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Título : Fruit yield and quality response of a late season peach orchard to different irrigation regimes in a semi-arid environment
Autor : Faci González, José María ; Medina Pueyo, Eva Teresa ; Martínez-Cob, Antonio
Palabras clave : Trunk growth
Irrigation strategies
Drip irrigation
Calanda peach
Bagging
Water deficit
Fecha de publicación : sep-2014
Editor: Elsevier
Citación : Faci JM, Medina ET, Martínez-Cob A, Alonso JM. Fruit yield and quality response of a late season peach orchard to different irrigation regimes in a semi-arid environment. Agricultural Water Management 143: 102-112 (2014)
Resumen: Some degree of deficit irrigation is normally applied to orchards in semi-arid environments in order to reduce unwanted vegetative growth and to increase water productivity. In this study the effect of three irrigation treatments on the yield and quality of the fruit production was evaluated during five consecutive years (2008-2012) in a commercial drip irrigated late season peach (Prunus persica (L). Batsch cv ́Calricó) orchard. Irrigation treatments consisted in a full irrigation (FULL) with irrigation applications covering the crop water requirements, a sustained deficit irrigation during the whole irrigation season (SDI) with irrigation applications of 62.5% of the FULL treatment and a regulated deficit irrigation (RDI) with a reduction of water applied to 50% of the FULL treatment in the stone hardening period. The differential irrigation treatments created negligible differences in the stem water potential of the trees. Results showed that fruit production was only significantly higher in the FULL treatment than in the other two treatments in 2008 but in the rest of the years no significant differences were found between treatments. The average fruit weight was significantly smaller in the SDI treatment than in the FULL and RDI treatments. Firmness of the fruits in the SDI treatment was significantly lower than that of the FULL and RDI treatments and the total soluble solids of the SDI was significantly higher than the FULL and RDI treatments. Color parameters of the fruit skin and flesh were also affected by the irrigation treatments. The higher values of the soluble solids content (SSC) and the relation SSC/TA (total acidity) and the slight decrease in fruit diameter found in the SDI treatment suggest that irrigation water saving can be achieved without affecting the commercial profitability in the semi-arid conditions of the Lower Ebro Valley in Northeast of Spain.
Descripción : 39 Pags.- 7 Tabls.- 3 Figs. The definitive version is available at: http://www.sciencedirect.com/science/journal/03783774
Versión del editor: http://dx.doi.org/10.1016/j.agwat.2014.07.004
URI : http://hdl.handle.net/10261/101876
DOI: 10.1016/j.agwat.2014.07.004
Identificadores: doi: 10.1016/j.agwat.2014.07.004
issn: 0378-3774
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