Fig. 6
Physiological change of C. breviculmis in responses to shade treatment. a Chlorophyll content. b Proline content. c Soluble sugar content. d Net photosynthetic rate (Pn). e Intercellular CO2 concentration (Ci). f Transpiration rate (Tr). ∗ and ∗∗, respectively, represent significant differences from the control at values of p < 0.05 and p < 0.01 as determined by Student’s t-test