The paper shows the possibility of using terrestrial plants in phytoremediation of water bodies. The impact of the ions Cd(II) on the growth of plants of common barley (Hordeum vulgаre L.) and oat (Avena sativa L.), and on biomass and transpiration of plants of rye (Secale cereale L.); was investigated. To study the influence of ions of cadmium(II) on the growth characteristics of plants bioplato was designed. Measurements of the length of roots, shoots and biomass were performed at 7th, 15th and 21st day of incubation a bioplato on the solution with cadmium ions 1, 2 and 100 mg/l. A stronger inhibitory effect of cadmium on plant root growth was found. The inverse relationship between the degree of transpiration of plants and concentration of cadmium was established. As a result of the studies, the dependence of concentration–effect was confirmed: higher concentrations of cadmium caused greater toxic effects on plants. The proposed technology of phytoremediation can be used in the range of cadmium ion concentrations, which is at least 100 times higher than maximum residue limit.
Keywords: Secale cereale, Hordeum vulgare, Avena sativa, phytoremediation, bioplato, cadmium(II)
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