. 2022 Jul 18;13:910714. doi: 10.3389/fpls.2022.910714

TABLE 8.

Effect of different levels of soil applied Cu (0, 30, or 60 mg kg^–1) and/or MEL (30, 60, and 90 μM) on copper content (root and shoot) (μg g^–1 DM), translocation factor (%), BCF (bio-concentration factor), BAC (bioaccumulation coefficient), and removal efficiency (%) of Brassica juncea at 45 DAS.

Treatments	Root Cu content	Shoot Cu content	Translocation factor	BCF	BAC	Removal efficiency (%)
Control	0.57 ± 0.010ⁱ	0.40 ± 0.007^j	0.73 ± 0.064^e	0.20 ± 0.003^f	0.32 ± 0.003^e	17.19 ± 0.86^f
Cu (30 mg kg^–1)	2.35 ± 0.044^g	0.83 ± 0.02^h	0.36 ± 0.035^f	0.28 ± 0.004^d	0.23 ±0.002^f	16.64 ± 0.83^f
Cu 60 mg kg^–1)	3.73 ± 0.070^c	1.35 ± 0.03^g	0.37 ± 0.035^f	0.24 ± 0.003 ^de	0.20 ± 0.002^f	14.36 ± 0.72^g
IAA (10^–10 M)	0.59 ± 0.011^hi	0.64 ± 0.009ⁱ	1.08 ± 0.062^bc	0.27 ±0.004 ^d	0.61 ± 0.003^d	29.09 ± 1.40^de
IAA (10^–8 M)	0.66 ± 0.012^h	0.82 ± 0.010^h	1.23 ± 0.070^a	0.39 ± 0.005^a	0.97 ± 0.005^a	45.06 ± 2.16^a
IAA (10^–6 M)	0.62 ± 0.011^h	0.71 ± 0.011ⁱ	1.15 ± 0.068 ^b	0.32 ± 0.004^c	0.77 ± 0.004^b	36.16 ± 1.74 ^c
Cu (30)+ IAA (10^–10 M)	2.41± 0.042^f	2.64 ± 0.016^f	1.09 ± 0.033^cd	0.32 ± 0.004^c	0.75 ± 0.002^c	35.58 ± 1.71^d
Cu (30)+ IAA (10^–8 M)	2.67 ± 0.036^de	3.10 ±0.016^d	1.16 ± 0.032^b	0.38 ± 0.005^a	0.90 ± 0.002^ab	42.46 ± 2.04^b
Cu (30)+ IAA (10^–6 M)	2.58 ± 0.039^e	2.85 ± 0.017^e	1.10 ± 0.031^b	0.36 ± 0.005^b	0.82 ± 0.002^b	39.06 ± 1.88^c
Cu (60)+ IAA (10^–10 M)	3.87 ± 0.069^c	3.58 ± 0.026^b	0.92 ± 0.034^d	0.26 ± 0.003^de	0.56 ± 0.003^f	27.15 ± 1.30 ^e
Cu (60)+ IAA (10^–8 M)	4.01 ± 0.057^a	4.06 ± 0.020^a	1.01 ± 0.031^c	0.31 ± 0.004^c	0.66 ± 0.004^c	31.73 ± 1.52^d
Cu (60)+ IAA (10^–6 M)	3.92 ± 0.065^b	3.80 ± 0.025^b	0.97 ± 0.032^c	0.29 ± 0.004^d	0.60 ± 0.003^d	29.37 ± 1.41^de

Data shows the mean ± standard error. Same letters indicate that there is no significant difference at P < 0.05.