Table 4. PM1 concentration at three different levels of light intensity for 90 minutes
Time (Min.) | Dieffenbachia amoena | Spathiphyllum spp. | Significance |
Light intensity (µmol․m−2․s−1) | Light intensity (µmol․m−2․s−1) |
0 | 30 | 60 | 0 | 30 | 60 |
0 | 100.0az | 100.0a | 100.0a | 100.0a | 100.0a | 100.0a | ns |
10 | 98.2a | 95.8b | 96.9ab | 98.7a | 97.8ab | 96.0b | ns |
20 | 91.4a | 86.1bc | 84.8c | 89.9ab | 87.0abc | 81.9c | * |
30 | 82.5a | 71.8bc | 71.1bc | 76.7ab | 74.0bc | 65.1c | *** |
40 | 71.8a | 57.6bc | 56.3bc | 61.8b | 61.0b | 48.2c | *** |
50 | 60.2a | 43.3bc | 43.0bc | 48.2b | 47.1b | 34.1c | *** |
60 | 50.0a | 31.8b | 32.0b | 36.8b | 36.3b | 22.5c | *** |
70 | 41.2a | 23.0bc | 23.0bc | 26.3b | 26.4b | 14.8c | *** |
80 | 32.8a | 15.7bc | 15.3bc | 18.8b | 18.8b | 8.8c | *** |
90 | 26.2a | 10.6bc | 10.5bc | 13.2b | 13.5b | 5.2c | *** |
Means separation within rows by Duncan's multiple range test, p<0.05.
Nonsignificant or significant at p=0.05, 0.01, or 0.001, respectively.