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data collection purposes, single trees of each treatment combination were paired and one measurement cycle included a tree from each treatment combination. Cycles were repeated until all trees were measured. Stomatal conductance data were recorded on

stomatal conductance and daily high vapor pressure deficit (VPD) in an irrigated high desert environment for green ash ( Fraxinus pennsylvanica ‘Patmore’) for ( A ) first year following transplanting, and ( B ) second year following transplanting

10%, WUE increased more rapidly in ‘RADrazz’ than the other three cultivars ( Fig. 3 ). Fig. 2. Relationship between leaf net photosynthetic rate (P n ), stomatal conductance ( g S ), transpiration rate (E), and the substrate moisture content (SMC

, foliar damage such as leaf burn, scorch, necrosis, and premature defoliation could occur. High salinity levels may also reduce leaf photosynthesis and stomatal conductance ( g S ) ( Munns and Tester, 2008 ; Zollinger et al., 2007 ). Salt tolerance of

photosynthetic rate ( P N ), transpiration rate ( E ), stomatal conductance ( g S ), and intercellular CO 2 concentration ( C i ) were measured under a saturating photosynthetic photon flux density of 1200 ± 5 μmol·m −2 ·s −1 and an ambient CO 2 concentration

and solar midday according to Weatherley and Barrs (1965) and calculated from the following equation: Stomatal conductance ( g S ) was determined in the same day and at the same plants as shoot water potential using a steady-state porometer

. Fig. 2. Changes in leaf photosynthetic rate ( P N ) ( A ), transpiration rate ( T r ) ( B ), stomatal conductance ( g S ) ( C ), and intercellular CO 2 concentration ( C i ) ( D ) in ‘Wuniuzao’ after N fertilization. Uppercase and lowercase letters

significant variables measured. Linear regression analysis was conducted to identify relationships between stomatal resistance and leaf water potential using the GraphPad Prism Package ( GraphPad Prism Software Inc., 1999 ). Differences between the slopes of

and a nutrient strength for producing high yield and quality of soilless bitter gourd producing in greenhouse in the tropics. Materials and Methods Experimental site. Two trials were conducted in the greenhouse at Horticulture Farm of the Sher

increases in yield, and modification of plant constituents ( Rademacher, 2015 ; Tantasawat et al., 2015 ). Most studies on the participation of these compounds in apical meristems have been conducted with the five classical groups (i.e., auxins, cytokinins