PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
10 August 2026
The hybrid belongs to the single cross hybrid type. The plant reaches medium-tall size. Based on its biological characteristics, the variety is classified as mid-early, demonstrating high adaptability to the climatic conditions of Extremadura and central Spain.
In addition to agricultural use, this hybrid is used as a model object in physiological research. In particular, it is involved in scientific work on the study of nitrate accumulation mechanisms in leaves and the processes of chlorosis development under iron deficiency.
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.
№ 217993
№ 19780065
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Sundares SU, Sundra CL, Sunfero, Sunfire CL, Sunflora CL, Sungold, SUNGRO 2010, SUNGRO 372 A, SUNGRO 378, Sungro 385, Sunil, Sunimax, Sunita, Sunking 256, Sunko, Sunlight, Sunlite, Sunmay, Sunny, Sunny IMI