Effect of salt and water stress on RNA synthesis in the excised embryo axis of germinating mung bean (Phaseolus aureus ROXB).

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Abstract
The rate of synthesis of RNA was studied under salt and water stresses created by the addition of four different salts and polyethylene glycol-6000 (PEG-6000) in excised embryo axis of mung bean usingl4C-uracil. Iso-osmotio concentrations of salts and PEG resulted in differential effect on RNA synthesis. PEG inhibited, whereas salt stimulated incorporation of labelled uracil into RNA. Ionic differences on RNA synthesis were very clear as synthesis of RNA was more affected with sulphate than chloride and with sodium than potassium ions.