Table 2.
Phenotypic selection for RTSV resistance at BC1F3 and 3-WCF3
| Cross combinations | No. of lines examined | No. of resistant lines | No. of segregating lines | No. of susceptible lines | No. of lines selecteda |
|---|---|---|---|---|---|
| IR97705 (Hwaseong/MS11)/Japonica1 | 9 | 2 | 5 | 2 | 5 |
| IR97707 (Hwaseong/Japonica1)/MS11 | 7 | 3 | 2 | 2 | 5 |
| IR97708 Hwaseong/Japonica1)/Japonica1 | 64 | 22 | 23 | 19 | 39 |
| IR97709 (Hwaseong/Japonica1)/Jinmi | 71 | 71 | 0 | 0 | 27 |
| IR97711 (Dongjin/MS11)/Japonica1 | 25 | 16 | 9 | 0 | 13 |
| IR97715 (Dongjin/Japonica1)/Jinmi | 53 | 33 | 1 | 19 | 26 |
| IR97717 (Sangju/MS11)/Japonica1b | 18 | – | – | – | 7 |
| IR97719 (Sangju/Japonica1)/MS11 | 26 | 7 | 2 | 17 | 9 |
| IR97720 (Sangju/Japonica1)/Japonica1 | 14 | 5 | 0 | 9 | 5 |
| IR97721 (Sangju/Japonica1)/Jinmi | 55 | 50 | 2 | 3 | 18 |
|
| |||||
| Total | 342 | 209 | 44 | 71 | 154 |
a
Three panicles were harvested from each line selected.
b
Penotyping for RTSV infection was not conducted for IR97717, and the selection was made on the basis of field performance.