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Influence of short-term osmotic stress on the photosynthetic activity of barley seedlings |
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| Authors: | |
| Institution: | (1) Institute of Plant Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 21, BG-1113 Sofia, Bulgaria;(2) Institute of Biophysics, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Bl. 21, BG-1113 Sofia, Bulgaria;(3) Biological Faculty, University of Sofia, 8 D. Tsankov Blvd., BG-1164 Sofia, Bulgaria |
| Abstract: | Oxygen evolution and chlorophyll a fluorescence transients of two barley (Hordeum vulgare L) cultivars subjected to polyethylene glycol induced osmotic stress was examined. The relative water content of the plants was used as a measure of their water status. The results suggested that although dehydration was considerable, photosystem 2 was weakly affected by the osmotic treatment. |
| Keywords: | chlorophyll fluorescence Hordeum vulgare oxygen evolution polyethylene glycol 8000 relative water content |
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