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29.08.2022 | Original Article / Originalbeitrag

Gibberellic Acid and Indole Acetic Acid Improves Salt Tolerance in Transgenic Tomato Plants Overexpressing LeNHX4 Antiporter

verfasst von: Mourad Baghour, Mustapha Akodad, Anas Dariouche, Mostapha Maach, Hamza El Haddaji, Abdelmajid Moumen, Ali Skalli, Kees Venema, María Pilar Rodríguez-Rosales

Erschienen in: Journal of Crop Health | Ausgabe 3/2023

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Abstract

Salinity is the major environmental factor that limits plant growth and productivity. High concentrations of Na+ and Cl ions in soil solution negatively affect K+ uptake and may cause physiological and metabolic disorders, which adversely affect the plant growth and crop yield. In plants, NHX antiporters play an important role in salt tolerance by catalyzing Na+ accumulation in vacuoles. In this work, we studied the effect of exogenous plants hormones auxin (IAA) and gibberellic acid (GA3), on salinity tolerance, fruit production and quality in transgenic tomato plants overexpressing LeNHX4 antiporter grown under 125 mM NaCl. Here, we have found that IAA and GA3 positively affected leaf proline, glucose, soluble proteins and ortho-diphenol. In addition, both hormones increased tomato production and fruit quality parameters. These results suggest that GA3 and IAA improved salinity tolerance and increased fruit yield and quality, probably by increasing the expression or the activity of LeNHX4 antiporter.

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Metadaten
Titel
Gibberellic Acid and Indole Acetic Acid Improves Salt Tolerance in Transgenic Tomato Plants Overexpressing LeNHX4 Antiporter
verfasst von
Mourad Baghour
Mustapha Akodad
Anas Dariouche
Mostapha Maach
Hamza El Haddaji
Abdelmajid Moumen
Ali Skalli
Kees Venema
María Pilar Rodríguez-Rosales
Publikationsdatum
29.08.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
Journal of Crop Health / Ausgabe 3/2023
Print ISSN: 2948-264X
Elektronische ISSN: 2948-2658
DOI
https://doi.org/10.1007/s10343-022-00734-y

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