Difference between Pb and Cd Accumulation in 19 Elite Maize Inbred Lines and Application Prospects

Table 3

Accumulation coefficient and translocation coefficient of inbred lines.

Variety number	Cd-stressed		Pb-stressed		Pb-contrast
	Accumulation coefficient	Translocation coefficient	Accumulation coefficient	Translocation coefficient	Accumulation coefficient	Translocation coefficient
1	0.28	0.05	0.00	0.00	0.00	0.00
2	2.05	0.71	0.15	0.54	0.77	6.54
3	0.83	0.53	0.02	0.13	0.09	∞
4	1.54	1.07	0.01	0.06	0.00	0.00
5	1.70	0.68	0.05	0.37	0.22	2.33
6	0.00	0.00	0.09	1.30	0.13	2.03
7	0.59	0.30	0.17	0.60	0.88	∞
8	0.85	0.21	0.13	1.15	0.00	0.00
9	0.40	0.12	0.13	0.48	0.61	9.96
10	0.89	0.47	0.17	0.58	0.34	∞
11	0.00	0.00	0.10	0.39	0.79	∞
12	0.75	1.04	0.10	0.71	0.52	2.84
13	1.14	0.67	0.14	0.56	0.52	∞
14	0.01	0.00	0.19	0.45	0.55	∞
15	1.30	0.80	0.11	0.54	0.89	∞
16	0.60	0.18	0.17	0.63	0.89	∞
17	1.09	0.31	0.10	0.58	0.64	∞
18	0.06	0.02	0.14	0.60	0.61	5.47
19	0.12	0.04	0.30	1.53	0.33	1.75
AVG	0.75	0.38	0.12	0.59	0.46	—

∞: Pb was nonreadout in roots; Cd-contrast was not listed for nonreadout of Cd in roots and aboveground parts of most inbred lines under contrast condition.