The directory is data combined with guidance on how to use it: agronomy, variety selection, and reading registry records. Errors here cost harvests or deals.
The first full data upload has been completed: 1,213,969 registry entries from 29 jurisdictions have been consolidated into 337,387 variety cards.
ReadIn 2026, plant breeders' rights expire for 1,756 varieties. The largest groups among them are maize, rose, and sugar beet.
ReadA variety may be approved for sale but protected by a breeder's patent. Or vice versa: protection has expired, but the variety is excluded from the catalog. We analyze both regimes and what happens when they are confused.
ReadIs a "7 out of 9" score for Fusarium resistance good or bad? How official variety testing scales work, why they are not comparable across countries, and how to use them when selecting a variety.
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