PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PFIZER GENETICS (US)
also searched as: дк 3890
10 August 2026
The hybrid belongs to the oilseed sunflower type. In breeding work, it was used for the identification of fertility restorers, known as R-lines.
In agronomic literature, the variety is mentioned as an object for conducting trials to study the influence of seeding density, integrated nutrition systems, and various cultivation methods on yield.
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.
breeder code EX 3462
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.
№ 0059243
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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GIE Sockalb (FR)
Nearby in the species list DK 3825, DK 3828, Dk 3840, DK 3842, Dk 3848, Dk 3860, DK 3862, DK 3882, DK 3884, DK 3887, DK 3894, DK 3904, DK 4004, DK-49 V, DK 9203, DK 9213, DK 9401, DK G 101, DK G103, Dk s 37