PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Csikasz Tamas / Walz Ilona / Takacs Laszlo / Meszaros Laszlo
also searched as: ир 32
10 August 2026
This form is classified as a downy mildew resistant line used exclusively for breeding purposes to create hybrids.
There is no information in open publications regarding morphological characteristics, maturity group, or product quality indicators, as this material is not intended for commercial cultivation.
1 jurisdiction
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 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
Csikasz Tamas / Walcz Ilona / Takacs Laszlo / Meszaros Laszlo
Helianthus annuus L. · Sunflower
Csikasz Tamas / Walcz Ilona / Takacs Laszlo / Meszaros Laszlo
Helianthus annuus L. · Sunflower
Csikasz Tamas / Walcz Ilona / Takacs Laszlo / Meszaros Laszlo
Nearby in the species list IOR204DMR, Iota, Ipsilon, IR-110, IR-116, IR 127 DMR, IR-134, IR 135DMR, IR-140, IR-159, IR-33, IR 83 DMR, IR-92, IR 93, IR-96, IR Chudovyi, IR Lehat, IR Polysk, IR Sonet, IR131DMR