PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by SYNGENTA SEEDS AG, CH
also searched as: нк долби
10 August 2026
The hybrid belongs to the classic type for traditional cultivation technology. Plants reach a height of 150–170 cm and demonstrate high initial growth vigor. The thousand kernel weight is about 70–72 g, and the oil content in seeds reaches 50–52%.
The variety possesses high tolerance to Phoma and Phomopsis, moderate resistance to white rot, and is resistant to broomrape races A–E. The hybrid is characterized by plasticity regarding sowing dates and responsiveness to soil fertility. The optimal plant density at harvest time is 45–50 thousand plants per hectare.
8 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Variety registered as early as 3 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 207971
№ 216938
№ 1011989
№ 40932
№ 0281462
№ 04017059
№ 1406/31
№ P8491
№ 1002574
№ 8050
№ 320-09-1492/2016-11
Records are sourced from official registry publications. Data sources and legal status
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Syngenta Crop Protection AG
Helianthus annuus L. · Sunflower
Syngenta Crop Protection AG - Seed Division (CH)
Helianthus annuus L. · Sunflower
Syngenta Crop Protection AG, CH
Nearby in the species list NK Astri Oleic, NK Bonita, NK Brio, NK Califa, NK Camen, NK Countri, NK Dayli, NK Delfi, NK Deriki, NK Dobri, NK Donata, NK Dueta, NK Ermis, NK Ferti, NK Ferti Oleic, NK Fortimi, NK Foxtri, NK Jalisco MR, NK Kondi, NK Kondy