PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Steve Thompson
also searched as: 8х350дм
10 August 2026
The hybrid belongs to the oilseed type and possesses high yield potential. During field trials, oil content in the seeds was recorded at a level of about 46.6%.
A key feature of the hybrid is comprehensive resistance to all known races of downy mildew relevant to U.S. conditions at the time of the variety's release.
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 variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 07017030
Records are sourced from official registry publications. Data sources and legal status
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Same species
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Steve Thompson
Helianthus annuus L. · Sunflower
Steve Thompson
Helianthus annuus L. · Sunflower
DOW AgroSciences
Nearby in the species list 89510010, 899104, 8C410CL, 8C451cp, 8C455CL, 8H270cldm, 8H288cldm, 8H288CPDM, 8h288dm, 8H341cldm, 8H358CL, 8H412cpdm, 8H449cldm, 8H457CPDM, 8H463CL, 8H467dm, 8H507CL, 8H524, 8H536DM, 8H540CP