Search Results - "Pearcy, R.W."

Crown architecture in sun and shade environments: assessing function and trade-offs with a three-dimensional simulation model by Pearcy, Robert W., Muraoka, Hiroyuki, Valladares, Fernando

“…Sun and shade environments place markedly different constraints on the photosynthetic performance of plants. Leaf-level photosynthetic responses to sun and…”
Get full text

Plasticity influencing the light compensation point offsets the specialization for light niches across shrub species in a tropical forest understorey by Sterck, Frank J., Duursma, Remko A., Pearcy, Robert W., Valladares, Fernando, Cieslak, Mikolaj, Weemstra, Monique

“…1. Shade tolerance can be defined as the light level at which plants can survive and possibly grow. This light level is referred to as the whole-plant light…”
Get full text

Simulating three-dimensional grapevine canopies and modelling their light interception characteristics: Three-dimensional grapevine canopy model by Iandolino, A.B., Pearcy, R.W., Williams, L.E.

Get full text

Light interception efficiency explained by two simple variables: a test using a diversity of small‐ to medium‐sized woody plants by Duursma, R. A, Falster, D. S, Valladares, F, Sterck, F. J, Pearcy, R. W, Lusk, C. H, Sendall, K. M, Nordenstahl, M, Houter, N. C, Atwell, B. J, Kelly, N, Kelly, J. W. G, Liberloo, M, Tissue, D. T, Medlyn, B. E, Ellsworth, D. S

“…• Plant light interception efficiency is a crucial determinant of carbon uptake by individual plants and by vegetation. Our aim was to identify whole‐plant…”
Get full text

Simulating three-dimensional grapevine canopies and modelling their light interception characteristics by Iandolino, A.B., Pearcy, R.W., Williams, L.E.

“…Background and Aims The objective of this study was to develop a simplified approach to simulate three‐dimensional (3D) grapevine canopies and model light…”
Get full text

Stomatal behavior and photosynthetic performance under dynamic light regimes in a seasonally dry tropical rain forest by Allen, M.T, Pearcy, R.W

“…Rates of photosynthetic induction upon exposure to high light and rates of induction loss after darkening the leaf were measured in the field for four species…”
Get full text

geometry of light interception by shoots of Heteromeles arbutifolia: morphological and physiological consequences for individual leaves by Valladares, F, Pearcy, R.W

“…The influence of leaf orientation and position within shoots on individual leaf light environments, carbon gain, and susceptibility to photoinhibition was…”
Get full text

Stomatal versus biochemical limitations to dynamic photosynthetic performance in four tropical rainforest shrub species by Allen, M.T, Pearcy, R.W

“…Photosynthetic performance under dynamic light regimes was assessed in four different species of tropical shrubs from the family Rubiaceae via field gas…”
Get full text

Interaction between photo flux density and elevated temperatures on photoinhibition in Alocasia macrorrhiza by Koniger, M, Harris, G.C, Pearcy, R.W

“…The effects of light and elevated temperatures on the efficiency of energy conversion in PSII [efficiency of energy conversion in PSII at different PFDs =…”
Get full text

Stomatal dynamics and its importance to carbon gain in two rainforest Piper species. II. Stomatal versus biochemical limitations during photosynthetic induction by Tinoco-Ojanguren, C, Pearcy, R.W

“…The relative importance of biochemical and stomatal limitations on assimilation (A) during photosynthetic induction were compared in sun and shade plants of…”
Get full text

Regulation of photosynthetic induction state by the magnitude and duration of low light exposure by Sassenrath-Cole, G.F. (USDA, ARS, Mississippi State University, MS.), Pearcy, R.W

“…This study was undertaken to examine the dependence of the regulatory enzymes of photosynthetic induction on photon flux density (PFD) exposure in soybean…”
Get full text

Interactions between acclimation and photoinhibition of photosynthesis of a tropical forest understorey herb, Alocasia macrorrhiza, during simulated canopy gap formation by Mulkey, S.S, Pearcy, R.W

“…1. The effects of a sudden increase in irradiance and the high leaf temperatures characteristic of a canopy gap environment were studied with chlorophyll…”
Get full text

Influence of sunflecks on the delta 13C of Adenocaulon bicolor plants occurring in contrasting forest understory microsites by Pearcy, R.W, Pfitsch, W.A

Get full text

The role of ribulose-1,5-bisphosphate regeneration in the induction requirement of photosynthetic CO2 exchange under transient light conditions by Sassenrath-Cole, G.F. (Mississippi State University, Starkville, MS), Pearcy, R.W

“…The temporally variable light environment of natural plant canopies presents distinct limitations to carbon assimilation, partially as a result of the…”
Get full text

Photosynthesis and respiration in Alocasia macrorrhiza following transfers to high and low light by Sims, D.A, Pearcy, R.W

“…Photosynthetic capacities and respiration rates of Alocasia macrorrhiza leaves were measured for 4 weeks following reciprocal transfers between high (20% of…”
Get full text

Leaf movement, stress avoidance and photosynthesis in Vitis californica by Gamon, J.A, Pearcy, R.W

“…Gas exchange and chlorophyll fluorescence techniques were used to evaluate the hypothesis that leaf movement in Vitis californica Benth. (California wild…”
Get full text

light emvironment and growth of C3 and C4 tree species in the understory of a Hawaiian forest by Pearcy, R.W

Get full text

Dynamic stomatal behavior and its role in carbon gain during lightflecks of a gap phase and an understory Piper species acclimated to high and low light by Tinoco-Ojanguren, C, Pearcy, R.W

“…Steady-state and dynamic stomatal and assimilation responses to light transients were characterized in sun- and shade-acclimated plants of Piper auritum, a…”
Get full text

Sunfleck frequency and duration affects growth rate of the understorey plant, Alocasia macrorrhiza by Sims, D.A, Pearcy, R.W

“…1. We measured the gas exchange and growth responses of Alocasia macrorrhiza to three light regimes; short lightflecks (SF), long lightflecks (LF), and uniform…”
Get full text

Effect of leaf flutter on the light environment of poplars by Roden, J.S. (California Univ., Davis, CA (USA). Dept. of Botany), Pearcy, R.W

“…The dynamics of the canopy light environment for two poplar species (Populus tremuloides Michx., and P. fremontii Wats.) were characterized with an array of…”
Get full text