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Level of diseased citrus plants based on CLas titer.
| S. No | Symptoms level | CT value | CLas pathogen copies/gram |
|---|---|---|---|
| 1 | Healthy | >32 | 100–101 |
| 2 | Asymptomatic | 25–32 | 104 |
| 3 | Symptomatic | <25 | 106 |
CLas = Candidatus Liberibacter asiaticus; CT = Cycle threshold. Pathogen copies/gram were calculated based on the standard curve of recombinant plasmid pUC18–382-HLB generated through qPCR.
