PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
10 August 2026
The hybrid is characterized by a medium-low plant height, a slightly convex head shape, and a thousand kernel weight in the range of 40–60 g. The oil content in the grain is 44–46%. Early flowering and maturity allow for cultivation in cool regions, for late sowing dates, or as a double crop.
The plant is resistant to downy mildew (RM9 profile) and Orobanche cumana race G. Resistance to head and root neck Sclerotinia is rated at 8 points, to stem Sclerotinia and Phomopsis at 7 points, and to Phoma and Verticillium at 6 points. The lodging resistance index is 7 points, and drought tolerance is 8 points.
The hybrid is intended for commercial grain production and can be used in the production of sustainable aviation fuel. In breeding documentation, it is listed under the working code MDS5423LC.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 304447
№ MDS5423LC
№ 023971_A 023971
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Martha, Marusia, Marvex OL, Marvic, Marvil, Marvin, Maryflor, Marynivs`kyi, MAS 80 D, Mas 80 IR, MAS 804G, MAS 805A, MAS 808 OL, MAS 80B, MAS 80HO, MAS 81 C, MAS 810B, MAS 812HOCP, MAS 815OL, MAS 817P