PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural
also searched as: украинскии ф1
10 August 2026
The hybrid belongs to the early-maturing group with a vegetation period of 105–108 days. The plant reaches a height of 170–180 cm, has a rapid growth rate during initial stages of development, and a semi-tilted head with a diameter of 22–24 cm.
The oil content of the seeds is 49–51% with a husk content of 20–23%. The variety is characterized by high resistance to lodging, shattering, drought, and a complex of diseases, including rust, powdery mildew, Phomopsis, Phoma, and rots. It possesses resistance to broomrape (races A, B, C, D) and the sunflower moth.
The recommended sowing density is 60–65 thousand plants/ha for the Forest-Steppe and 55–60 thousand plants/ha for the Steppe.
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.
№ 97017018
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list U1157lg, U1188IMLM, U1255sulf, U12ktsubm, U1467subf, U52072, U9786QM, U9959lg, UHO 100., UK58, Ul`trasol, Ulan 75, ULISES, Ullys, Ultrasol, Ultrasun 100, Umbriasol, UN 1100 KhA, UN 1103 RKhA, UN 111 RKhA