Potential antagonist Zn effect on faba bean (Faba vulgaris m.) contaminated by Pb and Cd / Antagonistyczny wpływ Zn na bób (Faba vulgaris m.) zanieczyszczony Pb i Cd
2013
Bystrická, Judita | Tomáš, Ján | Tóth, Tomáš | Trebichalský, Pavol | Kavalcová, Petra
The pollution of soil by heavy metals is considered to be a big problem in the world today. Currently, attention is being paid to the content of individual heavy metals in the soil-plant-food system. In our work, mainly the effect of bivalent cations of lead, cadmium and zinc and its uptake by faba bean (Faba vulgaris M.) was surveyed.The results obtained suggest that the incorporation of Pb (200 mg • kg⁻¹ soil) and Cd (10 mg • kg⁻¹) had a negative effect on the quantitative and qualitative parameters of faba bean. The incorporation of Pb in the faba bean crop is statistically significantly decreased by 24.86%, and the reduction of Cd represented 29.91% compared to the control. In the case of common application of zinc, cadmium and lead in soil (variants C, E), there was a slight increase in crop yield compared to the individual incorporation of heavy metals (variants B, D); in the case of Pb, the increase was 13.14%, and in case of Cd 27.77%. A common application of heavy metals with zinc had a positive influence on quality parameters of the faba bean. We have seen a decrease in Cd to 0.15 ± 0,018 mg • kg⁻¹ (a statistically significant decrease) and decrease in Pb to 0.61 ± 0.17 mg • kg⁻¹ (without significant differences).
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