PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Limagrain-Advanta Nederland B.V.
also searched as: лг 5550
10 August 2026
The hybrid is a medium-tall plant with a height of 135–140 cm and a head diameter of about 15.5 cm. The thousand kernel weight is about 72 g, oil content in seeds is at the level of 49–50%, and under favorable conditions, the indicator can reach 52%.
The crop possesses resistance to Orobanche cumana races A–G and tolerance to Phomopsis, Phoma, root and head Sclerotinia, charcoal rot, and dry rot, as well as to new races of downy mildew. The plant is characterized by cold hardiness and high resistance to stress conditions and drought.
The recommended plant density at the time of harvest is from 50 to 60 thousand plants per hectare, which is determined by the moisture zone.
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Variety registered as early as 3 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
breeder code M50680
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.
№ 292074
№ A15361
№ 20060303
№ 1941/8
№ 48946
№ 07017093
№ 2010253
№ 0283778
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 LG 55.80, LG 55.86, LG 5518HO, LG 5525, LG 5537 HO, LG 5539, LG 5540, LG 5542 CL, LG 5543 CL, LG 5544, LG 5555 CLP, LG 5557HO, LG 5559, LG 5560, LG 5585, LG 5590, LG 56.08 CL, LG 56.10, LG 56.30, LG 56.32