Functional Aspects of the Salt Glands of the Plumbaginaceae |
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Authors: | FARADAY, CHRISTOPHER D. THOMSON, WILLIAM W. |
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Abstract: | X-ray microanalysis and diffuse reflectance infrared Fouriertransform spectrometry were used to determine the presence andratios of elements in salt secretions from salt glands of greenhouseand experimentally-manipulated leaves of five species of thePlumbaginaceae Sodium, magnesium, silica, sulphur, phosphorus,chloride, potassium, calcium and carbonate were detected insecretions of greenhouse-grown plants. The salt glands of excisedleaves challenged by solutions of KI, KCl, NaCl, Na2SO4, MgCl2and MgSO4 secreted principally the ions of the challenging solutions. Key words: Ion transport, secretion |
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