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Table 8 The effect of vehicular air pollution on of carotenoids (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 0.19 ± 0.01b 0.17 ± 0.02b 0.19 ± 0.01b 0.18 ± 0.02a
Arterial road I 0.12 ± 0.03a 0.14 ± 0.03ab 0.16 ± 0.01ab 0.17 ± 0.01a
Arterial road II 0.16 ± 0.03b 0.12 ± 0.01a 0.14 ± 0.01a 0.14 ± 0.01a
Arterial road III 0.11 ± 0.02a 0.13 ± 0.01ab 0.14 ± 0.01a 0.15 ± 0.02a
  1. Mean ± SE in the same column with different letters in superscript is significantly different (P < 0.05)