Fig. 3From: Salt tolerance of a wild ecotype of vetiver grass (Vetiveria zizanioides L.) in southern ChinaEffect of 0, 100, 150, 200 mM NaCl for 18 days on A the net photosynthetic rate (P n ), B stomatal conductance (g s ), C intercellular CO2 concentration (C i ), D transpiration rate (E) and E stomatal limitation value (L s ) of wild vetiver grass. Means (±SE n = 4) followed by different letters differ at p < 0.05Back to article page