PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Northrup King Semences SA (FR)
also searched as: сункинг 256
10 August 2026
The hybrid is a subject of archival scientific research. In publications, it is referred to as a standard for conducting experiments, particularly when studying resistance to Sclerotinia.
Detailed agronomic and morphological characteristics, such as plant height, yield, or maturity group, are not presented in available sources. The hybrid was also used in laboratory work to study seed viability and germination under various temperature and humidity regimes.
2 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 85/7
№ 0058314
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
AGRI OBTENTIONS / INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE (I.N.R.A.)
Helianthus annuus L. · Sunflower
MAS SEEDS
Helianthus annuus L. · Sunflower
KOIPESOL SEMILLAS, S.A.
Nearby in the species list Sunflora CL, Sungold, SUNGRO 2010, SUNGRO 372 A, SUNGRO 378, Sungro 385, Sungro 393, Sunil, Sunimax, Sunita, Sunko, Sunlight, Sunlite, Sunmay, Sunny, Sunny IMI, Sunnybird, Sunrich, Sunrich Provence, Sunrock 25