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Prof. Khaled Ali Ibrahim Bakry :: Publications:

Title:
Studies on Possibility of Alleviating Salt Hazard in Some Leaf Physiological and Anatomical Characteristics of Picual Olive Treatments
Authors: 1Sharaf, M. M., 1Khamis, M.A, 1Bakry, KH. A., 2Saaed W.T and 2EL-Tarawy, O.M.
Year: 2017
Keywords: Olive, saline water, anti-salt substances, leaf physiological
Journal: Middle East Journal of Agriculture Research
Volume: 6
Issue: 1
Pages: 33-44
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Khaled Ali Ibrahim Bakry _45- Studies on Possibility of Alleviating Salt Hazard in Some Leaf Physiological.pdf
Supplementary materials Not Available
Abstract:

substances (Rizobacterine, Phosphorine, R-Humic, magnetic iron and potassium silicate either solely or in combination), besides tap water irrigation (control) were investigation during 2014 & 2015 experimental seasons regarding their influence on some leaf physiological characteristics (two seasons) and leaf anatomical features (1st season only). Data obtained during both seasons pertaining the response of three evaluated leaf physiological characteristics to salt stress revealed that two conflicted trends were detected. Herein, both leaf water potential (LWP) and leaf succulence grade (LSG) were significantly decreased by salinity as compared to control (tap water irrigation), however the reverse was found with hard leaf character (HLC). Moreover, all alleviating treatments succeeded for repairing partially such salinity disorders and subjected salt stressed transplants to the potassium silicate spray combined with magnetic iron was more effective, in spite of differences between all alleviating treatments were in most cases statistically absent. As for the response of anatomical structures to salinity, three trench were detected i.e., 1- salinity increased (thickness of cuticle & epidermis layers at both leaf surfaces and No of trichomes at lower epidermis), 2- deceased (midrib vascular bundle length & width, thickness of spongy tissues phloem and xylem area and number of both xylem rows in vascular bundle and vassels per each row) and 3- no changes in number of two mesophyll elements (palisade & spongy tissues) particularly 2nd. On the other hand in most cases all alleviating treatments succeeded considerately to correct partially changes in affected anatomical features by salinity, however recovering treatment of potassium silicate spray + magnetic iron tended relatively to be more effective with no significant differences than other recovering treatments.

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