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https://open.uns.ac.rs/handle/123456789/9788
Title: | Growth, ion composition, and stomatal conductance of peas exposed to salinity | Authors: | Maksimović, Ivana Putnik-Delić, Marina Gani I. Marić J. Ilin, Žarko |
Issue Date: | 7-Jun-2010 | Journal: | Central European Journal of Biology | Abstract: | Availability of irrigation water of appropriate quality is becoming critical in many regions. Excess salt in irrigation water represents a risk for crop yield, crop quality, and soil properties. During the short vegetation period, field peas require high amounts of water, and irrigation is often indispensable for successful production. Steady presence of NaCl (0.1, 0.2, 0.6 or 1.2 g NaCl L-1 in 1/2 strength Hoagland nutrient solution) under semi-controlled conditions reduced growth and resulted in shorter vegetation. Disturbances in the peas' water regime were provoked by NaCl, as water content in pea tissues was reduced and stomatal density and stomatal diffusive resistance increased in the presence of higher NaCl concentrations. Concentration of Na+ increased in all pea tissues with increased NaCl concentration in the nutrient medium. In the presence of NaCl, concentrations of K+, Ca2+ and Pi increased in roots, stems and leaves, and decreased and in pods and grains. Concentration ratios Na+/K+, Na+/Ca2+, K+/Ca2+ and (Na++K+)/Ca2+ in various plant parts were affected as well, but magnitudes of changes were variable. Continuous presence of NaCl in concentrations frequently met in irrigation waters significantly reduced pea growth, impaired the water regime, and altered plant chemical composition. © 2010 Versita Warsaw and Springer-Verlag Wien. | URI: | https://open.uns.ac.rs/handle/123456789/9788 | ISSN: | 1895104X | DOI: | 10.2478/s11535-010-0052-y |
Appears in Collections: | POLJF Publikacije/Publications |
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