| Cultivara | Abbreviation | Field waterlogging tolerance | Hypoxia toleranceb |
| Enrei | ERe | Susceptiblec | Tolerant/Susceptible |
| Koganejiro | KJi | Tolerantd | Enhanced/Tolerant |
| Shoku-kei32 | S32 | Tolerante | Enhanced/Tolerant |
| Suzumaru | SMa | - | - |
| Shirotsurunoko | STs | Susceptibled | Susceptible |
| Toyoharuka | THa | Susceptiblee | Susceptible |
| Toyohomare | THo | Tolerante | Tolerant |
| Tanbakuro | TKu | - | - |
| Toyomusume | TMu | Moderatee | Tolerant |