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Table 7 The effect of vehicular pollution on total chlorophyll (mg/g) contents of selected tree species in the Kumasi Metropolis

From: Roadside air pollution in a tropical city: physiological and biochemical response from trees

Sampling site Tree species
Terminalia catappa Mangifera indica Ficus platyphylla Polyalthia longifolia
Control 1.21 ± 0.01d 1.53 ± 0.02d 1.52 ± 0.01d 1.41 ± 0.03d
Arterial road I 0.53 ± 0.01a 0.67 ± 0.03a 0.97 ± 0.01c 0.93 ± 0.01c
Arterial road II 0.84 ± 0.01b 1.01 ± 0.03b 0.65 ± 0.01a 0.58 ± 0.03a
Arterial road III 1.02 ± 0.01c 1.13 ± 0.01c 0.70 ± 0.03b 0.74 ± 0.01b
  1. Mean ± SE in the same column with different letters in superscript is significantly different (P < 0.05)