Role of abscisic acid in the closure of stomata in some arid zone plant species |
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| Authors: | D. N. Sen D. D. Chawan |
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| Affiliation: | 1. Department of Botany, University of Jodhpur, 342001, Jodhpur, India
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| Abstract: | Initially closed stomata in isolated leaf epidermal peelings ofCalotropis procera, Prosopis cineraria andTephrosia purpurea, opened when incubated in distilled water in light or in darkness. Water-induced open stomata closed down on incubation in abscisic acid (0.01 ppm) solution within half an hour. Sodium chloride induced the opening of stomatal aperture. NaCl-induced open stomata also completely closed down when incubated in abscisic acid solution, but open again when transferred to NaCl. |
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