Plant Growth Regulation

, Volume 69, Issue 3, pp 275–284 | Cite as

Improving salt tolerance by exogenous application of salicylic acid in seedlings of pistachio

  • Nasim Bastam
  • Bahram Baninasab
  • Cyrus Ghobadi
Original paper


Salicylic acid (SA) is a common, plant-produced signal molecule that is responsible for inducing tolerance to a number of biotic and abiotic stresses. An experiment was therefore conducted to test whether the application of SA at various concentrations (0, 0.10, 0.50, or 1.00 mM) as a foliar spray would protect pistachio (Pistacia vera L.) seedlings subjected to salt stress (0, 30, 60, or 90 mM NaCl). SA improved growth rate of pistachio seedlings under salt stress and increased relative leaf chlorophyll content, relative water content, chlorophyll fluorescence ratio, and photosynthetic capacity as compared with the control at the end of salt stress. SA ameliorated the salt stress injuries by inhibiting increases in proline content and leaf electrolyte leakage. It appeared the best ameliorative remedies of SA obtained when pistachio seedlings were sprayed at 0.50 and 1.00 mM.


Morphological parameters Physiological parameters Pistachio Salicylic acid Salinity 



The authors thank Mr. M. Baghbanha, Mr. H. Arabzadegan, and Mr. R. Mohammadi for their valuable help with this experiment. This research was supported by the Isfahan University of Technology.


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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  1. 1.Department of Horticulture, College of AgricultureIsfahan University of TechnologyIsfahanIran

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