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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2020.09.001
|2 doi
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|a pubmed24n1051.xml
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|a (DE-627)NLM315479345
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|a (NLM)32977176
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|a (PII)S0981-9428(20)30449-6
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Saqib, Muhammad
|e verfasserin
|4 aut
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|a Root-mediated acidification and resistance to low calcium improve wheat (Triticum aestivum) performance in saline-sodic conditions
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 19.01.2021
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|a Date Revised 19.01.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Masson SAS. All rights reserved.
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|a Salinity represents a medium with high soluble salts where as sodicity represents a medium with high exchangeable sodium, low calcium and highly alkaline pH. Salinity and sodicity commonly occur together in salt-affected soils however physiological studies have mostly considered salinity alone ending up in poor field success of the selected genetic resources. Similarly, the role of root-mediated acidification in salt resistance is not known in wheat. Here six wheat genotypes were exposed to salinity (NaCl: 125 mM), low calcium (25% of non-treated control) and salinity + low calcium in solution culture. There were significant differences among the wheat genotypes for growth and leaf ionic composition under salinity, low calcium and salinity + low calcium treatments. The wheat genotypes SARC-1, 25-SAWSN-42 and Pasban-90 accumulated higher K+ and Ca2+ and lower Na+ and Cl- and were resistant to the combined stress of low calcium and salinity. These genotypes also showed higher root-mediated acidification under stress conditions. The wheat genotypes resistant to salinity + low calcium supply in solution culture also performed better in the saline-sodic soil in a lysimeter study. A genotype resistant to salinity alone accumulated lower Ca2+ and showed lower rhizosphere acidification potential and did not perform good in saline-sodic soil conditions. Therefore, root-mediated acidification potential and resistance to low calcium supply improves resistance of wheat to saline-sodic conditions. It is further suggested that screening of the wheat germplasm for saline-sodic soils should be carried out at salinity + low calcium to better simulate saline-sodic field conditions
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|a Journal Article
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|a Alkalinity
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|a Ca(2+)
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|a Genotypic variation
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|a K(+)
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|a Na(+)
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| 650 |
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|a Salinity
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|a Sodicity
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Abbas, Ghulam
|e verfasserin
|4 aut
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| 700 |
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|a Akhtar, Javaid
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 156(2020) vom: 01. Nov., Seite 201-208
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:156
|g year:2020
|g day:01
|g month:11
|g pages:201-208
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|u http://dx.doi.org/10.1016/j.plaphy.2020.09.001
|3 Volltext
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