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Supplementary calcium restores peanut (Arachis hypogaea) growth and photosynthetic capacity under low nocturnal temperature

Song, Qiaobo and Liu, Yifei and Pang, Jiayin and Yong, Jean W.H and Chen, Yinglong and Bai, Chunming and Gille, Clément and Shi, Qingwen and Wu, Di and Han, Xiaori and Li, Tianlai and Siddique, Kadambot H.M. and Lambers, Hans (2020). Supplementary calcium restores peanut (Arachis hypogaea) growth and photosynthetic capacity under low nocturnal temperature. Frontiers in Plant Science. 10 , 1-15
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Abstract

Peanut (Arachis hypogaea L.) is a globally important oil crop, which often experiences poor growth and seedling necrosis under low nocturnal temperatures (LNT). This study assessed the effects of supplementary calcium (Ca2+) and a calmodulin inhibitor on peanut growth and photosynthetic characteristics of plants exposed to LNT, followed by recovery at a higher temperature. We monitored key growth and photosynthetic parameters in a climate-controlled chamber in pots containing soil. LNT reduced peanut growth and dry matter accumulation, enhanced leaf nonstructural carbohydrates concentrations and non-photochemical quenching, decreased the electron transport rate, increased the transmembrane proton gradient, and decreased gas exchange rates. In peanuts subjected to LNT, foliar application of Ca2+ restored growth, dry matter production and leaf photosynthetic capacity. In particular, the foliar Ca2+ application restored temperature-dependent photosynthesis feedback inhibition due to improved growth/ sink demand. Foliar sprays of a calmodulin inhibitor further deteriorated the effects of LNT which validated the protective role of Ca2+ in facilitating LNT tolerance of peanuts.

Authors/Creators:Song, Qiaobo and Liu, Yifei and Pang, Jiayin and Yong, Jean W.H and Chen, Yinglong and Bai, Chunming and Gille, Clément and Shi, Qingwen and Wu, Di and Han, Xiaori and Li, Tianlai and Siddique, Kadambot H.M. and Lambers, Hans
Title:Supplementary calcium restores peanut (Arachis hypogaea) growth and photosynthetic capacity under low nocturnal temperature
Year of publishing :2020
Volume:10
Page range:1-15
Number of Pages:15
Publisher:Frontiers
ISSN:1664-462X
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Botany
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Soil Science
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Horticulture
Keywords:peanut, low nocturnal temperature, growth, calcium, photosynthesis
URN:NBN:urn:nbn:se:slu:epsilon-p-102698
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-102698
Additional ID:
Type of IDID
DOI10.3389/fpls.2019.01637
ID Code:16594
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Biosystems and Technology (from 130101)
(VH) > Department of Biosystems and Technology (from 130101)
Deposited By: SLUpub Connector
Deposited On:20 Feb 2020 11:58
Metadata Last Modified:20 Feb 2020 11:58

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