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 роки
10 August 2026
The vegetation period of the hybrid is 90–108 days, plant height varies from 140 to 170 cm. Oil content in seeds reaches 48–53%.
The hybrid possesses resistance to broomrape races A–E (sometimes A–G) and high tolerance to phoma, phomopsis, and sclerotinia. It is characterized by yield stability and plasticity regarding sowing dates.
The plant is adapted for cultivation in steppe, forest-steppe regions, and Polissya. The crop is intended for conventional cultivation technology.
6 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
breeder code NX90036
A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.
The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 195108
№ 216955
№ 1011991
№ 03017046
№ 5863
№ 964/12
№ 320-09-1491/2016-11
Records are sourced from official registry publications. Data sources and legal status
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Syngenta Crop Protection AG, CH
Helianthus annuus L. · Sunflower
Syngenta Crop Protection AG, CH
Helianthus annuus L. · Sunflower
Syngenta Crop Protection AG
Nearby in the species list NK Lambada, NK Mehari, NK Meldimi, NK Neoma, NK Octava, NK Okanda, NK Oktava, NK Oleas, NK Olemi, NK Olesol, NK Safari, NK SANDIEGO, NK Simpati, NK Sinfoni, NK Singi, NK Stradi, NK17, NK93, NKAlegro, NKARMONY