Conditions leading to high CO2 (>5 kPa) in waterlogged-flooded soils and possible effects on root growth and metabolism.

Annals of Botany
Hank GreenwayTimothy D Colmer

Abstract

Soil waterlogging impedes gas exchange with the atmosphere, resulting in low P(O2) and often high P(CO2). Conditions conducive to development of high P(CO2) (5-70 kPa) during soil waterlogging and flooding are discussed. The scant information on responses of roots to high P(CO2) in terms of growth and metabolism is reviewed. P(CO2) at 15-70 kPa has been reported for flooded paddy-field soils; however, even 15 kPa P(CO2) may not always be reached, e.g. when soil pH is above 7. Increases of P(CO2) in soils following waterlogging will develop much more slowly than decreases in P(O2); in soil from rice paddies in pots without plants, maxima in P(CO2) were reached after 2-3 weeks. There are no reliable data on P(CO2) in roots when in waterlogged or flooded soils. In rhizomes and internodes, P(CO2) sometimes reached 10 kPa, inferring even higher partial pressures in the roots, as a CO2 diffusion gradient will exist from the roots to the rhizomes and shoots. Preliminary modelling predicts that when P(CO2) is higher in a soil than in roots, P(CO2) in the roots would remain well below the P(CO2) in the soil, particularly when there is ventilation via a well-developed gas-space continuum from the roots to the atmosphere. The few availabl...Continue Reading

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Citations

Apr 14, 2009·Journal of Experimental Botany·Konstantin Yu KulichikhinTimothy D Colmer
Sep 18, 2010·Journal of Experimental Botany·Timothy David Colmer, Hank Greenway
May 1, 2008·Annual Review of Plant Biology·J Bailey-Serres, L A C J Voesenek
Jan 1, 2012·Rice·Shunsaku NishiuchiMikio Nakazono
Jul 16, 2015·Critical Reviews in Biotechnology·Ujjal J PhukanRakesh Kumar Shukla
Feb 5, 2016·Journal of Experimental Botany·John A Raven, Timothy D Colmer
Nov 22, 2007·The New Phytologist·Robert O TeskeyMary Anne McGuire
Feb 17, 2009·Annals of Botany·Anders Winkel, Jens Borum
Mar 28, 2013·Annals of Botany·Stephan BlossfeldPhilippe Hinsinger
Nov 14, 2015·Plant, Cell & Environment·Max HerzogOle Pedersen
Oct 19, 2017·Tree Physiology·Timo DomischPasi Rautio
Feb 28, 2018·Plant, Cell & Environment·Rushna MunirTimothy D Colmer
Jun 10, 2018·Physiologia Plantarum·Hiroyuki ShimonoJohn R Evans
May 17, 2008·The New Phytologist·Timothy D Colmer, Timothy J Flowers
Dec 24, 2010·The New Phytologist·Dennis KonnerupHans Brix
Jul 23, 2013·Environmental Science and Pollution Research International·Haiming WuXiaoli Xu
Oct 16, 2010·Plant Signaling & Behavior·Bianka Steffens, Margret Sauter
May 23, 2013·The New Phytologist·Pieter VerbovenHardy Rolletschek
Aug 6, 2019·Plant, Cell & Environment·Guy J D KirkTiina Roose
Feb 28, 2019·Frontiers in Plant Science·S M Nuruzzaman ManikMeixue Zhou
Dec 17, 2008·The Plant Journal : for Cell and Molecular Biology·Ole PedersenTimothy David Colmer
Sep 13, 2017·Plant, Cell & Environment·Marie-Cecile AffholderGuy J D Kirk
Dec 24, 2018·Plant, Cell & Environment·Christine H FoyerHon-Ming Lam
Aug 1, 2009·Functional Plant Biology : FPB·T D Colmer, L A C J Voesenek
Oct 11, 2021·Plant, Cell & Environment·Guy J D KirkMatthias Wissuwa
Aug 13, 2011·Journal of Colloid and Interface Science·Allen Chaparadza, Jeanne M Hossenlopp

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