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Chemical priming enhances plant tolerance to salt stress

Zulfiqar, Faisal; Nafees, Muhammad; Chen, Jianjun; Darras, Anastasios; Ferrante, Antonio; Hancock, John T.; Ashraf, Muhammad; Zaid, Abbu; Latif, Nadeem; Corpas, Francisco J.; Altaf, Muhammad Ahsan; Siddique, Kadambot H.M.

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Authors

Faisal Zulfiqar

Muhammad Nafees

Jianjun Chen

Anastasios Darras

Antonio Ferrante

Profile image of John Hancock

John Hancock John.Hancock@uwe.ac.uk
Professor in Cell Signalling

Muhammad Ashraf

Abbu Zaid

Nadeem Latif

Francisco J. Corpas

Muhammad Ahsan Altaf

Kadambot H.M. Siddique



Abstract

Salt stress severely limits the productivity of crop plants worldwide and its detrimental effects are aggravated by climate change. Due to a significant world population growth, agriculture has expanded to marginal and salinized regions, which usually render low crop yield. In this context, finding methods and strategies to improve plant tolerance against salt stress is of utmost importance to fulfill food security challenges under the scenario of the ever-increasing human population. Plant priming, at different stages of plant development, such as seed or seedling, has gained significant attention for its marked implication in crop salt-stress management. It is a promising field relying on the applications of specific chemical agents which could effectively improve plant salt-stress tolerance. Currently, a variety of chemicals, both inorganic and organic, which can efficiently promote plant growth and crop yield are available in the market. This review summarizes our current knowledge of the promising roles of diverse molecules/compounds, such as hydrogen sulfide (H2S), molecular hydrogen, nitric oxide (NO), hydrogen peroxide (H2O2), melatonin, chitosan, silicon, ascorbic acid (AsA), tocopherols, and trehalose (Tre) as potential primers that enhance the salinity tolerance of crop plants.

Journal Article Type Review
Acceptance Date Jul 25, 2022
Online Publication Date Sep 7, 2022
Publication Date Sep 7, 2022
Deposit Date Sep 8, 2022
Publicly Available Date Sep 8, 2022
Journal Frontiers in Plant Science
Electronic ISSN 1664-462X
Publisher Frontiers Media
Peer Reviewed Peer Reviewed
Volume 13
Pages 946922
DOI https://doi.org/10.3389/fpls.2022.946922
Keywords Plant Science, antioxidants, bioregulator, hydrogen peroxide, hydrogen sulfide, nitric oxide, chitosan, molecular hydrogen, thiamine
Public URL https://uwe-repository.worktribe.com/output/9958728
Publisher URL https://www.frontiersin.org/articles/10.3389/fpls.2022.946922/full#h9

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Copyright Statement
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.






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