Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/32880
Title: Plant Biostimulants Enhance Tomato Resilience to Salinity Stress: Insights from Two Greek Landraces
Authors: Ntanasi, Theodora 
Karavidas, Ioannis 
Spyrou, George P 
Giannothanasis, Evangelos 
Aliferis, Konstantinos A 
Saitanis, Costas J. 
Fotopoulos, Vasileios 
Sabatino, Leo 
Savvas, Dimitrios 
Ntatsi, Georgia 
Major Field of Science: Agricultural Sciences
Field Category: Agriculture Forestry and Fisheries
Keywords: microbial; salt stress; seaweed extract; sustainability; tolerance; vegetables
Issue Date: 17-May-2024
Source: Plants, 2024, vol. 13, no. 10
Volume: 13
Issue: 10
Journal: Plants 
Abstract: Salinity, one of the major abiotic stresses in plants, significantly hampers germination, photosynthesis, biomass production, nutrient balance, and yield of staple crops. To mitigate the impact of such stress without compromising yield and quality, sustainable agronomic practices are required. Among these practices, seaweed extracts (SWEs) and microbial biostimulants (PGRBs) have emerged as important categories of plant biostimulants (PBs). This research aimed at elucidating the effects on growth, yield, quality, and nutrient status of two Greek tomato landraces ('Tomataki' and 'Thessaloniki') following treatments with the Ascophyllum nodosum seaweed extract 'Algastar' and the PGPB 'Nitrostim' formulation. Plants were subjected to bi-weekly applications of biostimulants and supplied with two nutrient solutions: 0.5 mM (control) and 30 mM NaCl. The results revealed that the different mode(s) of action of the two PBs impacted the tolerance of the different landraces, since 'Tomataki' was benefited only from the SWE application while 'Thessaloniki' showed significant increase in fruit numbers and average fruit weight with the application of both PBs at 0.5 and 30 mM NaCl in the root zone. In conclusion, the stress induced by salinity can be mitigated by increasing tomato tolerance through the application of PBs, a sustainable tool for productivity enhancement, which aligns well with the strategy of the European Green Deal.
URI: https://hdl.handle.net/20.500.14279/32880
ISSN: 2223-7747
DOI: 10.3390/plants13101404
Rights: Attribution 4.0 International
Type: Article
Affiliation : Agricultural University of Athens 
McGill University 
Cyprus University of Technology 
University of Palermo 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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