Article (Scientific journals)
Salt stress affects mineral nutrition in shoots and roots and chlorophyll a fluorescence of tomato plants grown in hydroponic culture
Loudari, Aicha; Benadis, Chahinez; Naciri, Rachida et al.
2020In Journal of Plant Interactions, 15 (1), p. 398-405
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Keywords :
Mineral content; nutrients uptake; photosystem; root morphology
Abstract :
[en] Salt stress is considered one of the major constraints limiting plant growth. Here, tomato plants were grown in hydroponic culture with two salt sodium chloride concentrations (S1 = 2.8 dS m−1 and S2 = 4.8 dS m−1). Under salt treatment, a significant decrease in chlorophyll content index and shoot and root dry weight were observed. We found that copper (Cu) was accumulated significantly in the shoot and sodium (Na) was significantly accumulated in the root. Furthermore, a significant nutrient imbalance indicated by a decrease in phosphorus (P), and potassium (K) uptake was measured. These decreases were accompanied by an increase in Na and Cu contents. A decrease in chlorophyll fluorescence yield was also observed indicating an inhibition at photosystem I acceptor sites. It seems that the downregulation of the electron transport between photosystem II and photosystem II under salt stress could be due to an imbalance in nutrient uptake.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Loudari, Aicha  ;  University Mohammed VI Polytechnic -UM6P/ Université de Liège - ULiège > Plant stress Physiology Lab / TERRA Research Center
Benadis, Chahinez;  University Mohammed VI Polytechnic -UM6P
Naciri, Rachida;  University Mohammed VI Polytechnic -UM6P
Soulaimani, Aziz;  University Mohammed VI Polytechnic -UM6P
Zeroual, Youssef;  University Mohammed VI Polytechnic -UM6P
El Gharous, Mohamed;  University Mohammed VI Polytechnic -UM6P
Kalaji, Hazem M.;  Institute of Biology, Faculty of Agriculture and Biology, Warsaw University of Life Sciences – SGGW, > Department of Plant Physiology
Oukarroum, Abdallah;  University Mohammed VI Polytechnic -UM6P
Language :
English
Title :
Salt stress affects mineral nutrition in shoots and roots and chlorophyll a fluorescence of tomato plants grown in hydroponic culture
Alternative titles :
[fr] Le stress salin affecte la nutrition minérale des pousses et des racines et la fluorescence de la chlorophylle a des plantes de tomates cultivés en hydroponie
Publication date :
11 November 2020
Journal title :
Journal of Plant Interactions
ISSN :
1742-9145
eISSN :
1742-9153
Publisher :
Taylor and Francis, Abingdon, United Kingdom
Volume :
15
Issue :
1
Pages :
398-405
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
SoilPhorLife
Funders :
University Mohammed VI Polytechnic -UM6P (Morocco)
Available on ORBi :
since 22 December 2021

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