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Title of Journal: Plant Soil

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Abbravation: Plant and Soil

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Springer International Publishing

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DOI

10.1007/s11433-011-4538-z

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1573-5036

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Elemental distribution by cryomicroPIXE in the z

Authors: Pengjie Hu Yaodong Wang Wojciech Józef Przybyłowicz Zhu Li Alban Barnabas Longhua Wu Yongming Luo Jolanta MesjaszPrzybyłowicz
Publish Date: 2014/11/16
Volume: 388, Issue: 1-2, Pages: 267-282
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Abstract

The shoots of S plumbizincicola hyperaccumulated up to 1470 mg kg−1 of Cd and 14600 mg kg−1 of Zn dry weight in fieldgrown plants MicroPIXE analyse shows that in roots Zn was concentrated in the cortex In stems Zn was preferentially accumulated in the epidermis 5090 mg kg−1 wet weight and in vascular bundles and neighbouring parenchyma cells Interestingly some vascular bundles of the stem were depleted in Zn Taking tissue area into account 221 462 and 318  of total Zn and 171 716 and 113  of total Cd in the stem were present in the epidermis cortex and central cylinder respectively In the leaves 813  of total Cd and 552  of total Zn were distributed in the mesophyllThis research was supported by the National Natural Science Foundation of China Projects 41325003 and 41201300 the National Hightechnology RD Program 863 Program of China Project 2012AA06A204 and the South African National Research Foundation We thank Dr Dirk Frei and Ms Riana Rossouw of Stellenbosch University for their assistance in LAICPMS measurements

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