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    Rights statement: This is the peer reviewed version of the following article: Liu, J, Kang, S, Davies, WJ, Ding, R. Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems. Plant Cell Environ. 2020; 43: 563– 578. https://doi.org/10.1111/pce.13677 which has been published in final form at https://onlinelibrary.wiley.com/doi/abs/10.1111/pce.13677 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

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Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems

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Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems. / Liu, J.; Kang, S.; Davies, W.J.; Ding, R.

In: Plant, Cell and Environment, Vol. 43, No. 3, 01.03.2020, p. 563-578.

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Liu, J. ; Kang, S. ; Davies, W.J. ; Ding, R. / Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems. In: Plant, Cell and Environment. 2020 ; Vol. 43, No. 3. pp. 563-578.

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@article{b131a1e6a1944c6c96e4307e98bc1b23,
title = "Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems",
abstract = "Plants can modify xylem anatomy and hydraulic properties to adjust to water status. Elevated [CO2] can increase plant water potential via reduced stomatal conductance and water loss. This raises the question of whether elevated [CO2], which thus improves plant water status, will reduce the impacts of soil water deficit on xylem anatomy and hydraulic properties of plants. To analyse the impacts of water and [CO2] on maize stem xylem anatomy and hydraulic properties, we exposed potted maize plants to varying [CO2] levels (400, 700, 900, and 1,200 ppm) and water levels (full irrigation and deficit irrigation). Results showed that at current [CO2], vessel diameter, vessel roundness, stem cross‐section area, specific hydraulic conductivity, and vulnerability to embolism decreased under deficit irrigation; yet, these impacts of deficit irrigation were reduced at elevated [CO2]. Across all treatments, midday stem water potential was tightly correlated with xylem traits and displayed similar responses. A distinct trade‐off between efficiency and safety in stem xylem water transportation in response to water deficit was observed at current [CO2] but not observed at elevated [CO2]. The results of this study enhance our knowledge of plant hydraulic acclimation under future climate environments and provide insights into trade‐offs in xylem structure and function.",
keywords = "elevated [CO2], embolism, hydraulic property, maize, water deficit, Xylem anatomy",
author = "J. Liu and S. Kang and W.J. Davies and R. Ding",
note = "This is the peer reviewed version of the following article: Liu, J, Kang, S, Davies, WJ, Ding, R. Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems. Plant Cell Environ. 2020; 43: 563– 578. https://doi.org/10.1111/pce.13677 which has been published in final form at https://onlinelibrary.wiley.com/doi/abs/10.1111/pce.13677 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving. ",
year = "2020",
month = mar
day = "1",
doi = "10.1111/pce.13677",
language = "English",
volume = "43",
pages = "563--578",
journal = "Plant, Cell and Environment",
issn = "0140-7791",
publisher = "Wiley",
number = "3",

}

RIS

TY - JOUR

T1 - Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems

AU - Liu, J.

AU - Kang, S.

AU - Davies, W.J.

AU - Ding, R.

N1 - This is the peer reviewed version of the following article: Liu, J, Kang, S, Davies, WJ, Ding, R. Elevated [CO2] alleviates the impacts of water deficit on xylem anatomy and hydraulic properties of maize stems. Plant Cell Environ. 2020; 43: 563– 578. https://doi.org/10.1111/pce.13677 which has been published in final form at https://onlinelibrary.wiley.com/doi/abs/10.1111/pce.13677 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

PY - 2020/3/1

Y1 - 2020/3/1

N2 - Plants can modify xylem anatomy and hydraulic properties to adjust to water status. Elevated [CO2] can increase plant water potential via reduced stomatal conductance and water loss. This raises the question of whether elevated [CO2], which thus improves plant water status, will reduce the impacts of soil water deficit on xylem anatomy and hydraulic properties of plants. To analyse the impacts of water and [CO2] on maize stem xylem anatomy and hydraulic properties, we exposed potted maize plants to varying [CO2] levels (400, 700, 900, and 1,200 ppm) and water levels (full irrigation and deficit irrigation). Results showed that at current [CO2], vessel diameter, vessel roundness, stem cross‐section area, specific hydraulic conductivity, and vulnerability to embolism decreased under deficit irrigation; yet, these impacts of deficit irrigation were reduced at elevated [CO2]. Across all treatments, midday stem water potential was tightly correlated with xylem traits and displayed similar responses. A distinct trade‐off between efficiency and safety in stem xylem water transportation in response to water deficit was observed at current [CO2] but not observed at elevated [CO2]. The results of this study enhance our knowledge of plant hydraulic acclimation under future climate environments and provide insights into trade‐offs in xylem structure and function.

AB - Plants can modify xylem anatomy and hydraulic properties to adjust to water status. Elevated [CO2] can increase plant water potential via reduced stomatal conductance and water loss. This raises the question of whether elevated [CO2], which thus improves plant water status, will reduce the impacts of soil water deficit on xylem anatomy and hydraulic properties of plants. To analyse the impacts of water and [CO2] on maize stem xylem anatomy and hydraulic properties, we exposed potted maize plants to varying [CO2] levels (400, 700, 900, and 1,200 ppm) and water levels (full irrigation and deficit irrigation). Results showed that at current [CO2], vessel diameter, vessel roundness, stem cross‐section area, specific hydraulic conductivity, and vulnerability to embolism decreased under deficit irrigation; yet, these impacts of deficit irrigation were reduced at elevated [CO2]. Across all treatments, midday stem water potential was tightly correlated with xylem traits and displayed similar responses. A distinct trade‐off between efficiency and safety in stem xylem water transportation in response to water deficit was observed at current [CO2] but not observed at elevated [CO2]. The results of this study enhance our knowledge of plant hydraulic acclimation under future climate environments and provide insights into trade‐offs in xylem structure and function.

KW - elevated [CO2]

KW - embolism

KW - hydraulic property

KW - maize

KW - water deficit

KW - Xylem anatomy

U2 - 10.1111/pce.13677

DO - 10.1111/pce.13677

M3 - Journal article

VL - 43

SP - 563

EP - 578

JO - Plant, Cell and Environment

JF - Plant, Cell and Environment

SN - 0140-7791

IS - 3

ER -