Effect of lanthanum on ion absorption in cucumber seedling leaves

Scanning electron microscope and energy-dispersive X-ray analysis were used to study the tissular distributions of elements Na, Mg, Cl, K, Ca, Mn, and Fe in leaves of cucumber seedlings in the absence or presence of La3+. The results showed that the atomic percentages of Na, Mg, Cl, K, and Ca were b...

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Published in:Biological trace element research 2000-12, Vol.78 (1-3), p.265-270
Main Authors: Zeng, F L, Shi, P, Zhang, M F, Deng, R W
Format: Article
Language:English
Subjects:
Absorption
Cucumis sativus - drug effects
Cucumis sativus - growth & development
Cucumis sativus - metabolism
Ions
Lanthanum
Lanthanum - pharmacology
Leaves
Microscopy, Electron, Scanning - methods
Plant biology
Plant Leaves - drug effects
Plant Leaves - metabolism
Scanning electron microscopy
Seedlings
Seeds - drug effects
Trace elements
Trace Elements - analysis
Trace Elements - metabolism
X-Rays
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Shi, P
Zhang, M F
Deng, R W
description Scanning electron microscope and energy-dispersive X-ray analysis were used to study the tissular distributions of elements Na, Mg, Cl, K, Ca, Mn, and Fe in leaves of cucumber seedlings in the absence or presence of La3+. The results showed that the atomic percentages of Na, Mg, Cl, K, and Ca were basically reduced and those of Mn and Fe were increased in the presence of La3+; in addition, at 0.02 mM La3+, the reduced or increased degrees were higher than those at 2.0 mM La3+. The effects of La3+ on ion absorption were similar to those of Ca2+, suggesting that the rare earth element lanthanum affects the plant physiological mechanism by regulating the Ca2+ level in plant cell.
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issn 0163-4984
0163-4984
1559-0720
language eng
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source Springer Nature
subjects Absorption
Cucumis sativus - drug effects
Cucumis sativus - growth & development
Cucumis sativus - metabolism
Ions
Lanthanum
Lanthanum - pharmacology
Leaves
Microscopy, Electron, Scanning - methods
Plant biology
Plant Leaves - drug effects
Plant Leaves - metabolism
Scanning electron microscopy
Seedlings
Seeds - drug effects
Trace elements
Trace Elements - analysis
Trace Elements - metabolism
X-Rays
title Effect of lanthanum on ion absorption in cucumber seedling leaves
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