| Name | S-421 |
| Accession number | |
| Pedigree | AMERIKANSKAYA-3278/HORDEIFORME-432[8]; |
| Species | |
| Bot. variety | |
| Habit | S |
| Locality | RUS:Saratov |
| Gene | |
| Synonym | |
| Status | BL |
| Year | 1933 |
| Note |
| Originator | |
| Recommended for | |
| Years of use | |
| Maturing | |
| Market class | |
| Quality | |
| Resistance | |
| Tolerance | |
| Moderate resistance | |
| Susceptibility | |
| Sensitivity | |
| Insensitivity | |
| Morphology | |
| Comments |