PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PIONEER OVERSEAS CORPORATION
also searched as: б0423лм
10 August 2026
B0423lm is a proprietary breeding line intended for internal company use. This line acts as a component in the creation of other lines, in particular B0643LM.
There is no information in open registers regarding the morphological traits, disease resistance, or product quality for this line, as it is not a commercial variety for commodity 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
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Revol Benoit
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Oliv"ie Ladsus
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Caussade Semences SA (FR)
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PIONEER OVERSEAS CORPORATION
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PIONEER HI-BRED INTERNATIONAL
Nearby in the species list B-RO-N-029 A, B0306lg, B032, B0344lm, B0345hm, B0349lm, B035, B038, B039, B0392lg, B0503hg, B0504lf, B0504lg, B0524LF, B0524lm, B0529lg, B0531lm, B0632hf, B0632hg, B0641hm