Othman figure showing midday water stem potential

A table that shows photosynthesis declines even when the light levels are high when the stomata are closed.

Figure 1. The relationships of photosynthesis, stomatal conductance and transpiration to plant water status (given as midday stem water potential) in ‘Western’ pecan (from Othman et al., 2017)

Othman, Y., D. VanLeeuwen, R. Heerema, and R. St. Hilaire. 2014. Midday stem water potential values needed to maintain photosynthesis and leaf gas exchange established for pecan. Journal of the American Society for Horticultural Science 139(5): 537-546.