Impact of salinity and calcium stress on some properties of Isabgol (Plantago ovata)

Document Type : Research Paper


Department of Soil Science, Faculty of Agriculture, Vali-e-Asr University, Rafsanjan, Iran


To investigate the influence of salinity and calcium (Ca) on some properties of Plantago ovata, a pot factorial
experiment based on randomized complete block design with three replicates was conducted in Jiroft, south of Kerman
Province, Iran. Three salinity levels of 0, 100 and 200 mM NaCl and Ca levels of 0, 5 and 10 mM Calcium nitrate were
applied as the first and second factors, respectively. Results showed that salt levels significantly affected plant height, dry
weight, number of spikes per plant, spike length, number of seeds per spike, mucilage and 1000 seed weights. Maximum
values for the measured variables were obtained in control and the minimum values in 100 mmol sodium chloride. The
effect of Ca on these traits was significant as well; it diminished the adverse effects of salinity. In addition, the interactive
effects of salt and Ca on all the above traits were remarkable except for mucilage and spike length on which no significant
effect was observed.


Main Subjects

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