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Assessment of Morphological Damages of Leaves of Selected Plant Species due to Vehicular Air Pollution, Kolkata, India
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Assessment of Morphological Damages of Leaves of Selected Plant Species due to Vehicular Air Pollution, Kolkata, India

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Abstract:

The present study deals to know morphological damages of leaves of four selected plant species near roadside due to vehicular air pollution in Kolkata, India. The selected plant species are Ficus bengalensis, Ficus religiosa, Alstonia scholaris and Neolamarckia cadamba as these are very common as avenue trees. The study area was selected as per Low vehicular load (LVL) as control area, moderate vehicular load (MVL) area, high vehicular load (HVL) area and heavy vehicular load (HeVL) These three sampling stations were selected on the basis of moderate, high and heavy traffic density and continuous vehicular movement as per visualization. The control area was considered as time dependent vehicular movement due to less traffic density. The morphological damages with special reference to length (L), breadth (B) and L/B ratio and visible injuries in leaves. The visible injuries such as pigmentation, chlorosis, necrosis and burning of leaves of four selected species is documented. There was an increasing and decreasing tends in all four plant species at all three vehicular emission exposed sites (MVL, HVL and HeVL) compared to control site (LVL). In all experimental sites such as MVL, HVL and HeVL, the extra growth and reduction pattern significantly (P < 0.001, 0.01 or 0.05) observed when compared to control site (LVL) for L, B and L/B ratio. The visible injuries (in %) of leaves were also observed in increasing trends. This study is a preliminary assessment of tolerant species that already have been used in greenbelt development to protect air pollutants as well as biological monitoring to know exact load of automobile air pollution but further researches are needed in relation to biochemical and genetic damage study. It was observed that out of four selected species Ficus bengalensis, Alstonia scholaris and Neolamarckia cadamba are more tolerant species and Ficus religiosa is a less tolerant species because of these may have fighting abilities by waxy coatings, accumulation and degradation abilities to vehicular air pollution at all exposed area when compared to control area.

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Periodical:

International Letters of Natural Sciences (Volume 9)

Pages:

76-91

DOI:

https://doi.org/10.56431/p-xr9aur

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Online since:

February 2014

Authors:

Abantika Nandy, Soumendra Nath Talapatra, Pritha Bhattacharjee, Punarbasu Chaudhuri, Aniruddha Mukhopadhyay

Keywords:

Air Pollution, Biomonitoring, Foilar Morphology, Leaf Injuries, Vehicular Pollution

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