Abstract
An increase in the number of motorized vehicles has the potential to increase air pollution, es-pecially on protocol roads, one of which is Particulate matter (PM 2.5). The response of tri-chomes from shade plants to vehicle exhaust gases can be used as environmental biomonitor-ing. The main road in Seberang Ulu II District has a fairly dense mobility in terms of the Ve-hicle Volume Ratio to Road Capacity (VCR). The purpose of this study was to determine the relationship between particulate dust levels and the density of leaf trichomes of shade plants on the protocol road, Seberang Ulu II District, Palembang City. The method in this research is ex post facto with a laboratory approach. Determination of the plot of this study using purpos-ive sampling based on consideration of the circumstances surrounding the study. Plots 1 and 2 are on Jalan A. Yani, Plots 3 and 4 are on DI. Panjahitan Street and Plot 5 as a comparison plot are on Kapten Abdullah Street. The results in this study showed that the highest trichome density values were found in polluted areas.
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