PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Remy ROUANET
also searched as: лг50616
10 August 2026
The hybrid belongs to the mid-early group, the average plant height is about 163 cm. The head diameter is about 17–17.3 cm, the thousand kernel weight is 60 g.
The plant possesses genetic resistance to Orobanche races A–G and high tolerance to rust. Resistance to Phomopsis, Phoma, white rot, dry rot, and charcoal rot is also noted. The hybrid is characterized by cold hardiness and high lodging resistance.
Intended for intensive cultivation in areas with intensive crop rotation. The recommended sowing density is up to 55 thousand plants per hectare in areas with sufficient moisture and 45–50 thousand plants per hectare in arid conditions.
4 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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 216263
№ 021074_A 021074
№ 21039062
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 LG50591, LG50593, LG50599 SX, LG50604 CLP, LG50606 CLP, LG50607, LG50609 SX, LG50610, LG50611 CLP, LG50612 CL, LG50617 CLP, LG50619 SX, LG50621, LG50622 CLP, LG50625, LG50626, LG50627 CLP, LG50628 CLP, LG50629 SX, LG50631 CLP