Table 1. Photosynthetic parameters of C. paradoxa.

	Fv’/Fm’dark	Fv/Fm
control	0.457 (±0.021)	0.580 (±0.010)
Nigericin (10 μM)	0.480 (±0.013)	0.595 (±0.008)

(Fv’/Fm’)_dark was calculated as (Fm’_dark–Fo)/Fm’_dark. Values represent the average ± standard deviation with three independent cultures.