The Adaptation of Suaeda physophora Seedlings to Salinity and Drought Environments

DOI

10.2991/itms-15.2015.59How to use a DOI?

Keywords

Suaeda physophora; Salinity; Drought; Shoot dry weight

Abstract

We investigated the effect of combined salinity and drought stress on ion accumulation, membrane permeability in leaves, and seedling survival and shoot dry weight of Suaeda physophora seedlings after they were rewatered. The results showed that drought stress increased leaf Na+ and Cl- content, especially at 400mmol•L-1 NaCl pretreatment, while drought treatment had no effect on leaf K+ content after seedlings were pretreated with either 1 or 400mmol•L-1 NaCl. Shoot dry weight of seedlings decreased during drought treatment compared to control (without drought treatment) regardless the concentrations of salinity after seedlings were rewatered. Drought treatment had less adverse effect on the seedling and leaf survival in seedlings pretreated at 400mmol•L-1 NaCl than at 1 mmol•L-1 NaCl after seedlings were rewatered. The present results indicate that seedlings of S. physophora pretreated with salinity can increase seedling survival, and this can help them to adapt to combined salinity and drought stress in arid areas.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - W.W. Zhao
AU  - T.T. Fu
AU  - F.X. Wang
AU  - Y.G. Xu
AU  - J. Song
PY  - 2015/11
DA  - 2015/11
TI  - The Adaptation of Suaeda physophora Seedlings to Salinity and Drought Environments
BT  - Proceedings of the 2015 International Conference on Industrial Technology and Management Science
PB  - Atlantis Press
SP  - 249
EP  - 252
SN  - 2352-538X
UR  - https://doi.org/10.2991/itms-15.2015.59
DO  - 10.2991/itms-15.2015.59
ID  - Zhao2015/11
ER  -