Earth is facing at present the major problem of global warming and air pollution. Trees are known as the largest and the most efficient carbon and pollution sinks. Hence in the present study Air Pollution Tolerance Index (APTI) and carbon storage potential are estimated for 20 selected multipurpose trees and compared to identify any significant relationship. Anticipated Performance Index is also estimated for these trees. Mangifera indica is identified as the high pollution tolerant tree and it having fast growth rate with good carbon storage is recommended for plantating as avenue and ornamental tree in urban areas. Senna siamea, Eucalyptus microtheca, Acacia auriculiformis, Ficus religiosa are also good performers. There is no significant correlation between (0.001) leaf carbon content and APTI. A significant correlation between ascorbic acid and pH of the leaf, water content and APTI, ascorbic acid and water content, chlorophyll content and water content is evident.
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