Physiological adaptability of Salvadora oleoides to sodicity and salinity stress

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  • ASHWANI KUMAR ICAR-Central Soil Salinity Research Institute, Karnal, Haryana 132 001, India
  • ANITA MANN ICAR-Central Soil Salinity Research Institute, Karnal, Haryana 132 001, India
  • CHARU LATA ICAR-Central Soil Salinity Research Institute, Karnal, Haryana 132 001, India
  • ARVIND KUMAR ICAR-Central Soil Salinity Research Institute, Karnal, Haryana 132 001, India


Na /K , Osmolytes, Photosynthetic traits, Salinity, Salvadora oleoides, Sodicity


An experiment was conducted in microplots at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana during 2013–16 to study the adaptive response of Salvadora oleoides, a facultative halophyte under saline, sodic and mixed saline-sodic conditions. S. oleoides was not able to survive at higher sodicity (pH ~ 10.0) and salinity (ECe ~ 35 dS/m) as well as on the mixed sodicity and salinity levels (pH ~ 9.0 along with ECe ~ 10, 15, 20 dS/m). Stress either salinity or sodicity brought reduction in plant height, chlorophyll content and gas exchange attributes, but S. oleoides maintained gaseous exchange at moderate stress level. S. oleoides accumulated 4 fold higher proline under sodic stress and 6 fold under salinity stress. Other osmolytes, TSS and soluble protein decreased with stress intensification to maintain osmotic balance. In comparison to control, sodicity enhanced Na+ and Cl- by 54.57% and 20.33%, while under salinity, Na+ was enhanced by 141.52–256.09% and Cl- by 47.83–115.58% at ECe ~ 15 and 25 dS/m, respectively. Inspite of such higher increase in Na+ and Cl-, S. oleoides retained good amount of mean K+ (1.22%) in leaf tissue. S. oleoides also maintained leaf Na+/K+ below 1.0 under stress condition of pH ~ 9.5 and ECe ~ 15 dS/m. Based on the studied physio-biochemical analysis, Salvadora oleoides exhibited good adaptive potential under moderate salinity and sodicity stress and could be used as a promising salt-tolerant plant species for plantation in salt affected areas.


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How to Cite

KUMAR, A., MANN, A., LATA, C., & KUMAR, A. (2022). Physiological adaptability of Salvadora oleoides to sodicity and salinity stress. The Indian Journal of Agricultural Sciences, 92(12), 1480–1483.