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Title: Impact of salinity stress on fruit quality of different Mediterranean cherry-type tomato landraces
Authors: Ntanasi, Theodora 
Ntatsi, Georgia 
Karavidas, Ioannis 
Ziogas, I. 
Karaolani, M. 
Fortis, Dimitrios 
Zioviris, Georgios 
Fotopoulos, Vasileios 
Schubert, Andrea 
Guillaume, M. 
Causse, Mathilde A. 
Conesa, Miquel Àngel 
Galmès, Jeroni 
Savvas, Dimitrios 
Major Field of Science: Agricultural Sciences
Field Category: Agricultural Biotechnology
Keywords: abiotic stress;fruit quality;landraces;salinity stress;soilless culture;tomato
Issue Date: 1-Jun-2023
Source: Acta Horticulturae, 2023, vol. 1372, pp. 301 - 307
Volume: 1372
Issue: 1372
Start page: 301
End page: 307
Journal: Acta Horticulturae 
Abstract: Abiotic stresses, such as salinity, pose major risks on sustainability and productivity of most vegetable crops in the Mediterranean Basin. In soilless cultivation systems, mild salinity stress is introduced as a common practice to improve the organoleptic characteristics of tomato fruit, compromising at the same time crop production. In this study, we aimed to identify the impact of the salinity stress on the fruit quality of seven cherry-type tomato landraces (namely 'tomataki', 'GR-451/04', 'CC-1791 Allungato a Fiasco', 'Cherry-INRAE (1)', 'Cherry-INRAE (2)', 'Cherry-INRAE (3)', 'Cherry-INRAE (4)'). The experiment was conducted at the greenhouse facilities of the Laboratory of Vegetable Production at the Agricultural University of Athens. To apply the stress factor, the plants were grown under 30 mM NaCl in the nutrient solution versus the non-saline treated plants that were irrigated with a nutrient solution containing 0.5 mM NaCl. Fruit quality parameters such as diameter, firmness, titratable acidity (TA) and total soluble solids content (TSSC) were assessed. According to the main findings of this study, no reduction in the fruit quality characteristics of the landraces 'Cherry-INRAE (1)', 'Cherry-INRAE (2)' and 'Cherry-INRAE (3)' when exposed to salinity was observed. Salt stress improved the fruit firmness, TSSC and TA of the Greek landrace 'GR 451/04' while reduced its fruit diameter. On the contrary, increased salinity in the nutrient solution did not affect the diameter of fruit for landrace 'Cherry-INRAE-4', while led to increased concentrations of TSSC in fruit. The identified tolerant and resistant landraces could potentially be used in breeding programs to develop new cultivars and hybrids that can better adapt in saline-affected environments.
ISSN: 05677572
DOI: 10.17660/ActaHortic.2023.1372.39
Rights: © International Society for Horticultural Science
Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Article
Affiliation : Agricultural University of Athens 
Cyprus University of Technology 
Turin University 
Route d'Avignon 
Génétique et Amélioration des Fruits et Légumes 
Universitat de les Illes Balears 
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