PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Skakunenko, Vladyslava
also searched as: астун
10 August 2026
The hybrid belongs to the mid-early maturity group with a growing season of 108 to 112 days. The potential yield of the crop is 55 c/ha with an oil content in seeds of up to 52%. The plants demonstrate high resistance to soil drought and heat.
The cultivation technology of the hybrid involves the use of the Clearfield system (under Euro-Lightning). The recommended plant density at the time of harvest is 55–65 thousand plants per hectare.
The plant possesses complex resistance to diseases, including Phomopsis, Sclerotinia, Phoma, downy mildew, and new races of downy mildew. The hybrid is also resistant to broomrape races A–H.
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.
№ 20039005
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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Nearby in the species list AST1075, Astarte, Astigi, Astil, Aston, Astor, Astral, Astrasol, Astria CS, Astro, Asturia, Asturiia, AT 0521, AT 0624, AT 0940, AT 0941, AT-1078, AT043, AT046, AT0514