PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Parii Myroslav Fedorovych, Parii IAroslav Fedorovych, Deian Iovanovich,
also searched as: сх 2321
10 August 2026
Hybrid SKh 2321 belongs to the mid-early maturity group. For oilseed use, the oil content in seeds is 50–55%, and the average yield reaches 34 c/ha with a potential of up to 55 c/ha. The plant is intended for cultivation in steppe and forest-steppe conditions.
The variety possesses genetic resistance to Orobanche cumana race F, as well as resistance to stem and head diseases. It is characterized by high adaptability to stress weather factors and tolerance to tribenuron-methyl-based herbicides.
2 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.
№ 17039205
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Skh 17 A, SKh 1816, SKh 2014, Skh 2111 A, Skh 2111 A kh Kh 1002 B, Skh 2122 A, SKh 2154, SKh 2212, SKh 2264, SKh 2314, SKh 2365, SKh 2563, Skh 4021 A, SKh 4211, SKh 4343, SKh 4478, Skh 503 A, SKh 5055, Skh 51 A, SKh 5220