Table 2. Biomass and chlorophyll of Moso bamboo as affected by copper stress in pots for two months.

Cuconcentration(mg kg−1)	Roots DM(g plant−1)	Stem DM(g plant−1)	Leaves DM(g plant−1)	Chl-a(mg g−1)	Chl-b(mg g−1)	Chl-a + Chl-b(mg g−1)	Chl-a/Chl-b
0	0.83 ± 0.08b	0.36 ± 0.03a	2.20 ± 0.29ab	1.63 ± 0.03ab	0.45 ± 0.03a	2.07 ± 0.06a	3.64 ± 0.15a
50	1.00 ± 0.05a	0.37 ± 0.03a	2.63 ± 0.28a	1.82 ± 0.09a	0.38 ± 0.07a	2.19 ± 0.11a	4.91 ± 0.97a
100	0.77 ± 0.08b	0.33 ± 0.06a	2.13 ± 0.34b	1.54 ± 0.14b	0.43 ± 0.06a	1.97 ± 0.18a	3.56 ± 0.40a
300	0.26 ± 0.04c	0.15 ± 0.03b	0.33 ± 0.03c	0.76 ± 0.16c	0.20 ± 0.04b	0.96 ± 0.19b	3.75 ± 0.38a
600	0.16 ± 0.03c	0.10 ± 0.01b	0.17 ± 0.09c	0.35 ± 0.04d	0.04 ± 0.01c	0.40 ± 0.06c	8.31 ± 1.9b

Data points and error bars represent mean ± S.D. of three replicates (n = 3). Different letters indicate significant difference (P < 0.05).