PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Roberto Reid V'iacheslav Baranenko
also searched as: хисун 280
10 August 2026
The hybrid belongs to the moderately intensive type and reaches a height of 150–160 cm. The growing season is 108–115 days. The oil content in the seeds exceeds 47%, and the potential yield reaches 42–43 c/ha.
The plant is resistant to lodging and shedding. The hybrid shows tolerance to downy mildew, brown rust, white and grey mold, verticillium wilt, phoma, and phomopsis.
Cultivation using classical technology is recommended. The optimal plant density before harvest is from 45 to 60 thousand units per hectare depending on regional climatic conditions.
4 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.
breeder code T170831
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.
№ 215882
№ Hysun 280
№ 19039122
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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