PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PIONEER OVERSEAS CORPORATION
also searched as: пр64й50
10 August 2026
The hybrid PR64F50 is early-maturing, with a vegetation period of 111–115 days. The plant is characterized as tall.
The variety possesses exceptional resistance to lodging, including root lodging, and excellent drought tolerance. The hybrid is resistant to 5 races (A–E) of broomrape and shows good tolerance to leaf and head diseases.
Intended for conventional cultivation technology, recommended for the Polesia and Forest-Steppe zones.
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.
№ 011664_A 011664
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Pr64h47, Pr64h48, Pr64h52, Pr64h62, PR64H84, PR64H90, PR64H91, PR64J01, Pr64j04, PR64J20, Pr64j80, Pr64k83, PR64L10, Pr64l43, PR64LE17, PR64LE21, PR64M60, PR64X37, PR65A01, PR65A22