Table 1.
General information of HLB-tolerant and HLB-sensitive cultivars used in this study.
| Cultivar | Rootstock | Sample code | Ct valuea | Status | HLB sensitivity |
|---|---|---|---|---|---|
| Sugar Belle® mandarin | Sour orange | H/SB-1 | 31.79 | Healthy | Tolerant |
| H/SB-2 | 33.63 | Healthy | Tolerant | ||
| H/SB-3 | 34.41 | Healthy | Tolerant | ||
| I/SB-1 | 20.11 | Infected (HLB) | Tolerant | ||
| I/SB-2 | 20.01 | Infected (HLB) | Tolerant | ||
| I/SB-3 | 20.05 | Infected (HLB) | Tolerant | ||
| ‘Murcott’ mandarin | Sour orange | H/M-1 | 34.16 | Healthy | Sensitive |
| H/M-2 | 35.68 | Healthy | Sensitive | ||
| H/M-3 | 35.15 | Healthy | Sensitive | ||
| I/M-1 | 22.15 | Infected (HLB) | Sensitive | ||
| I/M-2 | 20.22 | Infected (HLB) | Sensitive | ||
| I/M-3 | 18.95 | Infected (HLB) | Sensitive |
a
Ct value < 30 (HLB-positive).