Ecophysiology

NSC storage is highly dynamic at the diurnal timescale, exhibiting vertical mixing and a potential role for the xylem as a secondary pathway for sugar redistribution.

A bio-physical model of the ”root hydraulic anatomy“ allows testing hypotheses related to radial water transport down to the cell level and proves complementary to current experimental approaches.

Declines in leaf outside-xylem hydraulic conductance prior to turgor loss point contribute strongly to stomatal closure, and improve performance, survival and efficient water use during drought.

An optical method is shown to accurately measure the vulnerability of stem xylem to cavitation during water stress.

A ground-based platform enables high-throughput, image-based data and analysis to characterize plant architecture of a tall biomass crop species.

Genetic variance for mesophyll conductance among cultivars in both chambers and the field indicate photosynthesis, but not water use efficiency, would be improved by enhancing mesophyll conductance.

Pollen development at high temperature depends on a fine balance between acclimation and injury.

Monitoring of freezing in trees via nondestructive methods revealed complex spatial and temporal freezing patterns that promote internal water shifts and cavitation events.

The abundance of drought-regulated miRNAs is affected by grafting in grapevine.

Partial least-squares regression modeling of leaf reflectance spectra provides a high-throughput and accurate approach to phenotyping photosynthesis and leaf biochemistry in maize.

Aridity-adapted Eucalyptus and Corymbia species invest in high leaf vein densities to offset the negative effect of leaf thickness on photosynthesis.

The cytochrome oxidase pathway mediates photorespiratory glycine oxidation and amino acid synthesis under severe light stress, thus reducing photoinhibition when alternative oxidase is not induced.

Suppressing chloroplastic HCF106 and THF1 expression enhances drought resistance in Arabidopsis.

When confronted with sequential abiotic and biotic stress, black mustard regulates glycerol and central energy metabolism to prioritize processes of photosynthesis and stomatal osmoregulation.

Eight Arabidopsis accessions highlight early transcriptional and posttranscriptional responses to starvation and flooding stress.

Novel, image-based phenotyping methods enhance characterization of plant-pathogen interactions.

Plant systems, both natural and managed, face a wide range of environmental challenges, which are expected to become more intense as a result of global climate change. Plants have adapted to an incredible range of environments, and the fields of ecological and environmental plant physiology have ...

Herbs display a wide range of embolism resistance and do not show pronounced embolism formation throughout the growing season.

Integrating knowledge from physiological ecology, evolutionary biology, phylogenetics, and paleobiology provides novel insights into factors driving plant physiological responses to both past and future climate change.

Concurrent elevated temperature and CO2 may extend late-season photosynthesis at the cost of impaired freezing tolerance in Eastern white pine (Pinus strobus L.) seedlings.

Plant physiological and growth characteristics drive linear and nonlinear shifts in the functioning of mycorrhizal associations across a 180 to 1,000 µL L−1 [CO2] gradient.

Field-based, high-throughput phenotyping enables the detailed characterization of plant populations under relevant conditions, providing valuable biological insight into the life history of plants.

Adaptation of an endemic long-lived monocarpic perennial to high altitude is influenced by multiple mechanisms operating at various levels

A genome-wide analysis of maize yield in identify genomic regions associated with adaptation to scenarios with drought or heat stresses.

Whole-plant glutamine mobilization aids local tissue, pathway-specific auxin biosynthesis in maize roots as a way to stimulate root regrowth after herbivory by the western corn rootworm.

Species diversity in Rubisco catalysis shows consistencies in temperature response, which can be used to improve crop photosynthetic efficiency.

Ethylene and shade share a conserved set of molecular regulators to control the plasticity of hypocotyl elongation in Arabidopsis.

Physiological and gene expression analyses across field and greenhouse experiments highlight diverse gene expression patterns that produce physiologically similar responses to soil water deficits.

Arabidopsis accessions show different patterns of integrating root responses to phosphate starvation and salt stress.

Intrinsic water-use efficiency of grasslands increased over a wide range of nutrient inputs, soil pH, and plant community compositions during the last century.