You are in:Home/Publications/Physiological studies on growth and salt tolerance of some fruit plants. 1- effect of different salts concentrations, sodium adsorption ratio (sar) and chloride levels (cl:so4 ratio) in irrigation water on vegetative growth and leaf photosynthetic pigments. Annals OF Agric. Sci., Moshtohor

Prof. Khaled Ali Ibrahim Bakry :: Publications:

Title:
Physiological studies on growth and salt tolerance of some fruit plants. 1- effect of different salts concentrations, sodium adsorption ratio (sar) and chloride levels (cl:so4 ratio) in irrigation water on vegetative growth and leaf photosynthetic pigments. Annals OF Agric. Sci., Moshtohor
Authors: Khamis, M.A., Bakry, Kh.A. and Ismaeil,E.A.
Year: 2008
Keywords: Not Available
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Local/International: Local
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Full paper Khaled Ali Ibrahim Bakry _27-PHYSIOLOGICAL STUDIES ON GROWTH AND SALT TOLERANCE OF SOME FRUIT PLANTS.doc
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Abstract:

This study covers the effect of the different concentrations of salts (2000, 4000 and 6000 ppm) combined with two levels from both SAR (3 & 6) and (low & high) of Cl:SO4 ratio, on some vegetative growth measurements and leaves photosynthetic pigments content (chlorophyll A, B and caroteinoids) of both beachilyfolia and communis pear rootstocks transplants during 2004 and 2005 consecutive seasons in the experimental farm at El-Kanater Horticultural Research Station. The obtained data concerning the specific effect revealed that all studied growth parameters (lengths of stem, root, total plant length and stem diameter) and dry weights of plant organs (leaves, stems, roots and total dry weight of plant) as well as leaf photosynthetic pigments content i.e., (chlorophyll A, B and caroteinoids), all being progressively decreased by all the used salinity concentrations and increasing both SAR from 3 to 6 and Cl:SO4 ratio from low to high in irrigation water as compared to the control (transplants irrigated with tap water). Moreover, the most depressive effect was more pronounced with the highest salts concentrations (6000 ppm) and two higher levels of either SAR or Cl:SO4 ratio in irrigation water. Furthermore, with regard to the interaction effect of three investigated factors, data indicated that the specific effect of any studied factor in this investigation was directly reflected on the interaction effect of its combinations. However transplants irrigated with the higher salts concentration combined with the higher levels of both SAR and Cl:SO4 ratio i.e., (6000 ppm x SAR6 x higher Cl:SO4 ratio) exhibited statistically the greatest rate of reduction in all abovementioned studied characters. Whereas, the least decrease was always in concomitant to such those irrigated with (2000 ppm x SAR3 x lower or Cl:SO4 ratio). In addition, the other combinations were in between the aforesaid two extremes for both beachilyfolia and communis pear rootstocks during the two experimental seasons of study.

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