International Journal of Horticulture, 2025, Vol.15, No.5, 242-256 http://hortherbpublisher.com/index.php/ijh 249 Table 1 Overview of seed priming benefits under various abiotic stresses in horticultural crops Abiotic stress type Horticultural crop Priming agent(s) Observed benefits References Drought Tomato (Solanum lycopersicum L.) Silicon, salicylic acid (SA), biopriming Improved germination rate (15-22%), vegetative growth improvement and fruit yield enhancement (33%) Chakma et al., 2021; Kurniawan et al., 2025; Papadopoulou et al., 2022; Pehlivan et al., 2018 Pepper (Capsicum annuum L.) Polyethylene glycol (PEG), gibberellic acid (GA3) Improved germination rate, vegetative growth improvement and fruit yield enhancement Gammoudi et al., 2020; Haris et al., 2023; Tombegavani et al., 2020 Cucumber (Cucumis sativus L.) SA, Bioprimin Improved germination rate, vegetative growth improvement and fruit yield enhancement. Increased antioxidant activity Alam et al., 2023; Mombeini et al., 2021; Piri et al., 2019 Onion (Allium cepa L) PEG, SA Improved germination rate and growth Jagosz, 2015; Silva et al., 2019 Salinity Tomato (Solanum lycopersicum L.) PEG, KNO3, NaCl Earlier seed emergence, increased root growth Cayuela et al., 1996; Habibi et al., 2025 Pepper (Capsicum annuum L.) Hydropriming, NaCl, KCl, proline, SA, acetylsalicylic acid Total germination and emergence percentage, root and shoot length increase. Increased osmolyte accumulation Aloui et al., 2017; Karalija et al., 2024; Khan et al., 2009 Lettuce (Lactuca sativa L.) KNO3, GA3 Improved growth. Increased antioxidant activity Adhikari et al., 2024; Mahmoudi et al., 2012 Cucumber (Cucumis sativus L.) NaCl, KCl, KNO3, nanofertilizers Improved emergence rate and early growth da Silva Oliveira and Steiner, 2017; Esmaielpour et al., 2006; Moustafa et al., 2022 Melon (Cucumis melo L.) NaCl, CaCl2, SA Improved germination rate, seedling emergence, and early growth. Increased antioxidant activity and osmolyte accumulation Basra et al., 2007; Castañares and Bouzo, 2020; Sivritepe et al., 2005 Heat Spinach (Spinacia oleracea L.) PEG Improved germination rate Chen et al., 2010 Lettuce (Lactuca sativa L.) CaCl2 Improved germination rate Castañares, 2019 Carrot (Daucus carota L.) PEG, KNO3 Improved germination rate and ethylene production Mahmood ur Rehman et al., 2024; Nascimento et al., 2013 Pansy (Viola x wittrockiana) PEG, CaCl2, KNO3, KH2PO4 Improved germination rate Yoon et al., 1997 Celery (Apium graveolens L.) Matrix priming, NaOCl Improved germination rate Parera et al., 1993 Cold Spinach (Spinacia oleracea L.) PEG Improved germination rate Chen et al., 2010 Tomato (Solanum lycopersicum L.) Hydropriming, Biopriming, Melatonin Improved emergence rate and growth. Increased antioxidant activity Park et al., 2025; Ya-bo et al., 2024 Eggplant (Solanum melongena L.) Ca(NO3)2, KNO3, SA Improved emergence rate and growth Salles et al., 2019; Zhang et al., 2011 Melon (Cucumis melo L.) KNO3, CaCl2 methyl jasmonate, spermine Improved germination rate Castañares and Bouzo, 2018; Korkmaz et al., 2017
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