PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Syngenta participation AG
also searched as: си сантос
10 August 2026
The classic hybrid SY Santos belongs to the early or mid-early maturity groups with a vegetation period from 100 to 115 days. The plant is characterized by a moderately intensive type of development, high drought tolerance and resistance to six races of Orobanche, as well as to Phomopsis and Sclerotinia. The thousand kernel weight is 58.4 g; the genetic line includes parent forms FS73050 and FR84255.
The hybrid named Santos, intended for Clearfield technology, has a vegetation period of about 105 days. Morphological characteristics include a stem height of about 160 cm and a head diameter of 20–22 cm. The oil content of seeds of this type reaches 52%.
5 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 217800
№ SY SANTOS
№ 15008
№ 017474_A 017474
№ 17039009
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list SY Precosi, SY Provial, SY Revelio, SY Rialto, SY Rigato CLP, SY Rolfi, SY Roseta CLP, SY Salomon CLP, SY Samin, SY Sanbala, SY Sembri, SY Shango, SY Slovan, SY Sonora, SY Spartacus, SY Stabilo, SY Starter, SY Strato CLP, SY Subtil, SY Sultan