Table 4.
Marker-assisted selection for RTSV resistance at BC1F5 and 3-WCF5 using RM336
| Cross combination | No. of lines planteda | Genotypes | No. of lines selected | ||
|---|---|---|---|---|---|
|
| |||||
| Resistant | Heterozygous | Susceptible | |||
| IR97705 (Hwaseong/MS11)/Japonica1 | 6 | 6 | 0 | 0 | 3 |
| IR97707 (Hwaseong/Japonica1)/MS11 | 9 | 9 | 0 | 0 | 6 |
| IR97708 (Hwaseong/Japonica1)/Japonica1 | 24 | 3 | 0 | 21 | 1 |
| IR97709 (Hwaseong/Japonica1)/Jinmi | 42 | 42 | 0 | 0 | 11 |
| IR97711 (Dongjin/MS11)/Japonica1 | 15 | 12 | 2 | 1 | 10 |
| IR97715 (Dongjin/Japonica1)/Jinmi | 18 | 16 | 2 | 0 | 7 |
| IR97717 (Sangju/MS11)/Japonica1 | 9 | 9 | 0 | 0 | 0b |
| IR97719 (Sangju/Japonica1)/MS11 | 9 | 9 | 0 | 0 | 2 |
| IR97720 (Sangju/Japonica1)/Japonica1 | 12 | 12 | 0 | 0 | 7 |
| IR97721 (Sangju/Japonica1)/Jinmi | 36 | 28 | 3 | 5 | 15 |
|
| |||||
| Total | 180 | 146 | 7 | 27 | 42 |
a
Three panicles were harvested from each of the previous 60 BC1F4 and 3-WCF4 lines; therefore 180 BC1F5 and 3-WCF5 lines were planted.
b
No IR97717 lines were selected due to bacterial blight infection.