Adaptation Mechanisms of Olive Tree under Drought Stress: The Potential of Modern Omics Approaches

Georgia-Maria Nteve, Stefanos Kostas, Alexios N. Polidoros, Panagiotis Madesis () and Irini Nianiou-Obeidat ()
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Georgia-Maria Nteve: Laboratory of Genetics and Plant Breeding, School of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Stefanos Kostas: Laboratory of Floriculture, School of Agriculture, Forestry and Natural Environment, Aristotle University, 54124 Thessaloniki, Greece
Alexios N. Polidoros: Laboratory of Genetics and Plant Breeding, School of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Panagiotis Madesis: Institute of Applied Biosciences, Centre for Research and Technology—Hellas, 6th km Charilaou-Thermi Rd., 57001 Thessaloniki, Greece
Irini Nianiou-Obeidat: Laboratory of Genetics and Plant Breeding, School of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece

Agriculture, 2024, vol. 14, issue 4, 1-18

Abstract: Olive ( Olea europaea L.) is a crop of enormous economic and cultural importance. Over the years, the worldwide production of olive oil has been decreasing due to various biotic and abiotic factors. The current drop in olive oil production resulting from climate change raises concerns regarding the fulfillment of our daily demand for olive oil and has led to a significant increase in market prices. In the future, there will be a higher chance that we will face a severe shortage of olive oil, which could harm both the economic sector and the food supply. As olive groves cover more than 5 million hectares in the European Union alone, the need to preserve the crop in the context of extreme climatic events is imperative. As drought is considered one of the most limiting factors in agriculture, drought-resistant varieties and sustainable irrigation strategies are being developed to mitigate the impact of drought on crop productivity and secure the future supply of olive oil. This review focuses on recently gained insights into drought stress in olive trees through omics and phenomics approaches to unravelling mechanisms that may lead to developing new varieties that are tolerant against drought elicited by changes in growing systems.

Keywords: Olea europaea; climate change; water deficit; stress memory; priming (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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