Table 3. SPAD, Fv/Fm and Hunter value of three woody plant influenced by light intensity
Species | Light intensity (μmol · m−2 · s−1) | Chlorophyll fluorescence (Fv/Fm) | SPAD | Hunter value |
Ly | ax | bw |
Ardisia pusilla | 15 | 0.786az | 58.1a | 25.5a | −4.7a | 4.4a |
30 | 0.786a | 56.4a | 26.1a | −5.3a | 4.8a |
60 | 0.762c | 60.4a | 26.4a | −5.2a | 5.0a |
120 | 0.775b | 61.3a | 25.5a | −5.0a | 4.5a |
Significance | ** | ns | ns | ns | ns |
Clusia rosea | 15 | 0.819b | 72.5a | 27.0c | −5.2a | 4.3c |
30 | 0.828ab | 74.2a | 27.5c | −6.8b | 5.2c |
60 | 0.819b | 74.4a | 34.9a | −11.4d | 12.4a |
120 | 0.835a | 59.2b | 32.3b | −10.2c | 10.9b |
Significance | ns | ** | *** | *** | *** |
Fatsia japonica | 15 | 0.801ab | 61.8a | 26.2c | −6.8b | 6.2c |
30 | 0.778b | 63.3a | 25.0c | −4.8a | 4.3d |
60 | 0.804ab | 58.6a | 30.4b | −8.6c | 9.3b |
120 | 0.813a | 63.4a | 43.0a | −13.9d | 18.9a |
Significance | ns | ns | *** | *** | *** |
Means separation within columns by Duncan's multiple range test, p<0.05.
is the value of lightness or darkness of color, 0 (black)~100 (white).
is the value of redness to greeness, -80 (green)~80 (red).
is the value of yellowness to blueness -80 (blue)~80 (yellow).
Nonsignificant or Significant at p=0.05, 0.01, or 0.001, respectively.