Table 2.
Photosynthetic pigment content in P. davidiana seedlings
| Treatments (g/L) | Chlorophyll a (mg/g) | Chlorophyll b (mg/g) | Carotenoid (mg/g) | Total chlorophyll (mg/g) | Chlorophyll a/b |
|---|---|---|---|---|---|
| 0 | 2.132 ± 0.052d | 0.628 ± 0.015d | 0.576 ± 0.009c | 2.760 ± 0.066d | 3.393 ± 0.029b |
| 1 | 2.342 ± 0.032b | 0.765 ± 0.012b | 0.628 ± 0.010ab | 3.107 ± 0.025b | 3.061 ± 0.080c |
| 2 | 2.529 ± 0.011a | 0.910 ± 0.026a | 0.640 ± 0.013a | 3.440 ± 0.036a | 2.778 ± 0.068d |
| 4 | 2.345 ± 0.039b | 0.702 ± 0.014c | 0.635 ± 0.020ab | 3.047 ± 0.036b | 3.339 ± 0.101b |
| 6 | 2.275 ± 0.021c | 0.640 ± 0.010d | 0.611 ± 0.016b | 2.915 ± 0.022c | 3.558 ± 0.070a |
Values are means (± SE) of 3 replicate pots. Significant differences (indicated by different lowercase letters) within a column are based on a one-way analysis of variance with least significant difference (LSD) (p < 0.05)