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240814s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.109029
|2 doi
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|a pubmed24n1533.xml
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|a (DE-627)NLM376250216
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|a (NLM)39137682
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|a (PII)S0981-9428(24)00697-1
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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 Abbas, Ghulam
|e verfasserin
|4 aut
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|a Multivariate characterization of salicylic acid and potassium induced physio-biochemical and phytoremediation responses in quinoa exposed to lead and cadmium contamination
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|c 2024
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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 14.09.2024
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|a Date Revised 14.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a The levels of soils pollutants such as lead (Pb) and cadmium (Cd) have significantly increased recently resulting in ecological disturbances and threatening crop production. Various amendments have been employed to enhance the tolerance of crops to withstand Cd and Pb stresses. However, the role of combined application of potassium (K) and of salicylic acid (SA) for Cd and Pb stress mitigation and phytoremediation by quinoa (Chenopodium quinoa Willd) has not been comprehended well. In the present study, the effect of 10 mM K and 0.1 mM SA was tested on the quinoa plants subjected to 250 μM Pb and/or 100 μM Cd. The Pb and Cd treatments were applied separately or together. Phytotoxicity induced by Pb and Cd resulted in drastic decrease (>60%) in chlorophyll contents, stomatal conductance, and plant biomass. The collective treatment of Pb and Cd induced an increase in the concentration of hydrogen peroxide (13-fold) and lipid peroxidation (16-fold) that resulted in a 61% reduction in membrane stability. The application of 10 mM K and/or 0.1 mM SA was remarkable in mitigating the adverse effect of Pb and Cd. The reduction in plant biomass was 17% when 10 mM K and 0.1 mM SA were applied together under the combined treatment of both the metals. The simultaneous application of K and SA effectively mitigated oxidative stress by enhancing the activities of superoxide dismutase, peroxidase, ascorbate peroxidase, and catalase by 12, 10, 7 and 10-folds respectively. The positive effect of K and SA on these attributes resulted in a remarkable reduction in metal accumulation and translocation and lipid peroxidation. The stressed plants supplemented with K and SA exhibited a significant improvement in the membrane stability index, chlorophyll content, and stomatal conductance. This study concluded that the combined application of K and SA could be a good approach for reducing Pb and Cd phytotoxicity in quinoa and enhancing their phytostabilization potential in the contaminated soils
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|a Journal Article
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|a Antioxidant enzymes
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|a Heavy metals
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|a Oxidative stress
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|a Phytostabilization
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|a Quinoa
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|a Cadmium
|2 NLM
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|a 00BH33GNGH
|2 NLM
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| 650 |
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|a Lead
|2 NLM
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| 650 |
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|a 2P299V784P
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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| 650 |
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|a O414PZ4LPZ
|2 NLM
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| 650 |
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|a Potassium
|2 NLM
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| 650 |
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|a RWP5GA015D
|2 NLM
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| 650 |
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Chlorophyll
|2 NLM
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| 650 |
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|a 1406-65-1
|2 NLM
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| 650 |
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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1 |
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|a Tariq, Muhammad Luqman
|e verfasserin
|4 aut
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1 |
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|a Khan, M Nasir
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ahmed, Khalil
|e verfasserin
|4 aut
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1 |
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|a Amjad, Muhammad
|e verfasserin
|4 aut
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| 700 |
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|a Jabeen, Zahra
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ali, Qasim
|e verfasserin
|4 aut
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| 700 |
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|a Raza, Mohsin
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 215(2024) vom: 01. Sept., Seite 109029
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:215
|g year:2024
|g day:01
|g month:09
|g pages:109029
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2024.109029
|3 Volltext
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