Table 2 Average (n = 6) air pollution tolerance index of the studied plant species
S/N | Name of plant species | APTI (Mean ± SD) | Response |
|---|---|---|---|
1 | Cinnamomum camphora | 36.0 ± 5.6 | Tolerant |
2 | Ficus sp. | 16.3 ± 2.3 | Intermediate |
3 | Nerium oleander | 14.6 ± 3.1 | Intermediate |
4 | Thuja sp. | 13.7 ± 1.5 | Intermediate |
5 | Dypsis lutescens | 13.6 ± 1.0 | Intermediate |
6 | Albizia julibrissin | 13.0 ± 1.6 | Intermediate |
7 | Schefflera pueckleri | 11.4 ± 2.1 | Sensitive |
8 | Psidium guajava | 9.5 ± 1.4 | Sensitive |
9 | Ficus benjamina | 6.3 ± 0.7 | Sensitive |