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Amir M. González-Delgado, Manoj K. Shukla, and Brian Schutte

parameters of pecan trees. Gas exchange parameters [(photosynthetic rate (µmol·m −2 ·s −1 ), intercellular CO 2 concentration (µmol·mol −1 ), vapor pressure deficit (kPa), transpiration (mmol·m −2 ·s −1 ), stomatal conductance (mol·m −2 ·s −1 ), leaf

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Xing-Zheng Fu, Fei Xing, Li Cao, Chang-Pin Chun, Li-Li Ling, Cai-Lun Jiang, and Liang-Zhi Peng

photosynthetic enzymes, such as carbonic anhydrase, fructose-1,6-bisphosphase, and ribulose 1,5-bisphosphate carboxylase/oxygenase ( Chen et al., 2008 ; Sasaki et al., 1998 ). In addition, Zn deficiency could also decrease the intercellular CO 2 concentration

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W. Robert Trentham, Carl E. Sams, and William S. Conway

with Ca solutions increased internal CO 2 and decreased O 2 levels in apple fruit ( Hewett and Thompson, 1992 ). The Ca solution presumably floods intercellular spaces beneath lenticels, which normally provide a major diffusion route for gas movements

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Toshio Shibuya, Akihito Sugimoto, Yoshiaki Kitaya, and Makoto Kiyota

velocity, and CO 2 concentration ( Kim et al., 1996a , 1996b ; Kitaya et al., 1998 ), thereby affecting the gas exchange of the plant community and its consequent growth ( Kitaya et al., 2000 , 2002 , 2004 ; Shibuya and Kozai, 1998 , 2001

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Isabel Pérez-Munuera, Isabel Hernando, Virginia Larrea, Cristina Besada, Lucía Arnal, and Alejandra Salvador

, for 24 h at 20 °C (90% RH). The CO 2 target concentration was established by passing a stream of air containing 95% to 98% CO 2 through the containers. Fruit assessments. Firmness, soluble tannin content, and acetaldehyde concentration were analyzed

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Yung-Liang Peng, Fang-Yin Liu, Rong-Show Shen, and Yu-Sen Chang

, intercellular CO 2 (Ci) level dropped significantly. Ci levels differed significantly between plants treated with N treatments and control plants ( Fig. 4C ). Fig. 1. Effect of nutrient solution nitrogen (N) concentration on plant height (A), node number (B

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César Mota-Cadenas, Carlos Alcaraz-López, M. Carmen Martínez-Ballesta, and Micaela Carvajal

., 2006 ). Therefore, to conserve water, plants close their stomata. This simultaneously restricts the entry of CO 2 into the leaf, reducing photosynthesis. At higher concentrations, NaCl may also directly inhibit photosynthesis ( Stepien and Johnson

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Jakob Markvart, Eva Rosenqvist, Helle Sørensen, Carl-Otto Ottosen, and Jesper M. Aaslyng

; Rotronic, Bassersdorf, Switzerland) were used. A mass flow controller (5850TR; Brooks Instrument, Hatfield, PA) enabled controlled injections of carbon dioxide (CO 2 ) and measurements of the injected CO 2 . The actual CO 2 concentrations were measured

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Vicente Gimeno, James P. Syvertsen, Inma Simon, Vicente Martinez, Jose M. Camara-Zapata, Manuel Nieves, and Francisco Garcia-Sanchez

hydration overnight as described previously. Fully turgid leaves were then frozen in liquid N, and Ψ π 100 was measured as Ψ π . Leaf gas exchange and chlorophyll fluorescence. Net assimilation of CO 2 (A CO2 ), leaf transpiration (E), g S , intercellular

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Liyuan Huang, Jun Yuan, Hui Wang, Xiaofeng Tan, and Genhua Niu

humidity was 60% to 80%. Measurement of gas exchange and chlorophyll fluorescence parameters. The P n , g s , intercellular CO 2 concentration (C i ), and T r were measured using the third fully expanded mature leaves (one leaf per plant; five plants per