Ramachandran , M. et al. 2022. Exogenous foliar application of abscisic acid on polyethylene glycol induced drought by improving the morphological and biochemical characters of four rice (Oryza sativa L.) varieties. Plant Science Today. 9, 2 (Apr. 2022), 272–280. DOI:https://doi.org/10.14719/pst.1396.