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Effect of sodium nitroprusside (SNP) on physiological and biological responses of olive (Olea europaea cv. Conservolia) under water stress

B.Elhami, F. Zaare-Nahandi, S. Jahanbakhsh-Godehkahriz

Department of Horticultural Sciences, Faculty of Agriculture, University of Tabriz, Tabriz, Iran

Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil, Iran

Key words: Water stress, Sodium nitroprusside, Antioxidants, Proline, Water relations.

Abstract

olive-oilWater deficit is the major environmental stress limiting agriculture worldwide by inducing physiological, morphological and biochemical changes in plants. This study was carried out to investigate the protective role of exogenous sodium nitroprusside (SNP) on alleviation of water stress in olive (cv. Conservolia). Our results showed that water deficit (D2 treatment) significantly decrease gs and RWC while increase peroxidase and polyphenol oxidase activity and proline content compared with D1 treatment. However, peroxidase and polyphenol oxidase activity, RWC and proline content were improved by the application of SNP (the forth levels of SNP). Also, SNP treated plants showed the lower gs. Hence, these findings suggested that SNP treatment could be used as a simple, practical and inexpensive method for modulating the negative effects of water deficit in olive.

Get the original articles: http://www.innspub.net/volume-6-number-4-february-2015-ijb/

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