A Pressure-Volume Analysis of Solanum melongena Leaves |
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Authors: | EAMUS, D NARAYAN, A |
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Abstract: | A pressure-volume analysis of aubergine (Solanum melongena)leaves following water stress was undertaken to determine apossible role of changes in cellular water relations in influencingstomatal conductance responses to water stress. A comparisonof two methods of rehydrating the leaves was also undertaken.It was shown that the rehydration of excised leaves did notreveal osmoregulation, whilst rehydration of intact plants didreveal osmoregulation following water stress. An increase inthe bulk volumetric elastic modulus and the bound water fractionalso occurred in response to water stress. These results arediscussed in relation to pressure-volume technique and stomatalconductance responses to drought. Key words: P-V analysis, water stress, Solanum melongena |
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