
Figure 1
Effect of different doses of phenylboronic acid (volume concentration, %) on mycelial growth of pathogen Alternaria alternata on potato dextrose agar after 5 days of incubation at 25 °C
Table 1
Mycelial-growth area of Alternaria alternata after five days of incubation on potato dextrose with different phenylboronic acid volume concentrations (%) at 25 °C
| PBA concentration (%) | 0 | 0.04 | 0.05 | 0.06 | 0.07 | 0.08 | 0.09 | 0.1 | 0.2 | 0.3 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mean of colony area ± SD | 17.7±0.5b | 0.33±0.1a | 0a | 0a | 0a | 0a | 0a | 0a | 0a | 0a |

Figure 2
Effect of different doses of boric acid (volume concentration, %) on mycelial growth of pathogen Alternaria alternata on potato dextrose agar after 5 days of incubation at 25 °C
Table 2
Mycelial-growth area of Alternaria alternata after five days of incubation on potato dextrose agar with different boric acid concentrations at 25 °C
| BA concentration (%) | 0 | 0.04 | 0.05 | 0.06 | 0.07 | 0.08 | 0.09 | 0.1 | 0.2 | 0.3 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mean of colony area ± SD | 17.7±0.5c | 12.9±1.1ab | 11.2±0.7ab | 9.7±0.4a | 11.8±1abc | 12.2±0.5ab | 11.2±1.3ab | 14±0.1bc | 14.9±1abc | 16.2±0.6bc |
| Inhibition (%) | 0 | 27.1 | 36.7 | 45.2 | 33.3 | 31.1 | 36.7 | 20.9 | 15.8 | 8.5 |
