The Interactions among the Heavy Metals in Soils and in Weeds and Their Antioxidant Capacity under the Mining Activities in Thai Nguyen Province, Vietnam

Table 2

The average concentration (±SD) of five HMs in plant tissues (root, shoot, and leave) from 4 species, C. parasiticus, D. linearis, P. calomelanos, and P. vittata, and corresponding bioaccumulation factor (BF) and translocation factor (TF).

Plant species	Plant tissue	As			Cd			Cu			Pb			Zn
		Conc.	BF	TF	Conc.	BF	TF	Conc.	BF	TF	Conc.	BF	TF	Conc.	BF	TF
C. parasiticus	Root	1.19 ± 1.77	0.14	—	0.58 ± 0.49	0.29	—	19.7 ± 5.92	0.12	—	4.34 ± 1.48	0.01	—	121 ± 73.6	1.12	—
	Shoot	1.19 ± 0.90	0.21	4.51	0.66 ± 0.30	0.36	18.4	13.1 ± 11.1	0.08	0.88	2.79 ± 1.64	0.01	1.28	28.0 ± 13.0	0.27	1.10
	Leave	1.35 ± 1.58	0.18	4.43	0.77 ± 0.30	0.45	8.37	15.2 ± 8.80	0.09	0.81	5.51 ± 1.95	0.02	0.61	110 ± 50.7	1.10	0.28
D. linearis	Root	122 ± 32.2	50.0	—	0.19 ± 0.09	0.47	—	75.8 ± 53.0	0.47	—	37.3 ± 20.9	0.21	—	35.5 ± 10.8	0.45	—
	Shoot	18.3 ± 14.4	8.03	0.32	0.08 ± 0.05	0.24	7.61	41.1 ± 22.2	0.24	0.38	8.85 ± 4.49	0.05	0.47	22.1 ± 10.7	0.29	0.99
	Leave	33.4 ± 30.5	14.9	0.57	0.32 ± 0.25	0.82	0.44	28.4 ± 14.2	0.17	0.59	15.4 ± 6.22	0.09	0.25	43.7 ± 31.5	0.57	0.59
P. calomelanos	Root	469 ± 69.5	169	—	0.32 ± 0.11	0.97	—	430 ± 75.0	1.37	—	160 ± 68.8	0.78	—	92.3 ± 19.0	1.52	—
	Shoot	227 ± 71.8	102	0.61	0.08 ± 0.03	0.26	0.29	50.1 ± 15.3	0.16	0.12	13.6 ± 10.9	0.07	0.10	24.0 ± 2.26	0.40	0.27
	Leave	630 ± 27.5	229	1.37	0.16 ± 0.05	0.48	0.57	59.0 ± 79.0	0.18	0.17	16.6 ± 4.36	0.08	0.12	49.8 ± 9.26	0.83	0.55
P. vittata	Root	1732 ± 299.1	403	—	0.27 ± 0.26	0.13	—	5.98 ± 1.30	1.06	—	244 ± 60.7	0.88	—	188 ± 30.5	0.35	—
	Shoot	331 ± 75.3	76.2	0.20	0.13 ± 0.06	0.08	0.84	5.09 ± 2.37	0.96	0.84	65.4 ± 18.3	0.19	0.28	54.2 ± 22.2	0.23	0.65
	Leave	438 ± 176	99.5	1.09	0.33 ± 0.28	0.18	1.49	6.13 ± 3.4	1.17	1.03	141 ± 51.5	0.47	0.59	267 ± 125	1.13	3.18