Vegetative and reproductive response of 'Prime Giant' sweet cherry trees to regulated deficit irrigation
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AuthorTorres Sánchez, Roque; Blanco, Víctor; José Blaya Ros, Pedro; Pérez Pastor, Alejandro; Domingo Miguel, Rafael
Knowledge AreaEdafología y Química AgrícolaProducción Vegetal
SponsorsThis work was supported by the Spanish Economy and Competitiveness Ministry (MINECO) and the European Agricultural Funds for Rural Development. Reference: AGL2013-49047-C2-1-R, AGL2016-77282-C3-3-R and the "Fundacion Seneca, Agencia de Ciencia y Tecnologia" of the Region of Murcia under the Excelence Group Program 19895/GERM/15. Victor Blanco acknowledges the research initiation grant received from the Technical University of Cartagena (UPCT). The authors are grateful to Pedro and Agustin Carrion-Guardiola, "Finca Toll." farm owners, for letting them use their facilities to carry out the tests.
Realizado en/conUniversidad Politécnica de Cartagena
The agronomic response of sweet cherry (Prunus avium L.) 'Prime Giant' to a 4 year-long experiment involving deficit irrigation strategies in a Mediterranean climate was studied in a commercial orchard located in the southeast of Spain (Jumilla, Spain). Four drip irrigation treatments were imposed: (i) control treatment (CTL), irrigated without restrictions at 110% of seasonal crop evapotranspiration (ETc); (ii) sustained deficit irrigation (SDI) treatment irrigated at 85% ETc during pre-harvest and post-harvest periods and at 100% ETc during floral differentiation; (iii) regulated deficit irrigation (RDI) treatment irrigated at 100% ETc during pre-harvest and floral differentiation and at 55% ETc during post-harvest, and (iv) farmer treatment (FRM), irrigated according to the farmer's normal practice. The crop's response to the different irrigation treatments was analyzed in relation to tree water status. Soil water deficit reduced tree midday stem water potential (Psi(stem)), stomatal ...
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