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R.B. Hutmacher, J.J. Steiner, J.E. Ayars, A.B. Mantel, and S.S. Vail

Abbreviations: ET c , crop evapotranspiration; DOY, day of year; K c , crop coefficient; LWP, leaf water potential; RWC, leaf relative water content; VPD, air vapor pressure deficit. 1 Plant Physiologist. 2 Agronomist. 3 Agricultural Engineer. 4

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Horst W. Caspari, M. Hossein Behhoudian, David J. Chalmers, and A. Richard Renquist

Abbreviations: DAFB, days after full bloom; DC, drying cycle; E pan , potential water use measured from a Class A pan; ET, evapotranspiration; k c , crop coefficient; WU, water use; Ψ 1 , leaf water potential. 2 Senior Lecturer. 3 Professor. Current

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Thayne Montague and Lindsey Fox

( Hinckley et al., 1978 ) and growth. Transplanted trees are considered to be established when leaf water potential (ψ L ), gas exchange, and growth are similar to those of nontransplanted trees ( Beeson and Gilman, 1992 ). However, research on gas exchange

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José Luis Chaves-Gómez, Alba Marina Cotes-Prado, Sandra Gómez-Caro, and Hermann Restrepo-Díaz

, y i   and y i + 1 are the values of the severity scale that were obtained at every evaluation time, and ( t i + 1 − t i ) is the time interval between evaluations. g S and leaf water potential. g S and leaf water potential (Ψ wf ) were

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Ozlem Altuntas, H. Yildiz Dasgan, and Yelderem Akhoundnejad

µmol·s −1 ). Leaf water potential. Leaf water potential was measured on young, fully expanded leaves, nine leaves from each replicate, on the same day that observations of gas exchange parameters were made (on the third or fourth leaves from the plant

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Kimberly Moore, Charles Wajsbrot, Cristina Burgart, and Luci Fisher

, medium, or high salt-tolerant. We monitored changes in leaf water potential and plant quality of sea hibiscus, a high salt-tolerant plant, exposed to increasing EC and Na levels. Because measuring water potential is impractical for a grower, for

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Carlos Vinicius Garcia Barreto, Rhuanito Soranz Ferrarezi, Flávio Bussmeyer Arruda, and Roberto Testezlaf

; leaf water potential at 36, 55, 67, 75, and 90 DAS; and leaf temperature, transpiration, and stomatal resistance at 36, 55, and 90 DAS. We sampled three plants per plot for each sampling date. The gaseous exchange measurements from the porometer LI-1600

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Tessa M. Mills, Jianming Li, and M. Hossein Behboudian

all the water used for any given 24-h period. However, Gucci et al. (1997) reported that A. deliciosa does not demonstrate low midday leaf water potential values under water deficit as effective stomatal closure allows water conservation. But

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Francisco García-Sánchez and James P. Syvertsen

-watered citrus leaves reduces net assimilation of CO 2 (A CO2 ) by a direct biochemical inhibition of photosynthetic capacity rather by decreases in stomatal conductance ( g s ) or leaf water potential ( García-Sánchez et al., 2006 ; Levy and Syvertsen, 2004

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Genhua Niu and Denise S. Rodriguez

harvested for final growth analysis. During the severe dry-down, predawn leaf water potential, leaf gas exchange, container weight (for later calculation of substrate moisture contents and daily evapotranspiration rate), and leaf relative water content (RWC