PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Pacific Seeds Pty Ltd
also searched as: хисун 33
10 August 2026
The hybrid belongs to the linoleic type, with a yield of approximately 2.9 t/ha. The seeds are black with gray stripes and have a thin hull, which facilitates processing. The plant is characterized by moderate height, lodging resistance, and a semi-pendulous head shape.
The variety possesses drought tolerance and high adaptability to various soil types. Medium resistance to Alternaria blight and Sclerotinia, and high resistance to white rust have been noted, while the hybrid may show susceptibility to downy mildew.
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.
Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
breeder code HYSUN 33
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.
№ 001001_A 001001
№ 215891
№ 19840213
№ 1000643
№ 93/3140
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Hysun 298, Hysun 301 IT, Hysun 302 IT, Hysun 308, Hysun 310 SU, Hysun 318 IT, Hysun 32, Hysun 321, Hysun 321 PR, HYSUN 322 IT HO, Hysun 34, Hysun 351, Hysun 354, HYSUN 360, HYSUN 371, HYSUN 4143, Hysun 426 HO, Hysun 44, Hysun 45, HYSUN 5951