Potassium and sodium relations in salinised barley tissues as a basis of differential salt tolerance

Functional Plant Biology : FPB
Zhonghua ChenSergey Shabala

Abstract

A large-scale glasshouse trial, including nearly 70 barley cultivars (5300 plants in total), was conducted over 2 consecutive years to investigate plant physiological responses to salinity. In a parallel set of experiments, plant salt tolerance was assessed by non-invasive microelectrode measurements of net K+ flux from roots of 3-day-old seedlings of each cultivar after 1 h treatment in 80 mm NaCl as described in our previous publication (Chen et al. 2005). K+ flux from the root in response to NaCl treatment was highly (P < 0.001) inversely correlated with relative grain yield, shoot biomass, plant height, net CO2 assimilation, survival rate and thousand-seed weight measured in glasshouse experiments after 4-5 months of salinity treatment. No significant correlation with relative germination rate or tillering was found. In general, 62 out of 69 cultivars followed an inverse relationship between K+ efflux and salt tolerance. In a few cultivars, however, high salt tolerance (measured as grain yield at harvest) was observed for plants showing only modest ability to retain K+ in the root cells. Tissue elemental analysis showed that these plants had a much better ability to prevent Na+ accumulation in plant leaves and, thus, to mai...Continue Reading

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Citations

Aug 26, 2009·Plant Signaling & Behavior·Christiane F SmethurstSergey Shabala
Jan 16, 2010·Functional & Integrative Genomics·Yuri ShavrukovNicholas C Collins
Dec 18, 2009·The Plant Journal : for Cell and Molecular Biology·Sergey ShabalaLars H Wegner
Jun 1, 2008·Plant Signaling & Behavior·Isaac Zepeda-JazoIgor I Pottosin
May 22, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Y GencG K McDonald
Nov 27, 2014·Frontiers in Plant Science·Karthika KrishnasamyQifu Ma
Oct 1, 2011·Biomolecular Concepts·Sergey Shabala, Lana Shabala
Mar 7, 2017·Frontiers in Plant Science·Chang-Lin ChenC Gerard van der Linden
Aug 30, 2008·Physiologia Plantarum·Sergey Shabala, Tracey A Cuin
Jun 20, 2008·Journal of Experimental Botany·Herbert J KronzuckerDev T Britto
Jul 22, 2014·Journal of Integrative Plant Biology·Honghong WuSergey Shabala
May 1, 2013·Journal of Experimental Botany·Shanjun TianRuilian Jing
Mar 10, 2015·Frontiers in Plant Science·Honghong WuSergey Shabala
Mar 10, 2016·Frontiers in Plant Science·Seyed A HosseiniNicolaus von Wirén
Aug 25, 2010·Journal of Experimental Botany·Yuda HariadiSergey Shabala
Nov 11, 2010·Plant, Cell & Environment·Sergey ShabalaLev G Nemchinov
Apr 4, 2013·International Journal of Molecular Sciences·Min WangShiwei Guo
Mar 17, 2015·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Junmei WangMeixue Zhou
Aug 4, 2015·Environmental Science and Pollution Research International·Irina ShtangeevaSergey Timofeev
Mar 3, 2019·International Journal of Molecular Sciences·Akhtar AliDae-Jin Yun

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