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Indian Journal of Ecology
Year : 2020, Volume : 47, Issue : 2
First page : ( 378) Last page : ( 382)
Print ISSN : 0304-5250.

Effect of salycilic acid on antioxidant enzymes and biochemical contents of date palm plantlets (Phoenix dactylifera L.) under salt stress conditions

Jasim Naji Salim, Ati Muntaha Abd-A.*

Date Palm Research Center-Basrah University, Basrah, Iraq

*E-mail: ahmidnaji916@gmail.com

Online published on 19 September, 2020.

Abstract

The study was conducted to observe the effect of Salicylic acid (SA) on physiological and biochemical changes in date palm plantlets. Plantlets were irrigated water with different concentrations of salt stress (10, 15 and 20 ds m−1), while the control treatment wasirrigated by tap water only. The salt concentration significantly decreased chloroplast pigments, total chlorophyll and carotenoid, total soluble carbohydrates compared with increased levels of proline contents and antioxidant activities (catalase and peroxidase). The treatments of date palm plantlets with salicylic acid (1.5 mm) under salt conditions led to increase of leaf chemical composition and antioxidant enzymes activity, catalase and peroxidase compared with treatments under salt stress only and control.

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Keywords

Date palm plantlets, Salicylic acid, Salinity, Antioxidant enzymes, Chlorophyll, Carotenoid.

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