PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PIONEER OVERSEAS CORPORATION
also searched as: п64хх98
10 August 2026
The hybrid belongs to the mid-maturing group, with the period from flowering to maturity taking about 45 days. Plant height is characterized as below average, measuring about 178–179 cm. The produce is distinguished by a high oleic acid content.
The plant possesses tolerance to 5 races of broomrape (A–E) and increased resistance to downy mildew. On a disease resistance scale, the hybrid has a rating of 7 points for phomopsis and head rot form of white mold, and 6 points for stem rot form of white mold.
The recommended plant density at harvest is 55–60 thousand plants per hectare under sufficient moisture and 50–55 thousand plants per hectare in conditions of moisture deficit. It is not recommended to place crops on fields after dicotyledonous predecessors.
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.
№ 217227
№ 014881_A 014881
№ 212R351
№ 12017259
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 1 record protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
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Same species
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PIONEER OVERSEAS CORPORATION
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Nearby in the species list P64hh116, P64HH123, P64hh132, P64HH150 , P64HH167, P64HH197, P64HH404, P64HH70, P64HH83, P64HH86, P64HP630, P64L91, P64LC09, P64lc53, P64le11, P64LE119, P64LE123, P64LE136, P64LE137, P64le14