PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Petran Alexandru-Viorel
also searched as: долорис су
10 August 2026
The hybrid belongs to the mid-maturing group with a vegetation period of 114–118 days. Plant height is 165–175 cm, the head is semi-pendulous, leaves are of medium size. Characterized by very fast initial growth, high tolerance to heat and drought, and very high lodging resistance.
The plant possesses high resistance to Sclerotinia, grey mold, Phomopsis, downy mildew, and broomrape (races A–G). The hybrid is resistant to tribenuron-methyl-based herbicides, but has no resistance to imazamox. Recommended plant density before harvest is 45–60 thousand plants per hectare.
Oil content in seeds is 47–49%, thousand kernel weight varies from 54 to 58 g. The yield potential of the hybrid is estimated at 4.8–5.2 t/ha.
2 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.
№ 215248
№ SURO19-2 SU
№ 21039011
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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Nearby in the species list Dodge CLP, Dogo, Doina, Dolar, Dolia, Dolico, Dolina HO, Doll - DK 3880, Dollar, Dollina, Dolyns`kyi, Dominator, Domingo ST, Domino, Domisol, Don Jose, Donil, Donskoj krupnoplodnyj, DOP 32 08, DOP 6 08