Table 2 Ratios between pigments in different leaf positions (means ± SE). Different letters (a, b and c) behind the data indicate significant (P < 0.05) differences between leaf positions
Leaf position | Chlorophyll a/b | Chlorophyll/carotenoid | Chlorophyll/anthocyanin | Carotenoid/Anthocyanin |
|---|---|---|---|---|
Upper stem | 1.57 ± 0.66a | 6.62 ± 2.97a | 4.64 ± 0.58c | 0.94 ± 0.27b |
Lower stem | 3.08 ± 1.23a | 6.18 ± 1.70a | 81.91 ± 1.82b | 15.65 ± 4.48a |
Control branch | 3.02 ± 0.17a | 6.23 ± 0.18a | 162.12 ± 18.92a | 26.25 ± 3.71a |