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240215s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108416
|2 doi
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|a pubmed25n1227.xml
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|a (PII)S0981-9428(24)00084-6
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|a DE-627
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|e rakwb
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|a eng
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|a Yang, Lan
|e verfasserin
|4 aut
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|a Exogenous application of silicon and selenium improves the tolerance of tomato plants to calcium nitrate stress
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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 18.03.2024
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|a Date Revised 18.03.2024
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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 Silicon (Si) and selenium (Se) can improve the tolerance of plants to NaCl-induced salt stress. However, few studies are available on their regulatory effects on plants' tolerance to calcium nitrate stress, which often occurs in protected facilities, causing secondary soil salinization. In this study, we report the effects of Si (6 mM) and Se (20 μM) applied separately or in combination on the growth, photosynthesis, oxidative damage, and nitrogen metabolism of tomato plants, as well as fruit quality under calcium nitrate stress. The results showed that applications of Si or Se alone or in combination improved the plant growth and photosynthetic performance and reduced oxidative damage of the stressed plants. Applications of Si and Se did not decrease the calcium accumulation in leaves of the stressed plants. Under calcium nitrate stress, the concentrations of NO3-, NO2- and NH4+ in leaves were significantly increased, while the activities of nitrogen assimilation-related enzymes (including nitrate reductase, nitrite reductase, glutamine synthase, glutamine-2-oxoglutarate aminotransferase and glutamate dehydrogenase) were decreased. Applications of Si and Se, especially their combined treatment, decreased the NO3-, NO2-, and NH4+ concentrations and enhanced the activities of nitrogen assimilation-related enzymes in the stressed plants. Applied Si and Se also decreased the nitrate and titratable acid concentrations and increased vitamin levels in tomato fruits under calcium nitrate stress. It is suggested that Si and Se improved the tomato plant growth and fruit quality under calcium nitrate stress by alleviating oxidative damage and promoting both photosynthesis and nitrogen assimilation
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|a Journal Article
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|a Calcium nitrate stress
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|a Fruit quality
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|a Nitrogen assimilation
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|a Oxidative damage
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|a Selenium
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|a Silicon
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|a Solanum lycopersicum
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|a calcium nitrate
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|a NF52F38N1N
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|a Nitrates
|2 NLM
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|a Selenium
|2 NLM
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|a H6241UJ22B
|2 NLM
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|a Silicon
|2 NLM
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|a Z4152N8IUI
|2 NLM
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|a Nitrogen Dioxide
|2 NLM
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|a S7G510RUBH
|2 NLM
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|a Glutamine
|2 NLM
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|a 0RH81L854J
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Calcium Compounds
|2 NLM
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|a Han, Rong
|e verfasserin
|4 aut
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|a Duan, Yaoke
|e verfasserin
|4 aut
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|a Li, Jiayi
|e verfasserin
|4 aut
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|a Gou, Tianyun
|e verfasserin
|4 aut
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|a Zhou, Jie
|e verfasserin
|4 aut
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|a Zhu, Haijia
|e verfasserin
|4 aut
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|a Xu, Zhongmin
|e verfasserin
|4 aut
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|a Guo, Jia
|e verfasserin
|4 aut
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| 700 |
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|a Gong, Haijun
|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 207(2024) vom: 05. Feb., Seite 108416
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
1 |
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|g volume:207
|g year:2024
|g day:05
|g month:02
|g pages:108416
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108416
|3 Volltext
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