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Título

Five-year growth and yield response of two olive cultivars (Olea europaea L., cvs. Arbequina and Empeltre) to soil salinity

AutorAragüés Lafarga, Ramón ; Guillén, Mónica ; Royo, Antonio
Palabras claveSalinity tolerance
Growth
Yield
Fruit characteristics
Fecha de publicaciónsep-2010
EditorSpringer
CitaciónAragüés R, Guillén M, Royo A. Five-year growth and yield response of two olive cultivars (Olea europaea L., cvs. Arbequina and Empeltre) to soil salinity. Plant and Soil 334 (1-2): 423-432 (2010).
ResumenOlive is considered moderately tolerant to salinity, but most studies are short in duration and report its tolerance on the basis of targeted irrigation water salinity (ECiw) rather than on measured root zone soil salinity (ECe). We evaluated the growth (tree height and trunk diameter) and yield (fruit and oil weights) response of two drip-irrigated young olive cultivars (Arbequina and Empeltre) subject to three ECiw treatments (2, 4 and 10 dS m−1). The ECe of 23 Arbequina and 20 Empeltre trees was intensively monitored during the 2003–2007 study period using an EM38 sensor and converting its readings into ECe through sensor calibration. For growth, the slopes of the linear regression equations (−3% to −5%) and the ECe50 estimates (12.5–14.0 dS m−1) were similar in both cultivars and vegetative traits. Likewise, for yield the slopes of the linear regression equations (−4% to −7%) and the ECe50 estimates (7.9–9.6 dS m−1) were similar in both cultivars and yield traits. Based on mean ECe50 estimates, olive vegetative growth was ranked as moderately tolerant (mean ECe50 = 13.2 dS m−1), whereas olive and oil yields were ranked as moderately sensitive (mean ECe50 = 8.7 dS m−1).
Descripción22 Pag., 5 Tabl., 3 Fig. The definitive version is available at www.springerlink.com
Versión del editorhttp://dx.doi.org/10.1007/s11104-010-0393-3
URIhttp://hdl.handle.net/10261/27202
DOI10.1007/s11104-010-0393-3
ISSN0032-079X (print version)
ISSN: 1573-5036 (electronic version)
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