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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108236
|2 doi
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|a pubmed24n1301.xml
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|a (DE-627)NLM365557552
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|a (NLM)38064901
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|e rakwb
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|a eng
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|a Idoudi, Mariem
|e verfasserin
|4 aut
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|a Silicon (Si) mitigates the negative effects of iron deficiency in common bean (Phaseolus vulgaris L.) by improving photosystem activities and nutritional status
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 21.02.2024
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|a Date Revised 21.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a Silicon (Si) is the second most abundant element in the Earth's crust after oxygen. Its beneficial impact on crop development and yield, particularly under stressful conditions such as iron (Fe) deficiency, has been well documented. Fe deficiency is a critical constraint that limits crop production globally. The objective of this study was to investigate the effects of silicon (Na2SiO3) on common bean (Phaseolus vulgaris L. 'Coco Rose' variety) under iron-deficient conditions. The common bean plants were subjected to six treatments, which included three sufficient iron treatments (50 μM Fe) each paired with three varying silicon concentrations (0, 0.25, and 0.5 mM Si), and three iron-deficient treatments (0.1 μM Fe) each associated with the same silicon concentrations (0, 0.25, and 0.5 mM Si). The results indicate that iron deficiency had a negative impact on almost all the measured parameters. However, under silicon treatments, especially with 0.5 mM Si, the depressive effects of iron deficiency were significantly mitigated. The addition of 0.5 mM Si alleviated leaf chlorosis and improved biomass production, nutritional status, photosynthetic pigment content, photosynthetic gas exchange, and photosystem (PSI and PSII) activities. Interestingly, a greater beneficial effect of silicon was observed on PSII compared to PSI. This was accompanied by a significant augmentation in leaf iron concentration by 42%. Therefore, by enhancing the photosystem activities and nutritional status, among other mechanisms, silicon is capable of mitigating the adverse effects of iron-deficient conditions, making it a successful and effective solution to cope with this nutritional stress
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|a Journal Article
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|a Fe-deficient plants
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|a Macronutrients
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|a Micronutrients
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|a Photosynthetic activity
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|a Silicon
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|a Silicon
|2 NLM
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|a Z4152N8IUI
|2 NLM
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| 700 |
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|a Slatni, Tarek
|e verfasserin
|4 aut
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|a Laifa, Israa
|e verfasserin
|4 aut
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|a Rhimi, Nassira
|e verfasserin
|4 aut
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|a Rabhi, Mokded
|e verfasserin
|4 aut
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|a Hernández-Apaolaza, Lourdes
|e verfasserin
|4 aut
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|a Zorrig, Walid
|e verfasserin
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|a Abdelly, Chedly
|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 206(2024) vom: 15. Jan., Seite 108236
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:206
|g year:2024
|g day:15
|g month:01
|g pages:108236
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108236
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