PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Joel Meunier
also searched as: серелиа
10 August 2026
The hybrid belongs to the mid-early maturity group with a growing season of 105–110 days. The plant is characterized as tall, possesses a moderately intensive type of adaptability, and is suitable for cultivation in steppe and forest-steppe conditions, demonstrating good drought tolerance.
The variety possesses tolerance to Phoma, Phomopsis, Sclerotinia head rot, and downy mildew. It is resistant to broomrape races A–G, including tolerance to race G. The oil content of the seeds is 50–54%; the hybrid also has high grain test weight indicators.
The optimal plant population density before harvest is from 35 to 60 thousand per hectare, depending on the moisture level of the region.
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.
№ 16039112
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Sempione, SEMU-9224-A, SEMU-9239-B, SEMU-9316-A, SEMU-94-B, SEMU 98 B, Sena, Senador, Séneca, Sentasol, Serena, Serenasol, Sergil, Sergio ST, Seriano, Serin, Serpanok, SERVA, Serzhan, Sesame CLP