Results 21 to 30 of about 904,777 (238)

Root Zone Cooling and Exogenous Spermidine Root-Pretreatment Promoting Lactuca sativa L. Growth and Photosynthesis in the High-Temperature Season

open access: yesFrontiers in Plant Science, 2016
Root zone high-temperature stress is a major factor limiting hydroponic plant growth during the high-temperature season. The effects of root zone cooling (RZC; at 25°C) and exogenous spermidine (Spd) root-pretreatment (SRP, 0.1 mM) on growth, leaf ...
Jin eSun   +6 more
doaj   +1 more source

An inversion model based on GEOS-Chem for estimating global and China's terrestrial carbon fluxes in 2019

open access: yesAdvances in Climate Change Research, 2023
The 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories added the method of assimilating atmospheric CO2 concentrations to invert carbon sources and sinks; however, many global carbon inversion models are not publicly ...
Chong-Yuan Wu   +7 more
doaj   +1 more source

Gas exchanges in peach palms as a function of the spad chlorophyll meter readings

open access: yesRevista Brasileira de Fruticultura, 2011
The close relationship between the chlorophyll-meters readings and the total chlorophyll and nitrogen contents in leaves, has allowed their evaluation both in annual and perennial species.
Maria Luiza Sant'anna Tucci   +3 more
doaj   +1 more source

ANALYSIS OF THE TEMPERATURE DEPENDENCE OF CO2 ASSIMILATION RATE (STUDY CASE: GLYCINE MAXL. MERR)

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2011
The maximum rate of carboxylation (Kcmax) and maximum rate of regeneration of Ribulose bisphosphate (RuBP) (controlled by the rate of electron transport, Jmax) arc two processes governing the photosynthetic capacity of plants.
TANIA JUNE
doaj   +1 more source

Gas exchange and photochemical efficiency of cotton cultivars under leaf application of silicon

open access: yesSemina: Ciências Agrárias, 2014
The objective of this study was to evaluate gas exchange and photochemical efficiency of cotton cultivars under leaf application of silicon. Therefore, the experiment was conducted in a completely randomized in a factorial 3 x 5, three cotton cultivars (‘
Rener Luciano de Souza Ferraz   +5 more
doaj   +1 more source

On‐Demand Deconstructable Thermosets Through Cleavable Comonomer and Thermolatent Base Synergy

open access: yesAngewandte Chemie, EarlyView.
Thermosets, valued for their chemical and mechanical properties, resist recycling due to their cross‐linked structure. Weak bonds via comonomers enable degradability, but diffusion limits effectiveness. We incorporate thermolatent bases before polymerization (thermal or 3D‐VAT printing).
Sophia Kouider   +15 more
wiley   +2 more sources

Critical Leaf Magnesium Thresholds and the Impact of Magnesium on Plant Growth and Photo-Oxidative Defense: A Systematic Review and Meta-Analysis From 70 Years of Research

open access: yesFrontiers in Plant Science, 2019
Magnesium (Mg) deficiency in plants is a widespread problem affecting productivity and quality in agricultural systems and forestry. Although numerous studies addressed the effect of Mg deficiency on biomass and photosynthetic CO2 assimilation, a summary
Melanie Hauer-Jákli, Merle Tränkner
doaj   +1 more source

Precipitation as driver of carbon fluxes in 11 African ecosystems [PDF]

open access: yes, 2008
This study reports carbon and water fluxes between the land surface and atmosphere in eleven different ecosystems types in Sub-Saharan Africa, as measured using eddy covariance (EC) technology in the first two years of the CarboAfrica network operation ...
F. Timouk   +121 more
core   +2 more sources

PSI-mediated NADPH production and enzyme regulation are critical for carbon assimilation in pepper seedlings under cadmium stress

open access: yesHorticultural Plant Journal
Photosynthetic CO2 assimilation forms the basis of crop growth and yield formation and is highly sensitive to soil cadmium (Cd) pollution. This study investigated the mechanisms behind Cd-induced inhibition of photosynthetic CO2 assimilation in pepper ...
Zhimin Yu   +6 more
doaj   +1 more source

The transcriptome of Populus in elevated CO2 reveals increased anthocyanin biosynthesis during delayed autumnal senescence [PDF]

open access: yes, 2010
The delay in autumnal senescence that has occurred in recent decades has been linked to rising temperatures. Here, we suggest that increasing atmospheric CO2 may partly account for delayed autumnal senescence and for the first time, through transcriptome
Tallis, M.J.   +26 more
core   +1 more source

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