PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Pioneer Overseas Cor, USA
also searched as: пр64а29
10 August 2026
The hybrid belongs to the mid-late maturity group. The plant possesses good resistance to drought, heat, and lodging manifested by stalk breakage.
The variety is resistant to white mold (Sclerotinia sclerotiorum), tolerant to downy mildew (Plasmopara helianthi) and phomopsis (Phomopsis helianthi), while being susceptible to broomrape infestation. The oil content in the seeds averages 40.8%.
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 217329
№ 323743
№ 320-04-250/2009-11
№ 1003443
Records are sourced from official registry publications. Data sources and legal status
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Pioneer Hi-Bred International Inc (US)
Helianthus annuus L. · Sunflower
Pioneer Hi-Bred International Inc (US)
Helianthus annuus L. · Sunflower
Pioneer Hi-bred International Inc. (USA)
Nearby in the species list PR64 A70, PR64A03, Pr64a10, PR64A10 ( Synonim: Mikhail ), PR64A12, PR64A13, PR64A14, Pr64a16, PR64A20, PR64A25, PR64A30, Pr64a31, PR64A32, PR64A34, PR64A35, Pr64a36, PR64A44, PR64A52, PR64A58, PR64A62