PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Remy Rouane
also searched as: лг 59580
10 August 2026
The hybrid belongs to the mid-early or mid-season maturity group. The plant reaches a height of 155–170 cm and forms heads with a diameter of 15.8–16.5 cm. The thousand kernel weight is 59.7–73.0 g, and the oil content in the seeds varies from 45% to 50%. The hybrid possesses good resistance to lodging.
The plant is optimized for the ExpressSun technology, which provides resistance to tribenuron-methyl-based herbicides. The hybrid demonstrates high drought tolerance and plasticity, suitable for the Steppe and Forest-Steppe zones. It is distinguished by rapid moisture loss during maturation.
The variety possesses genetic resistance to Orobanche races A–G and tolerance to new races of downy mildew. It is also characterized by resistance to white rot, charcoal rot, dry rot, Phoma leaf spot, and Phomopsis.
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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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 T55001
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.
№ 216501
№ 016032_A 016032
№ 14039073
№ 66254
№ 3865/562.2015
№ 0284170
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 5651, LG 5654 CL, LG 5661CL, LG 5662, LG 5668, LG 5669 CL, LG 5670 M, LG 5675, LG 5680 M, LG 58561 CL, LG 71234 A, LG 71234 IA, LG R06, LG104B, LG109, LG111B, LG113B, LG114IB, LG114MSOA, LG114OLB