Stomatal Study And Foliar Response To Simulated Acid Rain Treatment In Lycopersicon Lycopersicum(L.) Plants

Asian Resonance(P: ISSN No. 0976-8602 RNI No.UPENG/2012/42622 VOL.-7, ISSUE-4, October-2018 E: ISSN No. 2349-9443 )

Abstract


 Pratibha Tomar 

Assistant Professor, Deptt.of Botany, KMGGPG College, Badalpur, G.B.Nagar, Uttar Pradesh, India

Experiments were conducted to analyze the effect of acid rain on stomatal behavior of the tested plants i.e. Lycopersiconlycopersicum (L.) CV. Damayanti. The plants were exposed to different acid water solutions of pH 5.6, 4.5, 3.5 and 2.5. The control set of plants was treated to only distilled water (pH 5.6). The plants were given treatment of acid rain solution after only 5 days of sowing till maturity of crop, after a gap of 20 days interval. It was observed after the study that treatment of plant with different pH of simulated acid rain reduced the number of stomata and epidermal cell per unit area on both adaxial and abaxial surfaces of leaves but the impact was more pronounced on upper surface. Decrease in both the number of stomata and epidermal cells got substituted by the increase in the size of epidermal cells. The leaves showed abnormal features in response to prolonged exposure to simulated acid rain. Simulated acid rain caused chlorotic patches in the leaves, which later on get converted into dark necrotic lesions. In the plants, the number of leaves per plant exhibited decline in response to simulated acid rain of different pH values. The reduction was not only confined to number of leaves per plant but also fresh- and dry- weight and leaf surface area.

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http://www.socialresearchfoundation.com/upoadreserchpapers/1/237/1907100910441st%20pratibha%20tomar.pdf


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