. 2018 May 16;2018:9248123. doi: 10.1155/2018/9248123

Table 1.

Effects of copper (Cu) and chromium (Cr) on chlorophyll (mg g⁻¹ FW) and total soluble protein (TSP) content (mg g⁻¹ FW) in two Brassica napus cultivars under different metal treatments.

Cultivar	Treatment	Chl a	Chl b	Total Chl	Leaf TSP	Root TSP
ZS 758	CK	0.343 ± 0.017^a	0.282 ± 0.015^a	0.625 ± 0.002^a	15.78 ± 0.46^b	6.64 ± 0.47^a
	Cu 200 μM	0.250 ± 0.018^b	0.190 ± 0.020^b	0.441 ± 0.037^b	13.20 ± 0.08^c	4.84 ± 0.04^b
	Cr 200 μM	0.191 ± 0.020^c	0.141 ± 0.011^c	0.332 ± 0.009^c	11.28 ± 0.49^d	3.77 ± 0.46^c
	Cu 200 μM + Cr 200 μM	0.131 ± 0.008^d	0.091 ± 0.006^d	0.221 ± 0.014^d	9.63 ± 0.18^e	3.23 ± 0.21^d

ZD 622	CK	0.337 ± 0.024^a	0.293 ± 0.029^a	0.630 ± 0.052^a	16.65 ± 0.54^a	6.58 ± 0.23^a
	Cu 200 μM	0.206 ± 0.025^c	0.152 ± 0.017^c	0.358 ± 0.042^c	13.02 ± 0.88^c	4.93 ± 0.27^b
	Cr 200 μM	0.150 ± 0.009^d	0.080 ± 0.009^d	0.230 ± 0.018^d	10.47 ± 0.34^d	3.77 ± 0.14^c
	Cu 200 μM + Cr 200 μM	0.081 ± 0.006^e	0.034 ± 0.003^e	0.115 ± 0.009^e	8.35 ± 0.33^f	2.52 ± 0.27^e

Data are the means of three replicates (mean ± SD). Values followed by different letters indicate significant differences followed by Duncan's multiple range test (P < 0.05) for each cultivar at different metal treatments.