Table 2.

Heavy metals concentrations in Taraxacum officinale L. Cu, Mn, Zn, Pb, Cr and Pd soil, roots and leaves concentrations (ppm) in Taraxacum officinale L.

	SPRING			SUMMER			AUTUMN
Cu	Soil	Roots	Leaves	Soil	Roots	Leaves	Soil	Roots	Leaves
SA1	126 ± 6.3	36 ± 1.8	35 ± 1.8	136 ± 6.8	95 ± 4.8	51 ± 2.6	131 ± 6.6	97 ± 4.9	52 ± 2.6
SA2	116 ± 5.8	46 ± 2.3	39 ± 2.0	144 ± 7.2	64 ± 3.2	42 ± 2.1	142 ± 7.1	71 ± 3.6	45 ± 2.3
SA3	110 ± 5.5	31 ± 1.6	37 ± 1.9	155 ± 7.8	55 ± 2.8	39 ± 2.0	99 ± 5.0	27 ± 1.4	34 ± 1.7
SA4	54 ± 2.7	40 ± 2	23 ± 1.2	127 ± 6.4	31 ± 1.6	26 ± 1.3	74 ± 3.7	30 ± 1.5	24 ± 1.2
SA5	32 ± 1.6	15 ± 0.8	15 ± 0.8	104 ± 5.2	31 ± 1.6	24 ± 1.2	55 ± 2.8	25 ± 1.3	10 ± 0.5
Mn	Soil	Roots	Leaves	Soil	Roots	Leaves	Soil	Roots	Leaves
SA1	809 ± 40.5	49 ± 2.5	39 ± 2.0	546 ± 27.3	61 ± 3.1	41 ± 2.1	624 ± 31.2	43 ± 2.2	19 ± 1.0
SA2	720 ± 36	115 ± 5.8	64 ± 3.2	576 ± 28.8	112 ± 5.6	35 ± 1.8	602 ± 30.1	61 ± 3.1	42 ± 2.1
SA3	755 ± 37.8	76 ± 3.8	74 ± 3.7	571 ± 28.6	83 ± 4.2	58 ± 2.9	583 ± 29.2	65 ± 3.3	38 ± 1.9
SA4	788 ± 39.4	91 ± 4.6	98 ± 4.9	600 ± 30	66 ± 3.3	51 ± 2.6	580 ± 29	104 ± 5.2	54 ± 2.7
SA5	646 ± 32.3	45 ± 2.3	44 ± 2.2	631 ± 31.6	86 ± 4.3	59 ± 3.0	624 ± 31.2	59 ± 3.0	32 ± 1.6
Zn	Soil	Roots	Leaves	Soil	Roots	Leaves	Soil	Roots	Leaves
SA1	229 ± 11.5	155 ± 7.8	133 ± 6.7	374 ± 18.7	211 ± 10.6	148 ± 7.4	742 ± 37.1	227 ± 11.4	90 ± 4.5
SA2	220 ± 11	157 ± 7.9	121 ± 6.1	426 ± 21.3	234 ± 11.7	150 ± 7.5	678 ± 33.9	265 ± 13.3	137 ± 6.9
SA3	215 ± 10.8	119 ± 6.0	109 ± 5.5	263 ± 13.2	152 ± 7.6	105 ± 5.3	694 ± 34.7	187 ± 9.4	64 ± 3.2
SA4	101 ± 5.1	94 ± 4.7	79 ± 4.0	254 ± 12.7	72 ± 3.6	80 ± 4	393 ± 19.7	73 ± 3.7	55 ± 2.8
SA5	61 ± 3.1	59 ± 3.0	70 ± 3.5	93 ± 4.7	70 ± 3.5	80 ± 4	140 ± 7	73 ± 3.7	40 ± 2
Pb	Soil	Roots	Leaves	Soil	Roots	Leaves	Soil	Roots	Leaves
SA1	627 ± 31.4	68 ± 3.4	8 ± 0.4	796 ± 39.8	109 ± 5.5	22 ± 1.1	730 ± 36.5	84 ± 4.2	11 ± 0.6
SA2	588 ± 29.4	75 ± 3.8	n.d.	769 ± 38.5	155 ± 7.8	28 ± 1.4	730 ± 36.5	108 ± 5.4	22 ± 1.1
SA3	206 ± 10.3	n.d.	n.d.	644 ± 32.2	26 ± 1.3	12 ± 0.6	560 ± 28	15 ± 0.8	3 ± 0.2
SA4	244 ± 12.2	n.d.	n.d.	371 ± 18.6	11 ± 0.6	8 ± 0.4	107 ± 5.4	9 ± 0.5	2 ± 0.1
SA5	148 ± 7.4	n.d.	n.d.	174 ± 8.7	6 ± 0.3	4 ± 0.2	89 ± 4.5	4 ± 0.2	1 ± 0.1
Cr	Soil	Roots	Leaves	Soil	Roots	Leaves	Soil	Roots	Leaves
SA1	35 ± 1.8	7 ± 0.4	3 ± 0.2	29 ± 1.5	8 ± 0.4	2 ± 0.1	30 ± 1.5	3 ± 0.2	1 ± 0.1
SA2	38 ± 1.9	10 ± 0.5	5 ± 0.3	34 ± 1.7	10 ± 0.5	3 ± 0.2	35 ± 1.8	4 ± 0.2	1 ± 0.1
SA3	40 ± 2	4 ± 0.2	3 ± 0.2	31 ± 1.6	7 ± 0.4	1 ± 0.1	32 ± 1.6	3 ± 0.2	1 ± 0.1
SA4	45 ± 2.3	7 ± 0.4	3 ± 0.2	29 ± 1.5	4 ± 0.2	2 ± 0.1	21 ± 1.1	n.d.	n.d.
SA5	33 ± 1.7	3 ± 0.2	3 ± 0.2	28 ± 1.4	2 ± 0.1	1 ± 0.1	28 ± 1.4	n.d.	n.d.