 points for the stem.
The hybrid is intended for oilseed production and is adapted for cultivation in various soil and climatic zones using the Clearfield production system with the Euro-Lightning herbicide.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 214592
№ 10017196
№ 014312_A 014312
№ 12014
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
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
Steve Thompson
Helianthus annuus L. · Sunflower
Steve Thompson
Helianthus annuus L. · Sunflower
Steve Thompson
Nearby in the species list 8Kh449KLPDM, 8Kh463KL, 8Kh540KP, 8Kh581KLDM, 8M EXP1, 8M EXP2, 8N270CLDM, 8n337dm, 8N358cl, 8N358CLDM, 8N421cldm, 8n453dm, 8N560CL, 8P EXP11, 8P EXP12, 8P EXP14, 8S461dm, 9, 9 B, 90 C 25 R