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Ecophysiological response to irrigation of two olive cultivars grown in a high-density orchard
Department of Agricultural and Environmental Sciences, University of Bari Aldo Moro, Bari, Italy;
Department of Agricultural and Environmental Sciences, University of Bari Aldo Moro, Bari, Italy;
Department of Agricultural and Environmental Sciences, University of Bari Aldo Moro, Bari, Italy;
- 1 Department of Agricultural and Environmental Sciences, University of Bari Aldo Moro, Bari, Italy;
- 2 Department of Agricultural and Environmental Sciences, University of Bari Aldo Moro, Bari, Italy;
- 3 Department of Agricultural and Environmental Sciences, University of Bari Aldo Moro, Bari, Italy;
Agricultural Sciences·Volume 04 (2013)·Pages 16–20·Published 19 August 2013·DOI10.4236/as.2013.48A003
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Abstract
High-density oliveculture system needs irrigation and introduces new cultivars in new environments. So the evaluation of varietal ecophysiological response to irrigation is a crucial topic. For this reason it was planned a research on two cultivars, Coratina and Arbequina, trained according to high-density system. In 2009 the irrigation was conducted according to the conventional management by applying an irrigation frequency of 4 days. The leaf water potentials reached values similar to the limits reported for the recovery within 48 hours. However, plants showed a leaf water status and gas exchange recovery just after 24 hours from watering. The results highlighted some varietal differences: Arb equina showed a better response to irrigation, while Coratina performed a higher water use efficiency by a lower leaf transpiration.
KeywordsLeaf Water PotentialStomatal ConductanceNet AssimilationWater Use Efficiency
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