PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Remy ROUANET
also searched as: лг 5633 кл
10 August 2026
The hybrid is mid-early, with a growing season of 106–115 days. The plant is medium-tall, reaching a height of about 155 cm, and possesses high resistance to lodging.
The seeds are characterized by an oil content of 48–50% with a thousand kernel weight of about 72 g. The crop is resistant to Phomopsis, Phoma, white rot of the head and roots, charcoal rot, dry rot, as well as downy mildew.
The hybrid is designed for the Clearfield production system and exhibits genetic resistance to broomrape races A–E. The recommended stand density at harvest is 45–50 thousand plants/ha in zones with insufficient moisture and up to 55 thousand plants/ha in zones with sufficient moisture.
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Variety registered as early as 3 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
breeder code LHA354/12I
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.
№ A15257
№ 216435
№ 48945
№ 2512/160
№ 109R416
№ 09017294
№ B1255
№ 0282618
№ 320-04-569/2011-11
№ 27540
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list LG 56.65, LG 56.65 M, LG 56.67, LG 56.71 CL, LG 56.80, LG 5605, LG 5624 M, LG 5626 HO, LG 5628, LG 5629, LG 5638, LG 5641, LG 5642, LG 5648 CL, LG 5651, LG 5654 CL, LG 5661CL, LG 5662, LG 5668, LG 5669 CL