PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
10 August 2026
The hybrid belongs to the mid-early maturity group, with a vegetation period of about 112 days. The plant is characterized by a short height; the head has a slightly convex shape and a tilted position. It is distinguished by high initial growth vigor and high resistance to lodging.
The plant possesses genetic resistance to broomrape races A–G, as well as high resistance to Phomopsis, stem and head Sclerotinia. The hybrid is plastic and demonstrates productivity under various moisture conditions.
The recommended plant density at the time of harvest is 50–55 thousand plants per hectare in conditions of insufficient moisture and 60–65 thousand plants per hectare with sufficient 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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 15039044
№ 017825_A 017825
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list MDS6826LP, MDS6925HC, Medallon, Meddia CS, Medea, Mediator, Medicis, Medina, MEDIOL, Medioli, Mefodiy, Mega, Megaflor, Megasol, Megasun, MEGASUN ORO, Mehasan, Melba RM, Melboria, MELBOURNE