Soil and plant water indicators for deficit irrigation management of field-grown sweet cherry trees

Víctor Blanco, Rafael Domingo, Alejandro Pérez-Pastor, Pedro José Blaya-Ros and Roque Torres-Sánchez

Agricultural Water Management, 2018, vol. 208, issue C, 83-94

Abstract: A two-year experiment with sweet cherry (P. avium L. cv Prime Giant) trees was carried out to ascertain which of the following commonly used soil and plant water indicators is most effective for deficit irrigation scheduling: Ψstem (midday stem water potential), MDS (maximum daily branch shrinkage), gs (stomatal conductance), θv (soil volumetric water content), Ψm (soil matric potential). For this, soil and plant water relations, as well as the physiological and agricultural responses of trees to three different irrigation treatments, were evaluated. The irrigation treatments imposed were: i) a control treatment (CTL) irrigated at 110% of crop evapotranspiration (ETc) throughout the growing season, ii) a regulated deficit irrigation treatment (RDI), which met 100% ETc at preharvest and during floral differentiation and 55% ETc during the postharvest period and iii) a treatment based on normal farming practices (FRM).

Keywords: Maximum daily branch shrinkage; Midday stem water potential; Soil matric potential; Soil volumetric water content; Stomatal conductance (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:208:y:2018:i:c:p:83-94

DOI: 10.1016/j.agwat.2018.05.021

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