Table 2.
Pathogenicity percentage of isolates against second and third larval instars of Tuta absoluta at 1 × 107 spores·ml-1 concentration in 7 days post inoculation and sporulation potential over the cadavers
| Screened isolates | Species | Accession number | 2nd Instar LM ± SE |
3rd Instar LM ± SE |
Spore conc. per cadaver |
|---|---|---|---|---|---|
| AAUB03# | B. bassiana | MT588402 | 94.7 ± 3.08a | 93.3 ± 2.00a | 1.6 × 107 |
| AAUB29# | B. bassiana | MT588415 | 92.0 ± 1.20a | 95.0 ± 3.05a | 1.1 × 107 |
| AAUB28# | B. bassiana | MT588414 | 95.7 ± 2.67a | 95.0 ± 2.12a | 2.1 × 107 |
| AAUB76# | B. bassiana | MT588421 | 88.3 ± 1.09ab | 85.0 ± 3.10ab | 1.5 × 106 |
| AAUB24 | B. bassiana | MT588411 | 81.7 ± 3.62c | 84.0 ± 2.36ab | 8.3 × 106 |
| AAUB05 | B. bassiana | MT588403 | 71.0 ± 2.01de | 75.3 ± 3.76c | 4.6 × 106 |
| AAUB59# | B. bassiana | MT588419 | 85.0 ± 2.50b | 89.0 ± 2.24a | 1.2 × 107 |
| AAUB39# | B. bassiana | MT588416 | 86.7 ± 4.00b | 83.3 ± 3.98b | 1.2 × 107 |
| AAUB46 | B. bassiana | MT588417 | 73.0 ± 2.30d | 71.7 ± 3.61d | 7.3 × 106 |
| AAUB19# | B. bassiana | MT588408 | 94.7 ± 1.08a | 92.0 ± 4.10b | 3.5 × 107 |
| AAUB90# | B. bassiana | MT588422 | 92.0 ± 1.20a | 90.0 ± 3.02ab | 1.2 × 107 |
| AAUB06 | B. bassiana | MT588404 | 65.7 ± 2.67f | 68.3 ± 1.89d | 5.9 × 106 |
Legends: LM, larval mortality; SE, standard error; # reselected isolates for dose determination. The same letters in the columns (a, b, c, d, e, and f) showed the mean values without significant difference at p ≤ 0.05