Continues to grow in relation to food safety and sustainable agricultural output. It is a difficult effort to remove Cr from contaminated soils, yet doing so could support agriculture while simultaneously reducing negative environmental effects. Using overburden soil (OBS) of Sukinda, pot investigations were carried out to examine the biochemical and toxicological changes, in an ornamental plant, Zinnia elegans (L.). After 30, 45, and 60 days of treatment, the physio-morphological parameters viz total chlorophyll content, proline, protein, reducing sugar content, and antioxidant properties viz. CAT, APX, POX and SOD were examined. Upon T4 treatment, the plants’ length, biomass, chlorophyll and protein contents all decreased. However, the application of a larger percentage of OBS boosted the antioxidative enzymes as well as proline levels, suggesting that the plants’ adaptive defense system is related to increasing Cr+6 induced oxidative stress. This work shows that non-edible ornamentals can be used to efficiently carry out phytoremediation of Cr+6 contaminated soils in mining sectors, stopping the ion’s impacts in the food chain.
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