PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PIONEER OVERSEAS CORPORATION
also searched as: пр 64 а 15
10 August 2026
The hybrid belongs to the mid-early maturity group and is distinguished by a very high oil content in the seeds. It possesses tolerance to specific crop diseases and to broomrape (races A–E), and shows good plasticity in various climatic conditions.
The recommended plant density at the time of harvesting is 55–65 thousand plants per hectare in zones with sufficient moisture and 50–55 thousand plants per hectare in zones with insufficient moisture.
3 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.
Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
breeder code xf4546
A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.
The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 217327
№ 011018_A 011018
№ 06017027
№ 46604
№ 1002771
№ 281814
№ 0281814
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
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Same species
Helianthus annuus L. · Sunflower
Soper, John
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Pioneer Hi-Bred International Inc (US)
Helianthus annuus L. · Sunflower
Helianthus annuus L. · Sunflower
Pioneer Hi-bred International Inc. (USA)
Nearby in the species list PP 05, PR 56, PR 62 A 91, PR 63 A 86, PR 63 A 90, PR 63 G 40, PR 63 G 50, PR 63 K 83, PR 6338, PR 63A51, PR 64 A 63, PR 64 A 89, PR 64 G 20, PR 64 H45, PR 64A83, PR 64G43, PR 64H51, PR 64H61, PR 64K20, PR 98-27RN