PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Remy ROUANET
also searched as: лг 5661кл
10 August 2026
The hybrid belongs to the mid-ripening maturity group with a growing season of 116–125 days. The plant is medium-tall, reaching a height of about 157 cm, with a head diameter of 16 cm. Seed oil content is in the range of 48–49%, thousand kernel weight is about 73 g.
The plant possesses genetic resistance to 7 races of broomrape (A–G), Phomopsis, Phoma, various types of rot, and new races of downy mildew. The hybrid is characterized by high lodging resistance, drought tolerance, and plasticity to climatic conditions.
The hybrid is intended for the production of commercial grain and is adapted for use in the Clearfield system and SUNEO technology. It is suitable for intensive cultivation technologies with a recommended plant density at harvest from 50 to 60 thousand plants/ha, depending on the moisture availability of the region.
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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 LHA1451/11J
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.
№ 216461
№ 011621_A 011621
№ 212R186
№ 12017186
№ 3493/417.2013
№ 0283295
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
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Helianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. · Sunflower
Revol Benoit
Helianthus annuus L. · Sunflower
Oliv"ie Ladsus
Helianthus annuus L. · Sunflower
Mais Angevin (FR)
Helianthus annuus L. · Sunflower
LIMAGRAIN VERNEUIL HOLDING S.A.
Helianthus annuus L. · Sunflower
Remy ROUANET
Nearby in the species list LG 5626 HO, LG 5628, LG 5629, LG 5633 CL, LG 5638, LG 5641, LG 5642, LG 5648 CL, LG 5651, LG 5654 CL, LG 5662, LG 5668, LG 5669 CL, LG 5670 M, LG 5675, LG 5680 M, LG 58561 CL, LG 59580, LG 71234 A, LG 71234 IA