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Steduto, P. and Albrizio, R. (2005) Re source use efficiency on field-grown sunflower, sorghum, wheat and chickpea. II. Water use efficiency and comparison with radiation use efficiency. Agricultural and Forestry Meteorology, 130, 269-281. doi:10.1016/j.agrformet.2005.04.003

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• TITLE: Ecophysiological response to irrigation of two olive cultivars grown in a high-density orchard

  AUTHORS: G. A. Vivaldi, G. Strippoli, S. Camposeo

  KEYWORDS: Leaf Water Potential; Stomatal Conductance; Net Assimilation; Water Use Efficiency

  JOURNAL NAME: Agricultural Sciences, Vol.4 No.8A, August 19, 2013

  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: Arbequina showed a better response to irrigation, while Coratina performed a higher water use efficiency by a lower leaf transpiration.