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Plant based indicators for irrigation scheduling in young cherry trees

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  • Livellara, N.
  • Saavedra, F.
  • Salgado, E.

Abstract

Using a correlation between trunk diameter fluctuation (TDF) and stem water potential (SWP) it appears possible to determine water deficit threshold values (WDTV) for young cherry trees. This correlation must be based on a significant effect between SWP and at least one variable associated with the vegetative or reproductive growth of the trees. The objectives of this study are: (1) to determine the effect of several irrigation treatments on vegetative and reproductive growth and the SWP of young cherry trees; (2) to determine the correlation between TDF and SWP, and; (3) to propose a first approximation of SWP and TDF water deficit threshold values for young cherry tree plants. The experiment was carried out between September and April of the 2005-2006 and 2006-2007 seasons, in Quillota, in the Valparaiso region, central Chile. The irrigation treatments consisted of applications of 50% (T50), 100% (T100) and 150% (T150) of potential evapotranspiration (ET0) over the two growing seasons, using a randomized complete block design (RCB). The effect of irrigation scheduling was observed on: apical shoot growth rate (GRAS), branch cross-sectional area (BCSA), canopy volume (CV), annual length of accumulated growth (ALAG) and productivity. This effect showed that the T50 treatment caused lower SWP (measured pre-dawn), vegetative growth and productivity. The fruit quality variables (cracking and size) were not affected by the different treatments. Combining the vegetative growth, productivity and SWP results shows that the water deficit threshold value, as a first approximation, is between 50% and 100% of ET0, and therefore the critical SWP for defining irrigation frequency should be close to -0.5 MPa. Upon applying a post-harvest drought period (14 days without irrigation), a linear correlation was determined both between SWP and maximum daily trunk shrinkage, MDS (R2 = 0.69) and between SWP and trunk growth rate, TGR (R2 = 0.57). Using these correlations and the SWP reference value, reference values were obtained for MDS (165 [mu]m) and TGR (83 [mu]m day-1), which would permit automated control of water status in young cherry trees.

Suggested Citation

  • Livellara, N. & Saavedra, F. & Salgado, E., 2011. "Plant based indicators for irrigation scheduling in young cherry trees," Agricultural Water Management, Elsevier, vol. 98(4), pages 684-690, February.
    • Handle: RePEc:eee:agiwat:v:98:y:2011:i:4:p:684-690
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    References listed on IDEAS

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    1. Salgado, E. & Cauti­n, R., 2008. "Avocado root distribution in fine and coarse-textured soils under drip and microsprinkler irrigation," Agricultural Water Management, Elsevier, vol. 95(7), pages 817-824, July.
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    1. Blanco, Víctor & Domingo, Rafael & Pérez-Pastor, Alejandro & Blaya-Ros, Pedro José & Torres-Sánchez, Roque, 2018. "Soil and plant water indicators for deficit irrigation management of field-grown sweet cherry trees," Agricultural Water Management, Elsevier, vol. 208(C), pages 83-94.
    2. Wang, Linlin & Wu, Wenyong & Xiao, Juan & Huang, Qiannan & Hu, Yaqi, 2021. "Effects of different drip irrigation modes on water use efficiency of pear trees in Northern China," Agricultural Water Management, Elsevier, vol. 245(C).
    3. Silber, A. & Naor, A. & Israeli, Y. & Assouline, S., 2013. "Combined effect of irrigation regime and fruit load on the patterns of trunk-diameter variation of ‘Hass’ avocado at different phenological periods," Agricultural Water Management, Elsevier, vol. 129(C), pages 87-94.
    4. Trentacoste, E.R. & Contreras-Zanessi, O. & Beyá-Marshall, V. & Puertas, C.M., 2018. "Genotypic variation of physiological and morphological traits of seven olive cultivars under sustained and cyclic drought in Mendoza, Argentina," Agricultural Water Management, Elsevier, vol. 196(C), pages 48-56.
    5. Liao, Renkuan & Wu, Wenyong & Hu, Yaqi & Xu, Di & Huang, Qiannan & Wang, Shiyu, 2019. "Micro-irrigation strategies to improve water-use efficiency of cherry trees in Northern China," Agricultural Water Management, Elsevier, vol. 221(C), pages 388-396.
    6. Vera-Repullo, J.A. & Ruiz-Peñalver, L. & Jiménez-Buendía, M. & Rosillo, J.J. & Molina-Martínez, J.M., 2015. "Software for the automatic control of irrigation using weighing-drainage lysimeters," Agricultural Water Management, Elsevier, vol. 151(C), pages 4-12.
    7. Olutobi Adeyemi & Ivan Grove & Sven Peets & Tomas Norton, 2017. "Advanced Monitoring and Management Systems for Improving Sustainability in Precision Irrigation," Sustainability, MDPI, vol. 9(3), pages 1-29, February.
    8. Measham, P.F. & Wilson, S.J. & Gracie, A.J. & Bound, S.A., 2014. "Tree water relations: Flow and fruit," Agricultural Water Management, Elsevier, vol. 137(C), pages 59-67.

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