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

Table 2

Pb and Cd concentrations in roots and aboveground parts of inbred lines (mg·kg⁻¹).

Inbred line number	Cd				Pb
	Roots		Stems and leaves		Roots		Stems and leaves
	Low	High	Low	High	Low	High	Low	High
1	0.00±0.00^f	175.09±9.54^a	0.00±0.00^e	8.42±0.16^l	11.55±0.03^a	150.18±0.22^de	0.00±0.00^i	0.00±0.00^g
2	0.00±0.00^f	86.43±1.77^cde	0.00±0.00^e	61.38±0.63^a	7.16±0.29^b	211.84±0.09^bc	46.88±1.59^b	115.63±5.35^bc
3	11.68±0.21^a	47.34±1.94^ghi	11.40±0.66^a	24.86±1.23^h	0.00±0.00^f	102.26±0.10^fg	5.78±0.28^h	13.47±2.79^efg
4	6.99±0.33^c	43.21±0.18^hi	4.09±0.12^c	46.26±0.50^c	1.92±0.08^e	136.34±3.02^ef	0.00±0.00^i	7.72±1.60^fg
5	2.85±0.45^d	75.02±0.86^defg	0.00±0.00^e	51.04±0.05^b	5.77±0.26^c	109.22±4.47^fg	13.43±0.45^g	40.47±0.87^defg
6	0.00±0.00^f	118.86±1.27^b	0.00±0.00^e	0.00±0.00^o	3.86±0.41^d	51.64±1.47^h	7.84±0.19^h	67.17±1.79^cdef
7	11.05±0.93^a	60.15±12.17^efgh	8.74±0.31^b	17.84±0.26^j	0.00±0.00^f	212.03±8.62^bc	53.31±2.49^a	127.19±4.40^bc
8	12.03±0.03^a	122.86±8.85^b	0.00±0.00^e	25.58±0.70^gh	5.76±0.37^c	82.04±5.55^fg	0.00±0.00^i	94.52±4.56^bcd
9	0.00±0.00^f	97.59±0.60^bcd	0.00±0.00^e	12.08±0.48^k	3.72±0.16^d	199.19±1.78^bc	37.06±3.53^cd	94.71±3.57^bcd
10	0.00±0.00^f	57.29±11.82^efgh	1.18±0.26^d	26.78±0.43^g	0.00±0.00^f	217.71±1.20^b	20.41±0.01^f	126.43±0.73^bc
11	0.00±0.00^f	79.53±2.05^cde	0.00±0.00^e	0.00±0.00^o	0.00±0.00^f	186.20±9.09^bc	48.02±0.31^b	72.44±0.51^cde
12	9.24±0.06^b	21.73±0.27^i	0.00±0.00^f	22.57±0.79^i	11.07±0.09^a	109.46±8.61^fg	31.48±3.94^e	77.77±12.34^bcd
13	0.00±0.00^f	50.75±0.29^fgh	0.00±0.00^f	34.20±0.14^e	0.00±0.00^f	186.27±0.68^bc	31.41±0.15^e	104.31±13.15^bcd
14	0.00±0.00^f	124.02±18.88^b	0.00±0.00^f	0.26±0.03^no	0.00±0.00^f	312.80±6.54^a	33.48±2.26^de	141.31±3.50^b
15	0.00±0.00^f	49.09±3.33^ghi	0.09±0.01^e	38.97±0.59^d	0.00±0.00^f	148.95±10.17^de	54.02±0.48^a	79.92±4.74^bcd
16	0.00±0.00^f	101.94±6.20^bcd	0.00±0.00^f	17.88±0.56^j	0.00±0.00^f	201.17±11.31^bc	53.99±0.28^a	127.71±0.24^bc
17	0.00±0.00^f	103.67±7.45^bc	0.00±0.00^f	32.62±0.37^f	0.00±0.00^f	124.80±8.47^ef	38.81±3.09^c	72.73±12.80^cde
18	0.00±0.00^f	87.75±1.38^cde	0.00±0.00^f	1.79±0.51^n	6.80±0.03^b	180.72±13.20^cd	37.22±0.08^cd	107.89±11.01^bc
19	0.00±0.00^f	77.86±0.47^cdef	0.00±0.00^f	3.58±0.39^m	11.41±0.92^a	144.99±1.12^de	19.98±0.42^f	222.28±16.63^a
AVG mg·kg^−1	2.83	83.17	1.34	22.43	3.63	161.46	28.06	89.14
C.V. (%)	162.91	44.04	239.30	81.95	118.18	37.39	68.63	59.15

Values followed by same letters are not significantly different at (𝑃<0.01). Means ±SE, 𝑛=3.