2022
DOI: 10.1590/1678-4324-2022210338
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Climatic Variation on Gas Exchange and Chlorophyll a Fluorescence in Tabebuia roseoalba and Handroanthus heptaphyllus (Bignoniaceae)

Abstract: Climatic variation throughout the day influences the ecophysiological performance of plants at different growth stages and phases. Therefore, this work aimed to evaluate the effect of climatic variation on ecophysiological aspects of T. roseoalba and H. heptaphyllus at different hours of the day and indicate the ideal time for measuring ecophysiological variables in these species. The research was carried out in a greenhouse at the forest nursery of the Federal University of Paraíba, Campus II, in the municipa… Show more

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“…Ci is related to the supply and demand of CO 2 for photosynthesis. This factor is associated with turgor and leaf temperature, irradiance interception, and vapor pressure deficit, which modulate stomatal regulation (Griebel et al, 2020;Ribeiro et al, 2022). In the present study, we detected that the highest stomatal conductance (g s ) and net CO 2 assimilation rate (A) values allowed for the reduction of intercellular carbon.…”
Section: Resultssupporting
confidence: 50%
“…Ci is related to the supply and demand of CO 2 for photosynthesis. This factor is associated with turgor and leaf temperature, irradiance interception, and vapor pressure deficit, which modulate stomatal regulation (Griebel et al, 2020;Ribeiro et al, 2022). In the present study, we detected that the highest stomatal conductance (g s ) and net CO 2 assimilation rate (A) values allowed for the reduction of intercellular carbon.…”
Section: Resultssupporting
confidence: 50%