Chromium stress impact on Lemongrass grown in Over Burden Soil of Sukinda Chromite Ore Mine (Odisha), India.
AbstractThe pot culture experiments were carried out to study the toxicological changes in Lemongrass plants grown in varied percentage of Cr rich Over Burden Soil (OBS) with or without chelators such as Ethylene Diamine Tetra Acetic Acid (EDTA), Diethylene Triamine Penta Acetic Acid (DTPA), Citric Acid (CA), Salicylic Acid (SA) and metal ions (Zn and Mg). The toxicological impact of Cr on treated plants with reduced Transportation index (Ti) values indicated more root Chromium accumulation as compared to shoot. Shoot translocation of Cr as depicted by transportation index (Ti) values for different crops were enhanced with the application of chelating agents. The Bio-Concentration Factor (BCF) and Total Accumulation Rate (TAR) of Chromium were elevated with the supplementation of chelators and metal ions, thus, illustrated more metal bioavailability in plants.
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