Journal of Stress Physiology & Biochemistry, Vol. 19, No. 4, 2023, pp. 71-78       ISSN 1997-0838
Original Text Copyright (cc) 2023 by   Reshmi G. R.

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Effect of osmotic stress on seed germination and seedling characters of Mung bean [Vigna radiata (L.) Wildzek]

Reshmi G. R.

Department of Botany, Union Christian College, Aluva-683102, Ernakulam, India


Received June 9, 2023

The Screening of osmotic stress was undertaken to investigate the effect of water stress and salinity stress on the seeds of mung bean (Vigna radiata (L.) Wilczek) and its responses to drought tolerance at seedling stage. Water stress was simulated by non-ionic water-soluble polymer polyethylene glycol of molecular weight 6000 and salinity stress was induced with NaCl. The experiment demonstrated that osmotic stress caused by NaCl and PEG has a negative impact on the germination rate and seedling growth of Vigna radiata. Both NaCl and PEG inhibited germination and seedling growth in mung bean, but the effects of NaCl compared to PEG was less on germination and seedling growth.

Key words:    NaCl, Osmotic stress, PEG, Seed germination

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