| Symbol | Yr4a |
| Synonym | |
| Name | Reaction to Puccinia striiformis Westend. |
| Local | 6B[1870] |
| Linkage | |
| Origin | |
| Tester | Vilmorin-23,Yamhill(Yr2,Yr3a),Viginta(Yr2,Yr3a),Cappelle-Desprez(Yr3a),Druchamp(Yr3a),Nord-desprez(Yr3a),Top(Yr3a),Maris-Freeman(Yr3a,Yr6),Kinsman(Yr3a,Yr6),Hobbit(Yr3a,Yr14)[1870] |