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http://dx.doi.org/10.5352/JLS.2005.15.6.889

Effects of Simulated Acid Rain on the Shoot Growth and Internal Tissue of Arabidopsis thaliana  

Park Jong-Bum (Dept. of Biological Science, Silla University)
Publication Information
Journal of Life Science / v.15, no.6, 2005 , pp. 889-894 More about this Journal
Abstract
This experiment was carried out to investigate the effects of simulated acid rain (SAR) in the shoot growth and internal structure of Arabidopsis thaliana. In the shoot growth, the plants treated with SAR (pH 3.0) for 15 days showed no morphological change compared to the control plants. Some change was observed in the internal structure of the stems: the epidermis and cortex tissues of the stems treated with SAR were partly damaged. The plants treated with SAR showed no noticeable difference compared to the control plants, but morphological changes were observed in the leaf. The leaves of the plants treated with SAR showed many white necrotic spots on the part of upper epidermis. A light microscopic examination of the leaves with necrotic spots showed that the upper epidermis was severely compressed with the damaged cuticle layer and the mesophyll cells were also damaged and compressed. However, noticeable structural change of vascular bundle cells was not observed.
Keywords
Arabidopsis thaliana; simulated acid rain; morphology; internal structure;
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