Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry Quality
Environmental challenges such as drought, high temperatures, and salinity compromise grapevine physiology, reduce productivity, and negatively affect grape and wine quality. In recent years, foliar applications of biostimulants, antitranspirants, and phytohormones have emerged as promising strategie...
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MDPI AG
2025-07-01
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| author | Despoina G. Petoumenou Vasiliki Liava |
| author_facet | Despoina G. Petoumenou Vasiliki Liava |
| author_sort | Despoina G. Petoumenou |
| collection | DOAJ |
| description | Environmental challenges such as drought, high temperatures, and salinity compromise grapevine physiology, reduce productivity, and negatively affect grape and wine quality. In recent years, foliar applications of biostimulants, antitranspirants, and phytohormones have emerged as promising strategies to enhance stress tolerance in grapevines. This review focuses on the main effects of salinity, drought, and high temperatures and the combined impact of drought and high temperatures on grapevines and examines how foliar applications influence grapevine responses under these specific stress conditions. Synthesizing the recent findings from the last ten years (160 articles), it provides direct insights into the potential of these compounds to alleviate each type of stress, highlighting their effects on grapevine physiology, yield components, and secondary metabolites in berries. While their mechanism of action is not entirely clear and their efficacy can vary depending on the type of compound used and the grapevine variety, most studies report a beneficial effect or no effect on grapevines under abiotic stresses (either single or combined). Future research is necessary to optimize the concentrations of these compounds and determine the appropriate number and timing of applications, particularly under open-field experiments. Additionally, studies should assess the effect of foliar applications under multiple abiotic stress conditions. In conclusion, integrating foliar applications into vineyard management represents a sustainable technique to mitigate abiotic stresses associated with climate change, such as salinity, water deficit, and heat stress, while preserving or enhancing the quality of grapes and wines. |
| format | Article |
| id | doaj-art-e9bc390bac054d84a79b5575a630293d |
| institution | Kabale University |
| issn | 2223-7747 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | MDPI AG |
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| series | Plants |
| spelling | doaj-art-e9bc390bac054d84a79b5575a630293d2025-08-20T03:56:46ZengMDPI AGPlants2223-77472025-07-011414215710.3390/plants14142157Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry QualityDespoina G. Petoumenou0Vasiliki Liava1Laboratory of Viticulture, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, 38446 Volos, GreeceLaboratory of Viticulture, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, 38446 Volos, GreeceEnvironmental challenges such as drought, high temperatures, and salinity compromise grapevine physiology, reduce productivity, and negatively affect grape and wine quality. In recent years, foliar applications of biostimulants, antitranspirants, and phytohormones have emerged as promising strategies to enhance stress tolerance in grapevines. This review focuses on the main effects of salinity, drought, and high temperatures and the combined impact of drought and high temperatures on grapevines and examines how foliar applications influence grapevine responses under these specific stress conditions. Synthesizing the recent findings from the last ten years (160 articles), it provides direct insights into the potential of these compounds to alleviate each type of stress, highlighting their effects on grapevine physiology, yield components, and secondary metabolites in berries. While their mechanism of action is not entirely clear and their efficacy can vary depending on the type of compound used and the grapevine variety, most studies report a beneficial effect or no effect on grapevines under abiotic stresses (either single or combined). Future research is necessary to optimize the concentrations of these compounds and determine the appropriate number and timing of applications, particularly under open-field experiments. Additionally, studies should assess the effect of foliar applications under multiple abiotic stress conditions. In conclusion, integrating foliar applications into vineyard management represents a sustainable technique to mitigate abiotic stresses associated with climate change, such as salinity, water deficit, and heat stress, while preserving or enhancing the quality of grapes and wines.https://www.mdpi.com/2223-7747/14/14/2157biostimulantsheat stressseaweedyeastprotein hydrolysateskaolin |
| spellingShingle | Despoina G. Petoumenou Vasiliki Liava Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry Quality Plants biostimulants heat stress seaweed yeast protein hydrolysates kaolin |
| title | Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry Quality |
| title_full | Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry Quality |
| title_fullStr | Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry Quality |
| title_full_unstemmed | Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry Quality |
| title_short | Sustainable Foliar Applications to Improve Grapevine Responses to Drought, High Temperatures, and Salinity: Impacts on Physiology, Yields, and Berry Quality |
| title_sort | sustainable foliar applications to improve grapevine responses to drought high temperatures and salinity impacts on physiology yields and berry quality |
| topic | biostimulants heat stress seaweed yeast protein hydrolysates kaolin |
| url | https://www.mdpi.com/2223-7747/14/14/2157 |
| work_keys_str_mv | AT despoinagpetoumenou sustainablefoliarapplicationstoimprovegrapevineresponsestodroughthightemperaturesandsalinityimpactsonphysiologyyieldsandberryquality AT vasilikiliava sustainablefoliarapplicationstoimprovegrapevineresponsestodroughthightemperaturesandsalinityimpactsonphysiologyyieldsandberryquality |