PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by PIONEER OVERSEAS CORPORATION
also searched as: у0458хг
10 August 2026
The U0458HG breeding line is not a commercial variety or hybrid for mass sowing. It is used exclusively as a parental component for the development of other sunflower lines, for example, F1316HG.
Detailed morphological descriptions of this line are not disclosed, as it belongs to the category of internal breeding developments. When selecting such lines, attention is paid to flowering dates, disease resistance, yield, and oil composition quality indicators in hybrid combinations.
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
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Nearby in the species list U 9612 LM, U 9849 LM, U00p8, U00r8, U00S9LM, U01p6, U0257lg, U02s5, U0353lg, U0458hf, U0572LG, U05sjhm, U06tnlm, U06vbhm, U07stlm, U07tzhm, U07vfbm, U0881bf, U0881bg, U08sclm