Structural changes in root and shoot ofBacopa monniera in response to salt stress |
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Authors: | Gayoor Ali A Arif Ibrahim Prem Shankar Srivastava Muhammad Iqbal |
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Institution: | (1) Department of Botany, Hamdard University, 110 062 New Delhi, India;(2) Department of Botany and Microbiology, College of Science, King Saud University, 11451 Riyadh, Saudi Arabia |
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Abstract: | Various concentrations of salt (NaCI) were shown to have an influence on the differentiation of tissues in the root and stem
ofBacopa monniera (L) Wettst. Higher concentrations induced drastic changes in roots grown on salt-supplemented media; epidermal and cortical
cells experienced changes in shape, size, and orientation and/or were got disintegrated. A low concentration of salt induced
a profuse development of root hairs which gradually disappeared at higher concentrations. Air spaces in the stem cortex were
enlarged and xylem cell walls in the vascular ring were thickened. |
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Keywords: | aerenchyma anatomy Bacopa monniera root salt stress shoot |
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