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Table 4 Effect of vehicular air pollution on relative water content (%) of four street tree species in the Kumasi Metropolis

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

Sampling siteTree species
Terminalia catappaMangifera indicaFicus platyphyllaPolyalthia longifolia
Control68.17 ± 7.76a64.42 ± 4.94a77.84 ± 2.77a79.94 ± 7.16a
Arterial road I86.11 ± 6.24a80.08 ± 4.90a85.42 ± 8.54a85.97 ± 1.89a
Arterial road II83.80 ± 4.61a68.39 ± 7.27a82.75 ± 3.53a84.49 ± 3.16a
Arterial road III92.81 ± 1.33a83.63 ± 3.04a92.19 ± 1.88a93.86 ± 3.01a
  1. Mean ± SE in the same column with different letters in superscript is significantly different (P < 0.05)