Cytokinin and gibberellic acid-mediated waterlogging tolerance of mungbean (Vigna radiata L. Wilczek)

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dc.creatorIslam, M. Rafiqul
dc.creatorRahman, M. Mezanur (TTU)
dc.creatorMohi-Ud-Din, Mohammed
dc.creatorAkter, Munny
dc.creatorZaman, Erin
dc.creatorKeya, Sanjida Sultana (TTU)
dc.creatorHasan, Mehfuz
dc.creatorHasanuzzaman, Mirza
dc.date.accessioned2023-04-13T17:21:27Z
dc.date.available2023-04-13T17:21:27Z
dc.date.issued2022
dc.description© 2022 Islam et al. cc-by
dc.description.abstractBackground: Mungbean (Vigna radiata L. Wilczek) is one of the most important pulse crops, well-known for its protein-rich seeds. Growth and productivity are severely undermined by waterlogging. Methods: In this study, we aim to evaluate how two promising phytohormones, namely cytokinin (CK) and gibberellic acid (GA3), can improve waterlogging tolerance in mungbean by investigating key morphological, physiological, biochemical, and yield-related attributes. Results: Our results showed that foliar application of CK and GA3 under 5-day of waterlogged conditions improved mungbean growth and biomass, which was associated with increased levels of photosynthetic rate and pigments. Waterloggedinduced accumulation of reactive oxygen species and the consequently elevated levels of malondialdehyde were considerably reduced by CK and GA3 treatments. Mungbean plants sprayed with either CK or GA3 suffered less oxidative stress due to the enhancement of total phenolics and flavonoids levels. Improvement in the contents of proline and total soluble sugars indicated a better osmotic adjustment following CK and GA3 treatments in waterlogged-exposed plants. Most fundamentally, CK or GA3-sprayed waterlogged-stressed mungbean plants demonstrated better performance in the aforementioned parameters after the 15-day recovery period as compared to water-sprayed waterlogged-exposed plants. Our results also revealed that CK and GA3 treatments increased yield-associated features in the waterlogged-stressed plant. Here, both phytohormones are efficient in improving mungbean resistance to waterlogging. However, CK was found to be more effective. Overall, our findings suggested that CK or GA3 could be used for managing waterlogging-induced damage to mungbean and perhaps in other cash crops.
dc.identifier.citationIslam, M.R., Rahman, M.M., Mohi-Ud-Din, M., Akter, M., Zaman, E., Keya, S.S., Hasan, M., & Hasanuzzaman, M.. 2022. Cytokinin and gibberellic acid-mediated waterlogging tolerance of mungbean (Vigna radiata L. Wilczek). PeerJ, 10. https://doi.org/10.7717/peerj.12862
dc.identifier.urihttps://doi.org/10.7717/peerj.12862
dc.identifier.urihttps://hdl.handle.net/2346/92765
dc.language.isoeng
dc.subjectAntioxidants
dc.subjectHypoxia
dc.subjectOsmoprotectants
dc.subjectPhotosynthesis
dc.subjectPhytohormone
dc.subjectPulse crop
dc.subjectReactive oxygen species
dc.subjectYield
dc.titleCytokinin and gibberellic acid-mediated waterlogging tolerance of mungbean (Vigna radiata L. Wilczek)
dc.typeArticle

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