STRUCTURAL AND PHYSIOLOGICAL RESPONSES OF ROSEMARY (Rosemarinus officinalis, L.) PLANTS UNDER SALINITY CONDITIONS
El-Boraie,, E., El- Hindi, K., Foudaa, R. (2006). STRUCTURAL AND PHYSIOLOGICAL RESPONSES OF ROSEMARY (Rosemarinus officinalis, L.) PLANTS UNDER SALINITY CONDITIONS. EKB Journal Management System, 31(9), 5881-5898. doi: 10.21608/jpp.2006.236173
E. A. El-Boraie,; K. M. El- Hindi; R. A. Foudaa. "STRUCTURAL AND PHYSIOLOGICAL RESPONSES OF ROSEMARY (Rosemarinus officinalis, L.) PLANTS UNDER SALINITY CONDITIONS". EKB Journal Management System, 31, 9, 2006, 5881-5898. doi: 10.21608/jpp.2006.236173
El-Boraie,, E., El- Hindi, K., Foudaa, R. (2006). 'STRUCTURAL AND PHYSIOLOGICAL RESPONSES OF ROSEMARY (Rosemarinus officinalis, L.) PLANTS UNDER SALINITY CONDITIONS', EKB Journal Management System, 31(9), pp. 5881-5898. doi: 10.21608/jpp.2006.236173
El-Boraie,, E., El- Hindi, K., Foudaa, R. STRUCTURAL AND PHYSIOLOGICAL RESPONSES OF ROSEMARY (Rosemarinus officinalis, L.) PLANTS UNDER SALINITY CONDITIONS. EKB Journal Management System, 2006; 31(9): 5881-5898. doi: 10.21608/jpp.2006.236173

STRUCTURAL AND PHYSIOLOGICAL RESPONSES OF ROSEMARY (Rosemarinus officinalis, L.) PLANTS UNDER SALINITY CONDITIONS

Journal of Plant Production
Article 12, Volume 31, Issue 9, September 2006, Page 5881-5898  XML PDF (252.87 K)
Document Type: Original Article
DOI: 10.21608/jpp.2006.236173
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Authors
E. A. El-Boraie,1; K. M. El- Hindi2; R. A. Foudaa3
1Plant Production Dept.I High lnst. Eff. Prod... Zagazig Univ.
2Vegetable and Floriculture Dept, Fac. Agric., Mansoura Univ.
3Agric. Botany Dept, Fac. Agric., Mansoura Univ.
Abstract
A pot experiments were carried out during two successive seasons of
200312004 and 2004i2005 at the Experimental Station of Medicinal and Aromatic
Plants, Fac. of Agric., Mansoura Univ., to study the effect of different salinity level of
diluted sea water (2.5, 5 and 10%), which were equivalent to the application of 825,
1650 and 3300 ppm, respectively on growth, oil content, oil components and chemical
composition of rosemary (Rosemarinus officinaiis. L.). Whereas control plants were
irrigated with tap water.
The results showed that increasing salinity levels reduced all growth traits
(plant height, number of branchesiplant, herbage fresh and dry weights) compared to
the control. All saline water treatments decreased the content of chlorophylls a and b,
oil percentage and essential oil yieldiplant, as well as K percentage and K: Na ratio in
herb, during the cuts harvested, in both seasons. Reducing, non-reducing and total
soluble sugars (“/u), free proline content (moleig F.W.) and Na and Cl percentages in
herb showed opposite trend. Gas liquid chromatography analysis of samples
revealed seventh identified compounds. Salinity had a clear effect on the chemical
composition of the extracted rosemary oil, since some of the major constituents
increased such as c-Terpinene, Cineole, Linalool and Bornaol. While, P-cymene and
Thymol decreased with the higher salinity levels.
Anatomically, salinity decreased stem diameter, cortex thickness, phloem,
xylem and pith tissues thickness. Width of cambial zone were also decreased.
Moreover, salinity decreased leaf thickness, palisade and spongy tissues thickness,
midvein vascular bundle dimension as well as xylem and phloem tissues thickness.
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