| Symbol | Rht-B1d |
| Synonym | Rht1S[3599] |
| Name | Reduced height. GA-insensitive |
| Local | 4B[1860];4BS[1870] |
| Linkage | |
| Origin | T.aestivum:Saitama-27[3599] |
| Tester | T.aestivum:Argelato,Centauro,Chiarano,Etruria,Farnesse,Gallo,Gemini,Lario,Pandas,Produttore,Orlandi,Orso,Salvia,Sprint,Strampelli[3599] |