PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Remy ROUANET
also searched as: лг 50510
10 August 2026
The plant reaches an average height of about 160 cm and forms heads with a diameter of 17.5–18 cm. The thousand kernel weight is on average 68 g, and the oil content reaches 49–50%. The hybrid demonstrates high initial growth vigor and a yield potential of 4.2 to 5.4 t/ha.
The variety possesses high resistance to lodging, cold tolerance, and drought tolerance. It is tolerant to phomopsis, phoma, white rot, charcoal rot, dry rot, as well as downy mildew. It is intended for cultivation using conventional technology in the Forest-Steppe, Polesia, and northern Steppe zones.
5 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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
breeder code LHA267/28 (LG50510)
A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.
The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 292070
№ 018448_A 018448
№ 217R125
№ 17039092
№ 73431
№ 320-04-852/2019-11
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 LG 122 A, LG 123 B, LG 1234 A, LG 1234 IA, LG 125 B, LG 127 A, LG 164 B, LG 50270, LG 50300, LG 50480, LG 50514, LG 50521 CLP, LG 50534, LG 50549 SX, LG 50585, LG 50635 CLP, LG 50662, LG 50689 SX, LG 50797, LG 50797 CLP