ISSN 1995-4301

ISSN 2618-8406

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1 issue of the journal in 2024

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The assessment of potential risks of chloride salts and their effect on seed germination and plant development

L.P. Voronina, V.L. Flerchuk, K.E. Ponogaybo, A.V. Sbitnev, M. Abdelkader
Section: Ecotoxicology
The article discusses the negative effect of de-icing materials (DM) and salts in their composition on plant seedlings germination and development. The influence of sodium and potassium cations and chlorine anion on phytotoxicity index is considered. The dynamics of test-plants (Avena sativa L., Raphanus sativa L., Hordeum vulgare L.) response on a number of test-indicators depending on the concentration of basic salts in DM by a promising method of phytotesting was analyzed. The analyzed DMs in concentrations higher than 1% have an inhibitory effect. The DM at 14–16 g/L suppresses root length of test plants (more than 50%) relative to the control. The low content of heavy metals, such as Cd, Cu, Pb, in the analyzed DM samples indicates the toxicity of sodium chloride as an active de-icing agent. The results of statistical analysis convincingly prove the high phytotoxicity of sodium chloride (NaCl) in relation to such indicators of the juvenile test-plant development as germination, the primary root length and the coleoptile height. Increasing the NaCl concentration in the solution from 0.75 to 1% was strongly toxic to the test-plants (more than 50%). Potassium chloride (KCl) in the concentration range of 0.1–1.0% showed no phytotoxicity. The KCl presence in the NaCl-included de-icing reagent reduces its phytotoxicity and allows the toxicity level of the agent to be assessed as “moderately toxic”.
Keywords: deicing material (DM), sodium chloride, potassium chloride, seed germination, phytotoxicity, salinity
Article published in number 1 for 2024
DOI: 10.25750/1995-4301-2024-1-156-165
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The journal was founded in 2007