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Plant Physiol Biochem. 2021 Mar;160:257-268. doi: 10.1016/j.plaphy.2021.01.028. Epub 2021 Jan 23.

Nanoparticles potentially mediate salt stress tolerance in plants.

Plant physiology and biochemistry : PPB

Faisal Zulfiqar, Muhammad Ashraf

Affiliations

  1. Institute of Horticultural Sciences, Faculty of Agriculture, University of Agriculture Faisalabad, Pakistan. Electronic address: [email protected].
  2. University of Agriculture Faisalabad Pakistan, Pakistan.

PMID: 33529801 DOI: 10.1016/j.plaphy.2021.01.028

Abstract

In the era of climate change, salt stress is a promising threat to agriculture, limiting crop production via imposing primary effects such as osmotic and ionic, as well as secondary effects such as oxidative stress, perturbance in hormonal homeostasis, and nutrient imbalance. On the other hand, production areas are expanding into the salt affected regions due to excessive pressure for fulfilling food security targets to meet the needs of continuously increasing human population. Accumulating evidences demonstrate that supplementation of nanoparticles to plants can significantly alleviate the injurious effects caused by various harsh conditions including salt stress, and hence, regulate adaptive mechanisms in plants. Various types of NPs and nanofertilizers have shown a promising evidence so far regarding salt stress management. In this review, we recapitulate recent pioneering progress made towards acquiring salt stress tolerance in crop plants utilizing NPs. Finally, future research directions in this domain to explicate the comprehensive roles of nanoparticles in improving salt tolerance in plants are underscored. To ensure social acceptance and safe use of NPs, some conclusive directions have been elaborated in order to achieve sustainable progress in crop production under saline environments.

Copyright © 2021 Elsevier Masson SAS. All rights reserved.

Keywords: Agriculture; Antioxidant defense; Ion and osmotic homeostasis; Nanotechnology; Oxidative stress; Salt adaptation; Salt stress

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