Results 31 to 40 of about 3,594,215 (244)

Photosynthetic light‐use efficiency of rice leaves under fluctuating incident light

open access: yesAgrosystems, Geosciences & Environment, 2020
The responsiveness of photosynthesis to continuously fluctuating light intensities can provide an estimate of the net assimilation rate (A) and photosynthetic light‐use efficiency (PLUE), which cannot be measured under steady‐state conditions. This study
Kenichi Tatsumi   +2 more
doaj   +1 more source

Variation in Photosynthetic Efficiency under Fluctuating Light between Rose Cultivars and its Potential for Improving Dynamic Photosynthesis

open access: yesPlants, 2023
Photosynthetic efficiency under both steady-state and fluctuating light can significantly affect plant growth under naturally fluctuating light conditions.
Xiao-Qian Wang   +4 more
doaj   +1 more source

Competition of Phytoplankton under Fluctuating Light

open access: yesThe American Naturalist, 2001
Light is an essential resource for phytoplankton and fluctuates on a wide range of timescales. To understand how light fluctuations affect phytoplankton community structure and diversity, we have studied a set of simple models using a combination of analytical and numerical techniques.
Litchman, E., Klausmeier, C.A.
openaire   +3 more sources

Photorespiration plays an important role in the regulation of photosynthetic electron flow under fluctuating light in tobacco plants grown under full sunlight

open access: yesFrontiers in Plant Science, 2015
Plants usually experience dynamic fluctuations of light intensities under natural conditions. However, the responses of mesophyll conductance, CO2 assimilation, and photorespiration to light fluctuation are not well understood.
Wei eHuang, Hong eHu, Shi-Bao eZhang
doaj   +1 more source

Effects of Artificially Reproduced Fluctuations in Sunlight Spectral Distribution on the Net Photosynthetic Rate of Cucumber Leaves

open access: yesFrontiers in Plant Science, 2021
The effects of photosynthetic photon flux density (PPFD) fluctuations in sunlight have already been investigated; however, the spectral photon flux density distribution (SPD) has hardly been considered.
Ryo Matsuda   +2 more
doaj   +1 more source

Hormonal nature of seed responses to fluctuating temperatures in Cynara cardunculus (L.) [PDF]

open access: yes, 2010
Cynara cardunculus (L.) seeds require incubation at fluctuating temperatures to terminate dormancy. In this study, we analysed the physiological mechanisms underlying such a requirement, focusing on the role of abscisic acid (ABA) and gibberellin (GA ...
Benech-Arnold, Roberto Luis   +3 more
core   +1 more source

Plasticity of Arabidopsis rosette transcriptomes and photosynthetic responses in dynamic light conditions

open access: yesPlant Direct, 2023
With the high variability of natural growth environments, plants exhibit flexibility and resilience in regard to the strategies they employ to maintain overall fitness, including maximizing light use for photosynthesis, while simultaneously limiting ...
Hussien F. Alameldin   +1 more
doaj   +1 more source

Photosynthetic Acclimation to Fluctuating Irradiance in Plants

open access: yesFrontiers in Plant Science, 2020
Unlike the short-term responses of photosynthesis to fluctuating irradiance, the long-term response (i.e., acclimation) at the chloroplast, leaf, and plant level has received less attention so far.
Alejandro Morales   +3 more
doaj   +1 more source

Sensory perception of fluctuating light in Arabidopsis

open access: yesPlant, Cell & Environment
Summary When exposed to shade from neighbours, competitive plants modify their growth patterns to improve access to light. In dense plant stands, ranging from forests to humid grasslands and crops, shade is interrupted by sunflecks penetrating the canopy.
Antonela Belmonte   +6 more
openaire   +2 more sources

Effects of Environmental and Non-Environmental Factors on Dynamic Photosynthetic Carbon Assimilation in Leaves under Changing Light

open access: yesPlants, 2023
Major research on photosynthesis has been carried out under steady light. However, in the natural environment, steady light is rare, and light intensity is always changing.
Yu-Ting Li, Hui-Yuan Gao, Zi-Shan Zhang
doaj   +1 more source

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