The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative Approach

Quinoa’s exceptional capacity to tolerate high salt levels presents a promising solution to the agricultural challenges posed by salt stress. This study aimed to explore salt stress effects on three quinoa accessions (18 GR, R-132, and DE-1) and to compare the influence of greenhouse and field growi...

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Main Authors: Narmine Slimani, Soumaya Arraouadi, Hafedh Hajlaoui, Mohamed Ali Borgi, Nour El Houda Boughattas, Vincenzo De Feo, Mejdi Snoussi
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/13/9/2303
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author Narmine Slimani
Soumaya Arraouadi
Hafedh Hajlaoui
Mohamed Ali Borgi
Nour El Houda Boughattas
Vincenzo De Feo
Mejdi Snoussi
author_facet Narmine Slimani
Soumaya Arraouadi
Hafedh Hajlaoui
Mohamed Ali Borgi
Nour El Houda Boughattas
Vincenzo De Feo
Mejdi Snoussi
author_sort Narmine Slimani
collection DOAJ
description Quinoa’s exceptional capacity to tolerate high salt levels presents a promising solution to the agricultural challenges posed by salt stress. This study aimed to explore salt stress effects on three quinoa accessions (18 GR, R-132, and DE-1) and to compare the influence of greenhouse and field growing conditions on their salinity tolerance. The plants were irrigated by 50, 100, 150, and 200 mM NaCl concentrations. The results showed that quinoa plants’ response to morphological, physiological, biochemical, and enzymatic parameters was influenced by NaCl concentration, accession, growing conditions, and their interactions. As salinity irrigation increased, aerial part length and leaf area decreased significantly (<i>p</i> < 0.05) for all studied accessions, correlating with plant photosynthetic parameters. Greenhouse conditions promote faster and more vigorous growth with a larger leaf area compared to field cultivation. Furthermore, at 200 mM concentration, the DE-1 accession displayed greater photosynthetic activity, recording values of 195.66 ± 3.56 and 120 ± 1.13 µmol·m<sup>−2</sup>·s<sup>−1</sup> for greenhouse and open field conditions, respectively. NaCl stimulated MDA and H<sub>2</sub>O<sub>2</sub> in both conditions for all accessions, and the DE-1 accession displayed the lowest levels. Proteins, sugars, proline, peroxidase, ascorbate peroxidase, and catalase were stimulated by salt stress, except in the R-132 accession. Field cultivation resulted in a more severe salinity response. Greenhouse conditions may enhance quinoa’s salt tolerance due to the less demanding growth conditions. DE-1 exhibited the highest salt tolerance, while R-132 showed the lowest. This study sets the stage for further research into the genetic basis of salt tolerance in various quinoa accessions, optimizing growth in salty regions through farming practices, and confirming the obtained results in real-world conditions for sustainable agriculture.
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spelling doaj.art-a8c7e1ac400c48959c0649f2fad5fccb2023-11-19T09:10:25ZengMDPI AGAgronomy2073-43952023-08-01139230310.3390/agronomy13092303The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative ApproachNarmine Slimani0Soumaya Arraouadi1Hafedh Hajlaoui2Mohamed Ali Borgi3Nour El Houda Boughattas4Vincenzo De Feo5Mejdi Snoussi6Laboratory of Biotechnology and Bio-Monitoring of the Environment and Oasis Ecosystems, Department of Life Sciences, Faculty of Sciences of Gafsa, Sidi Ahmed Zarroug University Campus, Gafsa 2112, TunisiaRegional Center of Agricultural Research (CRRA) Sidi Bouzid, Gafsa Road Km 5, PB 357, Sidi Bouzid 9100, TunisiaFaculty of Sciences and Technology of Sidi Bouzid, University of Kairouan, Campus University Agricultural City, Sidi Bouzid 9100, TunisiaLaboratory of Biotechnology and Bio-Monitoring of the Environment and Oasis Ecosystems, Department of Life Sciences, Faculty of Sciences of Gafsa, Sidi Ahmed Zarroug University Campus, Gafsa 2112, TunisiaHigher Institute of Agronomy of Chott-Mariem, University of Sousse, P.B 47 Chott Mériem, Sousse 4042, TunisiaDepartment of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, ItalyDepartment of Biology, College of Science, Hail University, P.O. Box 2440, Ha’il 2440, Saudi ArabiaQuinoa’s exceptional capacity to tolerate high salt levels presents a promising solution to the agricultural challenges posed by salt stress. This study aimed to explore salt stress effects on three quinoa accessions (18 GR, R-132, and DE-1) and to compare the influence of greenhouse and field growing conditions on their salinity tolerance. The plants were irrigated by 50, 100, 150, and 200 mM NaCl concentrations. The results showed that quinoa plants’ response to morphological, physiological, biochemical, and enzymatic parameters was influenced by NaCl concentration, accession, growing conditions, and their interactions. As salinity irrigation increased, aerial part length and leaf area decreased significantly (<i>p</i> < 0.05) for all studied accessions, correlating with plant photosynthetic parameters. Greenhouse conditions promote faster and more vigorous growth with a larger leaf area compared to field cultivation. Furthermore, at 200 mM concentration, the DE-1 accession displayed greater photosynthetic activity, recording values of 195.66 ± 3.56 and 120 ± 1.13 µmol·m<sup>−2</sup>·s<sup>−1</sup> for greenhouse and open field conditions, respectively. NaCl stimulated MDA and H<sub>2</sub>O<sub>2</sub> in both conditions for all accessions, and the DE-1 accession displayed the lowest levels. Proteins, sugars, proline, peroxidase, ascorbate peroxidase, and catalase were stimulated by salt stress, except in the R-132 accession. Field cultivation resulted in a more severe salinity response. Greenhouse conditions may enhance quinoa’s salt tolerance due to the less demanding growth conditions. DE-1 exhibited the highest salt tolerance, while R-132 showed the lowest. This study sets the stage for further research into the genetic basis of salt tolerance in various quinoa accessions, optimizing growth in salty regions through farming practices, and confirming the obtained results in real-world conditions for sustainable agriculture.https://www.mdpi.com/2073-4395/13/9/2303<i>Chenopodium quinoa</i>NaCl stressmorphologicalphysiologicalbiochemical parametersgreenhouse
spellingShingle Narmine Slimani
Soumaya Arraouadi
Hafedh Hajlaoui
Mohamed Ali Borgi
Nour El Houda Boughattas
Vincenzo De Feo
Mejdi Snoussi
The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative Approach
Agronomy
<i>Chenopodium quinoa</i>
NaCl stress
morphological
physiological
biochemical parameters
greenhouse
title The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative Approach
title_full The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative Approach
title_fullStr The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative Approach
title_full_unstemmed The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative Approach
title_short The Impact of Greenhouse and Field Growth Conditions on <i>Chenopodium quinoa</i> Willd Accessions’ Response to Salt Stress: A Comparative Approach
title_sort impact of greenhouse and field growth conditions on i chenopodium quinoa i willd accessions response to salt stress a comparative approach
topic <i>Chenopodium quinoa</i>
NaCl stress
morphological
physiological
biochemical parameters
greenhouse
url https://www.mdpi.com/2073-4395/13/9/2303
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