Alleviation of Salinity Effects by Exogenous Applications of Salicylic Acid in Sugarcane (Saccharum officinarum L.) Seedlings

Document Type : Research Article

Authors

• F Chaharlang Badil ¹
• M Barary ¹
• M Shomeili ²
• Z Tahmasebi ¹

¹ Ilam University

² Sugarcane Research and Training Institute of Khuzestan

10.22067/gsc.v14i3.44051

Abstract

Introduction
Abiotic stresses cause 71% reduction in crop yield around the world, from which 20% is related to salinity stress. The importance of sugarcane increases every day due to greater demand for sugar. Since sugarcane has mainly grown in arid and semi-arid regions, salinity is one of the main problems for this crop due to higher evaporation in these areas. Salicylic acid (SA) is classified as a phyto – hormone and belongs to a group of phenol compounds. Salicylic acid can improve plant tolerance to abiotic stresses. This research aimed at studying the effect of SA on the alleviating of salinity stress in sugarcane.

Materials and Methods
The effects of salicylic acid on the growth and some physiological responses of sugarcane (Saccharum officinarum L. cv. CP69-1062) were studied under salt stress. The experiment design was a factorial of two factors, based on a randomized completely design with three replications. The experiment was conducted in a greenhouse at the Sugarcane Research and Training Institute of Khuzestan, Iran in 2012. Treatments evaluated in this study were three levels of salt stress, including (ECW

Keywords

• Morpho-physiological
• Root Na+
• Salt
• Spraying

20.1001.1.20081472.1395.14.3.5.6

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