PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Steve Thompson
also searched as: 8х463кл
10 August 2026
The hybrid belongs to the medium-height type and is distinguished by intensive initial growth. The oleic acid content is about 85%, seed oil content is estimated as high. The variety demonstrates good stem strength and high resistance to seed shattering.
The plant possesses resistance to verticillium wilt, phomopsis and rust at the level of 8 points, resistance to white rot of the head and stem is estimated at 6 points. Recommended plant density at harvest is 55–65 thousand plants per hectare under optimal conditions and 45–55 thousand under drought conditions.
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.
№ 11017124
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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Helianthus annuus L. · Sunflower
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Helianthus annuus L. · Sunflower
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Helianthus annuus L. · Sunflower
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Nearby in the species list 8H507CL, 8H524, 8H536DM, 8H540CP, 8H559CL, 8H570CL, 8H581CLDM, 8Kh288KPDM, 8Kh449KLDM, 8Kh449KLPDM, 8Kh540KP, 8Kh581KLDM, 8M EXP1, 8M EXP2, 8N270CLDM, 8n337dm, 8N358cl, 8N358CLDM, 8N358CPDM, 8N421cldm