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Stomatal response to leaf water potential in almond trees under drip irrigated and non irrigated conditions

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Abstract

Almond plants (Amygdalus communis L. cv. Garrigues) were grown in the field under drip irrigated and non irrigated conditions. Leaf water potential (Ψ) and leaf conductance (g1) were determined at three different times of the growing season (spring, summer and autumn). The relationships between Ψ and g1 in both treatments showed a continuous decrease of g1 as Ψ decreased in spring and summer. Data from the autumn presented a threshold value of Ψ (approx. −2.7 MPa in dry treatment, and approx. −1.4 MPa in wet treatment) below which leaf conductance remained constant.

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Authors and Affiliations

  1. U.E.I. Riego Localizado, Centro de Edafología y Biología Aplicada del Segura (C.S.I.C.), P.O. Box 195, E-30080, Murcia, Spain

    A. Torrecillas, M. C. Ruiz-Sanchez & A. Leon

  2. Dept. Química Agrícola, Universidad de Murcia, c/Sto. Cristo 1, E-30001, Murcia, Spain

    A. L. Garcia

Authors
  1. A. Torrecillas
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  2. M. C. Ruiz-Sanchez
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  3. A. Leon
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  4. A. L. Garcia
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Torrecillas, A., Ruiz-Sanchez, M.C., Leon, A. et al. Stomatal response to leaf water potential in almond trees under drip irrigated and non irrigated conditions. Plant Soil 112, 151–153 (1988). https://doi.org/10.1007/BF02181765

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  • DOI: https://doi.org/10.1007/BF02181765

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