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IJMS, Vol. 19, Pages 1856: Boron: Functions and Approaches to Enhance Its Availability in Plants for Sustainable Agriculture

IJMS, Vol. 19, Pages 1856: Boron: Functions and Approaches to Enhance Its Availability in Plants for Sustainable Agriculture

International Journal of Molecular Sciences doi: 10.3390/ijms19071856

Authors: Fareeha Shireen Muhammad Azher Nawaz Chen Chen Qikai Zhang Zuhua Zheng Hamza Sohail Jingyu Sun Haishun Cao Yuan Huang Zhilong Bie

Boron (B) is an essential trace element required for the physiological functioning of higher plants. B deficiency is considered as a nutritional disorder that adversely affects the metabolism and growth of plants. B is involved in the structural and functional integrity of the cell wall and membranes, ion fluxes (H+, K+, PO43−, Rb+, Ca2+) across the membranes, cell division and elongation, nitrogen and carbohydrate metabolism, sugar transport, cytoskeletal proteins, and plasmalemma-bound enzymes, nucleic acid, indoleacetic acid, polyamines, ascorbic acid, and phenol metabolism and transport. This review critically examines the functions of B in plants, deficiency symptoms, and the mechanism of B uptake and transport under limited B conditions. B deficiency can be mitigated by inorganic fertilizer supplementation, but the deleterious impact of frequent fertilizer application disrupts soil fertility and creates environmental pollution. Considering this, we have summarized the available information regarding alternative approaches, such as root structural modification, grafting, application of biostimulators (mycorrhizal fungi (MF) and rhizobacteria), and nanotechnology, that can be effectively utilized for B acquisition, leading to resource conservation. Additionally, we have discussed several new aspects, such as the combination of grafting or MF with nanotechnology, combined inoculation of arbuscular MF and rhizobacteria, melatonin application, and the use of natural and synthetic chelators, that possibly play a role in B uptake and translocation under B stress conditions.

Authors:   Shireen, Fareeha ; Nawaz, Muhammad Azher; Chen, Chen ; Zhang, Qikai ; Zheng, Zuhua ; Sohail, Hamza ; Sun, Jingyu ; Cao, Haishun ; Huang, Yuan ; Bie, Zhilong
Journal:   International Journal of Molecular Sciences
Volume:   19
edition:   7
Year:   2018
Pages:   1856
DOI:   10.3390/ijms19071856
Publication date:   24-Jun-2018
Facts, background information, dossiers
  • plants
  • metabolism
  • stress
  • proteins
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