Table 1.

Effects of Pn, Gs, Ci and Fv/Fm of C. humilis under WD for 0, 6, 12, and 24 d

Treatment time (d)	Pn		Gs		Ci		Fv/Fm
	(μmol CO2 · m-2 · s-1)		(μmol H2O2 · m-2 · s-1))		(μmol CO2 · m-2 · s-1)
	Control	WD	Control	WD	Control	WD	Control	WD
0	22.3 ± 0.4a	21.6 ± 0.6a	187 ± 22a	192 ± 23a	352 ± 7a	338 ± 26a	0.838 ± 0.03a	0.829 ± 0.013a
6	21.9 ± 0.4a	18.6 ± 0.8b	199 ± 11a	177 ± 16a	345 ± 9a	321 ± 12ab	0.837 ± 0.05a	0.796 ± 0.018ab
12	22.6 ± 0.7a	15.3 ± 0.9c	189 ± 12a	116 ± 9c	342 ± 12a	311 ± 21bc	0.830 ± 0.06a	0.774 ± 0.017b
24	20.8 ± 1.1a	13.6 ± 0.1d	187 ± 33a	86 ± 11d	354 ± 14a	288 ± 17c	0.822 ± 0.06a	0.716 ± 0.022c

Each value is the mean ± SE of five independent experiments. The different small letters indicate significant difference (p<0.05) under WD