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Potential Mechanisms Related To Salt Tolerance In Bean Plants, Sandra Baumgartner
Potential Mechanisms Related To Salt Tolerance In Bean Plants, Sandra Baumgartner
Masters Theses
Phaseolus vulgaris (navy bean) and P. acutifolius (tepary bean) were grown hydroponically and stressed with -0.25 MPa NaCl for 9 days beginning 22 days after planting. Chloride and sodium distribution in leaves and roots as well as percent ion leakage as an indication of membrane integrity in leaves were determined. Chloride levels in NaCl treated plants were significantly higher than in controls. Chloride levels were not significantly different between plant parts or between plant species. Sodium distribution differed significantly between the roots of navy and tepary but not between the leaves of the two species. Navy root tissue contained twice …