PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by VANDERHAVE RESEARCH
also searched as: мегасун
10 August 2026
The hybrid belongs to the mid-early maturity group with a vegetation period of 100–120 days. The plant is medium-tall, reaching 130–135 cm in height. Seeds are large, thousand kernel weight is about 72 g, with oil content reaching 50–52%.
The hybrid possesses high early vigor, drought tolerance, and cold hardiness; it demonstrates plasticity to various soil and climatic conditions. It is resistant to lodging and major diseases, including phomopsis, phoma, white rot, charcoal rot, and dry rot.
Intended for cultivation using classical technology in Steppe and Forest-Steppe zones.
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.
Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 216810
№ Megasun
№ 19960213
№ 0280599
№ 0000/93
Records are sourced from official registry publications. Data sources and legal status
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
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ADVANTA SEEDS B.V.
Nearby in the species list Mediator, Medicis, Medina, MEDIOL, Medioli, Medusa , Mefodiy, Mega, Megaflor, Megasol, MEGASUN ORO, Mehasan, Melba RM, Melboria, MELBOURNE, Melchior, Melic, Meliflor, Melinda, Melissa