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ABSTRACT
The growth response of Amaranthus hybridus L. to soil treated with Cadmium (Cd) was investigated in this study. After raising seedlings in a nursery over two weeks, three stands were transplanted into perforated bowls filled with 2 kg garden soil and allowed to establish. Thinning was carried out to reduce the plant stands to one in each bowl and thereafter treated with cadmium. This experiment was made up of control soil and four soil treated concentration (25, 50, 75, 100 mg/kg) in 3 replicates. Data were collected on a 7-day basis for 28 days. Results for plant height, number of leaves and leaf loss showed adverse effect of Cadmium on growth of the plant. The soil treatments with cadmium at the end of the study had height values of 21.58 ± 2.56, 17.80 ± 3.21, 15.88 ± 0.69, 16.70 ± 0.55 and 14.67 ± 0.60 and the number of leaves lost- 5.0 ± 0.98, 6.0 ± 1.12, 6.0 ± 0.51, 7.0 ± 1.38 and 11.0 ± 1.20 for control, 25, 50, 75 and 100 mg / kg of Cadmium treatments respectively. Cadmium taken up by the plant was within acceptable limits with the root taking up the highest concentration for the 100 mg / kg Cadmium treatment.
