Effect of salinity on growth, mineral ions and organic solutes contents in Artemisia monosperma

Zayed, M. A. (2006) Effect of salinity on growth, mineral ions and organic solutes contents in Artemisia monosperma. Acta Botanica Hungarica, 48 (1-2). pp. 213-220. ISSN 0236-6495

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Abstract

The effect of different concentration of NaCl on growth, mineral ions and organic solutes content of Artemisia monosperma were investigated. Experimental measurements were made after 70 days of growth in vessels containing Hoagland nutrient solution under controlled climatic conditions. Increased salt stress decreased dry mass, length of shoot and root as well. At the same time, the osmotic potential of NaCl had a great effect on the shoot/root ratio. The root initials also increased and the number of root initials decreased by increasing NaCl concentrations up to 0.4 MPa. It was also observed that proline, saccharide, and soluble protein contents increased in the shoot sap of the investigated plant. Glycolic, fumaric, tartaric, and succinic acid were clearly affected by increasing salinity in the nutrient solution, whereas oxalic and citric acids were significantly increased up 8.5 and 12 times of the control samples.

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