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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-015-1546-1
|2 doi
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|a pubmed24n0843.xml
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|a (DE-627)NLM253111455
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|a (NLM)26407708
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Qin, Qin
|e verfasserin
|4 aut
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|a Long-distance transport of cadmium from roots to leaves of Solanum melongena
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|c 2015
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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 07.09.2016
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In this study, the characteristics of cadmium (Cd) uptake by roots and translocation from roots to leaves of two eggplant species (Solanum melongena and Solanum torvum) under relatively low Cd concentrations were investigated using stable (108)Cd isotope through a number of hydroponic experiments. The uptake and translocation of (108)Cd was compared with those of (70)Zn and (15)N. The results showed more (108)Cd was loaded to the vascular channels and translocated upward to the leaves in S. melongena than in S. torvum, while the (108)Cd concentrations were significantly lower in the roots of S. melongena than in S. torvum. When the phloem and xylem were wounded by grafting treatments, the foliar (108)Cd concentrations were decreased by more than 66% regardless of the rootstock species, whereas the uptake of (108)Cd in the root was not inhibited by grafting. Similar grafting effects were observed for (70)Zn. Hence, wounding phloem and xylem by grafting disturbed the upward transport of (108)Cd and (70)Zn to the eggplant leaves. Similarly, interruption of the phloem by the girdling treatment reduced the concentrations of (108)Cd in the leaves of S. melongena by approximately 51%, though the uptake of (108)Cd by roots was not reduced by the interruption of phloem. In contrast, neither (70)Zn concentrations nor stable N isotope ratio (δ(15)N) values in the roots and leaves of S. melongena were significantly influenced by the interruption of phloem. In conclusion, the phloem played a dominant role in the long-distance transport of Cd from the root to the leaf of S. melongena, whereas the xylem was the main channel for the translocation of Zn and N
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Eggplant (Solanum melongena)
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|a Girdling
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|a Grafting
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|a Heavy metals
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|a Phloem
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|a Transport
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Cadmium
|2 NLM
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| 650 |
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|a 00BH33GNGH
|2 NLM
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| 700 |
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|a Li, Xuemei
|e verfasserin
|4 aut
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|a Zhuang, Jie
|e verfasserin
|4 aut
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|a Weng, Liping
|e verfasserin
|4 aut
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|a Liu, Wan
|e verfasserin
|4 aut
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| 700 |
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|a Tai, Peidong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 24(2015), 10 vom: 25. Dez., Seite 2224-32
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
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|g volume:24
|g year:2015
|g number:10
|g day:25
|g month:12
|g pages:2224-32
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|u http://dx.doi.org/10.1007/s10646-015-1546-1
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