PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Steve Thompson
also searched as: 8н453дм
10 August 2026
The hybrid is known by the full name Mycogen 8N453DM. There is no publicly available data on its specific morphological characteristics, such as plant height or disease resistance.
In agronomic reports, the hybrid is mentioned as an object of field trials with a specific seeding rate of 43 200 seeds per hectare. It is intended for commercial production within the framework of commercial programs.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 08017062
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
Steve Thompson
Helianthus annuus L. · Sunflower
Steve Thompson
Helianthus annuus L. · Sunflower
DOW AgroSciences
Nearby in the species list 8Kh540KP, 8Kh581KLDM, 8M EXP1, 8M EXP2, 8N270CLDM, 8n337dm, 8N358cl, 8N358CLDM, 8N358CPDM, 8N421cldm, 8N560CL, 8P EXP11, 8P EXP12, 8P EXP14, 8S461dm, 9, 9 B, 90 C 25 R, 90000016, 90000064