ABSTRACT:
A comparative study on selected plant species revealed the impact of air pollution on biochemical parameters, including chlorophyll, pH, water content, and ascorbic acid. Air pollution led to reduced chlorophyll content, altered pH levels, decreased water content, and changes in ascorbic acid levels, varying across plant species. These changes affected plant growth, photosynthesis, and tolerance to pollution. The study highlights the importance of evaluating these parameters to understand plant responses to air pollution and identify tolerant species for urban landscaping and pollution mitigation. The comparative analysis of biochemical and physiological parameters among plant species reveals distinct responses to air pollution. Mangifera indica shows significant reductions in chlorophyll, carotenoids, and ascorbic acid, with increased proline levels indicating stress adaptation. Ficus religiosa has lower chlorophyll and carotenoids but maintains better hydration. Calotropis procera exhibits strong adjustment with decreased chlorophyll and elevated proline. Cassia fistula shows slight chlorophyll reduction but higher carotenoids and ascorbic acid, suggesting resilience. Bambusa vulgaris also displays decreased chlorophyll, moderate reductions in carotenoids and ascorbic acid, and a surge in proline. Overall, all species exhibit an acidic pH shift and reduced water content under pollution conditions, highlighting varying degrees of tolerance and adaptability, which are important for selecting resilient plants for urban pollution mitigation.
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