Variety selection, agrotechnics, and working with registry data. We explore what only this database can reveal: differences in maturity groups across zones, the logic behind variety trial scales, and the boundary between variety release and plant breeders' rights.
A 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.
ReadPlant breeders' rights have expired for 17,815 varieties, and for another 1,756 they will expire in 2026. This does not mean you can do whatever you want with them.
ReadIn registries, Cyrillic spellings are derived from low-quality machine transliteration. We use them as a search key, never as a variety name. Here is why this matters.
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