PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Institut za ratarstvo i povrtarstvo, Novi Sad
also searched as: нс константин
10 August 2026
The vegetation period is 108–112 days. The plant reaches a height of 160–180 cm, has a stem of medium thickness and 28–30 leaves. The root system is characterized as medium-deep.
The yield potential is up to 55 c/ha with an oil content of 48–50% and a thousand kernel weight of 55–70 g. The husk content of the seeds varies from 20 to 22%.
The hybrid possesses high drought tolerance and plasticity. It is resistant to Phomopsis, Phoma, Alternaria, sunflower moth and European sunflower moth, as well as to five races of broomrape (A, B, C, D, E).
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.
Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 09017307
№ 320-04-644/2010-11
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 NS-Kh-6318, NS-Kh-6320, NS Kh 6348, NS Kh 6585, NS Kh 6612, NS Kh 6720, NS Kiril, NS Knez, NS KOD 10, NS KOD 4, NS KONSTANTIN OR, NS Koperinicus, NS Kruna, NS Leonardo, NS Leonida, NS Leviathan, NS Lord, NS Maestro, NS Novak, NS Ognjen