ASSESSMENT OF POTENTIAL PHYTO- AND GENOTOXICITY INDUCED BY SOME IMIDACLOPRID- BASED INSECTICIDES ON A NON-TARGET CROP AND HIGHER PLANT ASSAY
Journal Title: International journal of ecosystems and ecology science (IJEES) - Year 2019, Vol 9, Issue 2
Abstract
Environmental pollution issues due to increased use and often incorrect appliance of pesticides are harmful phenomena constantly encountered in developing countries as Albania. The current study assessed the toxicity induced by short-term exposure of seeds and bulbs of Allium cepa L. to commercial formulations of imidacloprid-based insecticides. The biological materials were exposed for 12, 24, 48 and 72 h to three experimental doses (1.5, 3 and 4.5 gr/L) of KOHINOR 200 SL, PULSAR 200 SL MALLET 20 SL and MIDAS. Phytotoxicity was determined through the limitation of seed germination capacity, reduction of longitudinal root growth and mitotic index, while genotoxicity inducement by scoring frequencies of micronuclei and chromosome abnormalities in root meristem. All evaluated parameters obviously varied in insecticide formulation-, concentration- and time exposure-dependent manner. The results detected suppression of seed germination and significant root growth restriction after 48- and 72-hour treatments, particularly for PULSAR and MIDAS. Additionally, the strongest mito-depressive activity was revealed since at the medium concentrations, incurring sublethal effect to meristematic cells. Excluding the lowest concentrations, the other tested ones could generally induce presence of micronuclei and significant frequencies of chromosomal abnormalities after 24-72 h exposure duration, revealing the confident genotoxic effects and potential mutagenicity of imidacloprid-based insecticides under study. This simulating investigation highlighted the capability of a common crop in Albania and higher plant assay as onion in recognizing and predicting insecticides pollution likewise induction of environmental stress with potential toxic consequences on food chain consumers and human population health.
Authors and Affiliations
Anila Dizdari, Ueda Bala
Keywords
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- EP ID EP610817
- DOI 10.31407/ijees9216
- Views 95
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