Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis

Elevated atmospheric CO2 concentrations ([eCO2]) and soil water deficits significantly influence gas exchange in plant leaves, affecting the carbon-water cycle in terrestrial ecosystems. However, it remains unclear how the soil water deficit modulates the plant CO2 fertilization effect, especially f...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Fei Li, Dagang Guo, Xiaodong Gao, Xining Zhao
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	CO2 fertilization effect water deficit leaf gas exchange meta-analysis graphical vector analysis Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/d99195181bd948dd8e537158a5a5f23c
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:d99195181bd948dd8e537158a5a5f23c
record_format	dspace
spelling	oai:doaj.org-article:d99195181bd948dd8e537158a5a5f23c2021-12-01T13:56:26ZWater Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis1664-462X10.3389/fpls.2021.775477https://doaj.org/article/d99195181bd948dd8e537158a5a5f23c2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.775477/fullhttps://doaj.org/toc/1664-462XElevated atmospheric CO2 concentrations ([eCO2]) and soil water deficits significantly influence gas exchange in plant leaves, affecting the carbon-water cycle in terrestrial ecosystems. However, it remains unclear how the soil water deficit modulates the plant CO2 fertilization effect, especially for gas exchange and leaf-level water use efficiency (WUE). Here, we synthesized a comprehensive dataset including 554 observations from 54 individual studies and quantified the responses for leaf gas exchange induced by e[CO2] under water deficit. Moreover, we investigated the contribution of plant net photosynthesis rate (Pn) and transpiration rates (Tr) toward WUE in water deficit conditions and e[CO2] using graphical vector analysis (GVA). In summary, e[CO2] significantly increased Pn and WUE by 11.9 and 29.3% under well-watered conditions, respectively, whereas the interaction of water deficit and e[CO2] slightly decreased Pn by 8.3%. Plants grown under light in an open environment were stimulated to a greater degree compared with plants grown under a lamp in a closed environment. Meanwhile, water deficit reduced Pn by 40.5 and 37.8%, while increasing WUE by 24.5 and 21.5% under ambient CO2 concentration (a[CO2]) and e[CO2], respectively. The e[CO2]-induced stimulation of WUE was attributed to the common effect of Pn and Tr, whereas a water deficit induced increase in WUE was linked to the decrease in Tr. These results suggested that water deficit lowered the stimulation of e[CO2] induced in plants. Therefore, fumigation conditions that closely mimic field conditions and multi-factorial experiments such as water availability are needed to predict the response of plants to future climate change.Fei LiFei LiDagang GuoDagang GuoXiaodong GaoXiaodong GaoXiaodong GaoXining ZhaoXining ZhaoXining ZhaoFrontiers Media S.A.articleCO2 fertilization effectwater deficitleaf gas exchangemeta-analysisgraphical vector analysisPlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	CO2 fertilization effect water deficit leaf gas exchange meta-analysis graphical vector analysis Plant culture SB1-1110
spellingShingle	CO2 fertilization effect water deficit leaf gas exchange meta-analysis graphical vector analysis Plant culture SB1-1110 Fei Li Fei Li Dagang Guo Dagang Guo Xiaodong Gao Xiaodong Gao Xiaodong Gao Xining Zhao Xining Zhao Xining Zhao Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis
description	Elevated atmospheric CO2 concentrations ([eCO2]) and soil water deficits significantly influence gas exchange in plant leaves, affecting the carbon-water cycle in terrestrial ecosystems. However, it remains unclear how the soil water deficit modulates the plant CO2 fertilization effect, especially for gas exchange and leaf-level water use efficiency (WUE). Here, we synthesized a comprehensive dataset including 554 observations from 54 individual studies and quantified the responses for leaf gas exchange induced by e[CO2] under water deficit. Moreover, we investigated the contribution of plant net photosynthesis rate (Pn) and transpiration rates (Tr) toward WUE in water deficit conditions and e[CO2] using graphical vector analysis (GVA). In summary, e[CO2] significantly increased Pn and WUE by 11.9 and 29.3% under well-watered conditions, respectively, whereas the interaction of water deficit and e[CO2] slightly decreased Pn by 8.3%. Plants grown under light in an open environment were stimulated to a greater degree compared with plants grown under a lamp in a closed environment. Meanwhile, water deficit reduced Pn by 40.5 and 37.8%, while increasing WUE by 24.5 and 21.5% under ambient CO2 concentration (a[CO2]) and e[CO2], respectively. The e[CO2]-induced stimulation of WUE was attributed to the common effect of Pn and Tr, whereas a water deficit induced increase in WUE was linked to the decrease in Tr. These results suggested that water deficit lowered the stimulation of e[CO2] induced in plants. Therefore, fumigation conditions that closely mimic field conditions and multi-factorial experiments such as water availability are needed to predict the response of plants to future climate change.
format	article
author	Fei Li Fei Li Dagang Guo Dagang Guo Xiaodong Gao Xiaodong Gao Xiaodong Gao Xining Zhao Xining Zhao Xining Zhao
author_facet	Fei Li Fei Li Dagang Guo Dagang Guo Xiaodong Gao Xiaodong Gao Xiaodong Gao Xining Zhao Xining Zhao Xining Zhao
author_sort	Fei Li
title	Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis
title_short	Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis
title_full	Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis
title_fullStr	Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis
title_full_unstemmed	Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis
title_sort	water deficit modulates the co2 fertilization effect on plant gas exchange and leaf-level water use efficiency: a meta-analysis
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/d99195181bd948dd8e537158a5a5f23c
work_keys_str_mv	AT feili waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT feili waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT dagangguo waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT dagangguo waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT xiaodonggao waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT xiaodonggao waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT xiaodonggao waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT xiningzhao waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT xiningzhao waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis AT xiningzhao waterdeficitmodulatestheco2fertilizationeffectonplantgasexchangeandleaflevelwateruseefficiencyametaanalysis
_version_	1718405087429132288

Water Deficit Modulates the CO2 Fertilization Effect on Plant Gas Exchange and Leaf-Level Water Use Efficiency: A Meta-Analysis

Ejemplares similares