Assessment of the Bioavailability of Cu, Pb, and Zn through Petunia axillaris in Contaminated Soils

Table 4

Heavy metal accumulation in Petunia x hybrida.

Plant part	Soil	Metal in plants (mg·kg^−1)
		Pb			Cu			Zn
		1	2	3	1	2	3	1	2	3
Root	1	9 ± 7	15 ± 8	20 ± 9	14 ± 4	27 ± 11	27 ± 14	30 ± 20	32 ± 28	66 ± 8
Stem	1	6 ± 2	6 ± 3	8 ± 5	6 ± 2	8 ± 2	12 ± 6	3 ± 1	17 ± 16	27 ± 23
Root	2	10 ± 6	21 ± 11	26 ± 16	16 ± 4	24 ± 6	43 ± 8	12 ± 8	19 ± 13	33 ± 8
Stem	2	6 ± 3	9 ± 5	10 ± 3	9 ± 2	10 ± 4	14 ± 3	5 ± 4	6 ± 5	9 ± 7

Data are mean ± SD, .