| Code | Definition | Number of Accessions |
| 0 | None (Canino) | 147 |
| 1 | Trace (Rakowski, California) | 30 |
| 2 | Slight (Veecot, Early Large) | 24 |
| 4 | Mottled (Melitopolska Rana, Holub) | 14 |
| 5 | Intermediate red (Palsteyn, Precoce de Tyrinthe) | 13 |
| 6 | Intermediate red plus (Harcot, Harlayne) | 6 |
| 7 | Mostly red (Bergeron, Harogem, Blenril) | 2 |
| 9 | Full red (Oleg Kojevoi) | 3 |