PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural
also searched as: иреги сзурке ксикос
10 August 2026
The variety is mid-season, the growing season is 116–118 days. Plant height reaches 150–160 cm. Under production conditions, seed yield is 2.5–3.0 t/ha.
The thousand kernel weight is 62–65 g, the oil content in seeds varies from 32% to 34%, the kernel percentage is 70–75%, and the protein content is in the range of 19–21%.
The variety is characterized by tolerance to major diseases, however, it is susceptible to downy mildew due to the absence of specific resistance genes. Suitable for organic farming at a planting density of 50–65 thousand plants/ha.
3 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.
№ 215976
№ 164737
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list IR169DMR, IR179DMR, IR180DMR, IR181DMR, IR199DMR, IR368DMR, IR79DMR, Irana, Iranapipa, Iregi HNK 173, Irena, Irimi, Irinasol, Iris, Irisol, Irma, Iron, IS 03001, IS-13630, IS-14