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Aims: The impact of air pollution on biochemical properties and air pollution tolerance indices of ten plants growing at Trans -Amadi Industrial Lay-out and along East-West Road, Port Harcourt alongside Umuokiri -Aluu as control site were studied. Study Design:The leaves of the plants were collected and used to determine fresh weight, turgidweight, dry weight, relative water content, leaf extract pH, ascorbic acid content and total chlorophyll content. Air pollution tolerance indices were calculated from data obtained for each plant species. Results:Results showed that relative water conte nt of leaf samples were of the order |
