Table 1. Effect of exogenous Zn on the photosynthetic pigments of P. edulis Sims f. edulis seedlings.

Different lowercase letters in the same column indicate significant differences between treatments (P < 0.05).

Zinc concentration (mg kg−1)	Chl a (mg g−1FW)	Chl b (mg g−1FW)	Chl a+b (mg g−1FW)	Car (mg g−1FW)	Chl a/b
CK	1.48 ± 0.13b	0.53 ± 0.04b	2.01 ± 0.17b	0.35 ± 0.03b	2.80 ± 0.02a
200	2.04 ± 0.09a	0.75 ± 0.03a	2.79 ± 0.12a	0.45 ± 0.02a	2.73 ± 0.01b
400	1.73 ± 0.09ab	0.62 ± 0.03b	2.35 ± 0.13ab	0.35 ± 0.02b	2.78 ± 0.00ab
800	1.73 ± 0.06ab	0.62 ± 0.03b	2.35 ± 0.09ab	0.40 ± 0.01ab	2.81 ± 0.02a