PJB-2021-675
Characterization of NaCl stress in young Bismarckia Palm (Bismarckia nobilis)
Iqra Hanif
Abstract
Salinity is a major issue caused by the accretion of excess salts composites like Na+, K+, Ca2+, Mg2+ and Cl-. The possible out-turns of the salinity on the morphology, physiology and biochemical variables of bismarckia palm (Bismarckia nobilis) were investigated in this study. The seedlings of bismarckia palm were established in pots and periodically irrigated with various concentrations of NaCl solution to assess the morphology, physiology and biochemical variables at the regular intervals. The experiment was laid down on completely randomized design (CRD) and our findings suggests that the increased level of salt stress significantly decreased the length of shoot, fresh weight of shoot and dry weight of shoot. In contrast, the length of root, fresh weight and dry weight of root got enhanced at the maximum stress level of salt dosage (150 mM of NaCl). However, total count of leaves showed non-significant effect on all treatments. Moreover, results showed that all the chlorophyll contents have been also reduced with the increase of the NaCl concentration. Similarly, the antioxidants including SOD, POD and CAT were enhanced at maximum test dosage. Conclusively, it can be inferred that high saline condition of soil may hinder the morphological, physiological and biochemical statutes of bismarckia palm (Bismarckia nobilis).
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