PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Pioneer Overseas Corporation US (USA)
also searched as: пр64ф50
10 August 2026
The hybrid belongs to the mid-early maturity group with a growing period from 106 to 128 days. The plant is characterized as tall and has a convex semi-pendant head in which seeds are securely held against shattering.
The plant possesses a strong root system, which provides excellent lodging resistance and drought tolerance. The hybrid exhibits high plasticity and adaptability to various soil and climatic conditions and is suitable for classical cultivation technology.
The variety demonstrates good tolerance to major leaf and head diseases. Genetic resistance to broomrape (Orobanche cumana) covers 5 races (A–E).
10 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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 217360
№ A15192
№ 011640_A 011640
№ 1021770
№ 21036
№ 309509
№ 1905/1
№ 07017020
№ 48884
№ 1003054
№ 0282206
№ 282206
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
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Pioneer Overseas Corporation US (USA)
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PIONEER OVERSEAS CORPORATION
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Sadik
Nearby in the species list PR64A94, PR64A95, PR64A97, PR64B24, PR64E43, Pr64e71, PR64E83, PR64E89, PR64F20, PR64F30, Pr64f66, PR64G10, PR64G20073, PR64G20703, Pr64g46, PR64G53, PR64G60, PR64H01, Pr64h10, PR64H20