PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
10 August 2026
The hybrid is a plant 160–170 cm in height with a flat, tilted head 20–24 cm in diameter. The period from emergence to flowering is 58–60 days. The thousand kernel weight varies from 65 to 74 g with a hull content of 20–21%. The oil content in the seeds reaches 49–51%. The yield potential is up to 4.5 t/ha.
The plant possesses high resistance to lodging, shattering, and drought. It is genetically resistant to downy mildew and broomrape (races A–F), and displays high tolerance to phomopsis, rust, white mold, and gray mold. The recommended plant density at harvest time depends on the climatic zone and varies from 45 to 60 thousand plants per hectare.
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.
№ 04017065
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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Nearby in the species list Llucius, Lludwig, Lluna, LMN-01 A, LN 02, LN10988, LNZ 01, Loberia, LOBO, Logisol, LOKI, Lolla, Lombok, Lorca, Lord, Lorena, Lorette CL Plus, Lorio, Lorсa Hrano, Lorsol