caa a22 4500 445841001 CHVBK 20180317145344.0 cr unu---uuuuu 170323e20110701xx s 000 0 eng 10.1007/s10725-011-9568-z doi (NATIONALLICENCE)springer-10.1007/s10725-011-9568-z Evaluation of salinity tolerance in sorghum ( Sorghum bicolor L.) using ion accumulation, proline and peroxidase criteria [Elektronische Daten] [Vahid Bavei, Behrouz Shiran, Ahmad Arzani] Salt tolerance of sorghum varieties in terms of fresh weight, ion accumulations, proline content and peroxidase activity was analyzed in this study. Three sorghum varieties, Payam, Kimia, and Jambo, differing in salt tolerance, were grown in a greenhouse-hydroponic culture with a complete nutrition solution to which 0, 50, 100, 150 and 200mM NaCl was added. Plant roots and leaves were harvested at 15 and 30days after treatment and subjected to analysis. Clear decline in K+ and Ca2+ concentrations and increase in Na+ and proline contents were observed in the root and leaf tissues at each NaCl concentration in all varieties during the NaCl treatment. The Ca2+ concentration in leaves was higher than in roots, and had the following order in the tested cultivars: Jambo, Kimia, and Payam. Total peroxidase activity increased under salinity stress and it was proportional with the salt concentration. Payam had the largest decrease (46.95%) in fresh weight caused by NaCl, while Jambo had the lowest decrease, 28.63%. Linear regression analysis revealed significant relationships between the estimated factors and fresh weight. The profiles of isoperoxidases were modified under stress conditions. Two isoforms, A1 and A2, were detected in all three varieties with different intensities. Under NaCl stress, isoperoxidases were strongly expressed and a third isoform, A3, was specifically found in variety Jambo suggesting that A3 is implicated in salt adaptation of this variety. Springer Science+Business Media B.V., 2011 Salt tolerance nationallicence Sorghum nationallicence Fresh weight nationallicence Proline nationallicence Proxidase activity nationallicence Bavei Vahid Department of Agronomy and Plant Breeding, College of Agriculture, University of Shahrekord, Shahrekord, Iran aut Shiran Behrouz Department of Agronomy and Plant Breeding, College of Agriculture, University of Shahrekord, Shahrekord, Iran aut Arzani Ahmad Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, 84156 83111, Isfahan, Iran aut Plant Growth Regulation Springer Netherlands 64/3(2011-07-01), 275-285 0167-6903 64:3<275 2011 64 10725 https://doi.org/10.1007/s10725-011-9568-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10725-011-9568-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Bavei Vahid Department of Agronomy and Plant Breeding, College of Agriculture, University of Shahrekord, Shahrekord, Iran aut NATIONALLICENCE 700 1- Shiran Behrouz Department of Agronomy and Plant Breeding, College of Agriculture, University of Shahrekord, Shahrekord, Iran aut NATIONALLICENCE 700 1- Arzani Ahmad Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, 84156 83111, Isfahan, Iran aut NATIONALLICENCE 773 0- Plant Growth Regulation Springer Netherlands 64/3(2011-07-01), 275-285 0167-6903 64:3<275 2011 64 10725 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer