| Name | N-1840 |
| Accession number | CI-12431 |
| Pedigree | N-1556/N-1563[1322]; |
| Species | TR.AE |
| Bot. variety | erythrospermum[2965] |
| Habit | S |
| Locality | USA:North-Dakota |
| Gene | |
| Synonym | SELECTION-39.9-A-1-11-1[1322]; |
| Status | BL |
| Year | 1945 |
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| Moderate resistance | |
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