Evaluation Of Tolerance And Sensitivity Of Selected Plant Species With Special Reference To Gasoline Exhaust Pollution
Journal: International Journal of Scientific & Technology Research (Vol.4, No. 2)Publication Date: 2015-02-15
Authors : Abhinav Garg; Pallavi Saxena; Chirashree Ghosh;
Page : 199-207
Keywords : Index Terms Bioindicator; Chlorophyll; Gasoline Exhaust; Nitrate Reductase; Protein; Sensitive; Tolerant; VOCs;
Abstract
Abstract Emissions from motor vehicle exhausts have been shown to have deleterious effects on the physiology of plant species. Our present study focuses on evaluating the tolerance and sensitivity of selected plant species viz. Dracaena deremensis good absorber of VOCs and Dianthus caryophyllus susceptible to ethylene and formaldehyde VOCs at selected sites which are differentiated on the basis of high gasoline exhaust emission source Site I and less gasoline exhaust emission source Site II 26 III. For this Air Pollution Tolerance Index APTI and selected physiological parameters were taken into account i.e. total chlorophyll ascorbic acid pH relative water content total protein and Nitrate reductase NR. The results showed that D. deremensis have high chlorophyll content ascorbic acid content protein content with high NR activity as compared to D. caryophyllus at all the selected sites. As per Air Pollution Tolerance Index APTI D. deremensis has value of 60.60 55.25 26 55.93 at Site I II 26 III respectively which comes under tolerant range and D . caryophyllus has value of 14.82 15.41 26 15.93 at Site I II 26 III respectively which comes under sensitive range. Thus study ends up with the conclusion that D. deremensis was found to be more tolerant than D. caryophyllus at all sites and thus D. deremensis can be used as a tool in mitigation of gasoline exhaust pollution and D. caryophyllus can be used as an bioindicator for indicating gasoline exhaust pollution.
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