Abstract
133CsCl solution was applied to the foliage of Japanese cedar (Cryptomeria japonica) and Konara oak (Quercus serrata) under field conditions to investigate whether radiocesium could be translocated from the foliage to other parts through senescence of foliage, and whether this differs between tree species. 133Cs was translocated to nearby foliage in both species, whereas translocation to the base of the branches was observed in Konara oak, but not in Japanese cedar. These results suggest that the translocation of radiocesium towards woody branches might be more prominent in Konara oak than in Japanese cedar through senescence of foliage.
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Acknowledgements
This research was financially supported by the Japan Atomic Energy Agency under Grant [Number 24110007]; Grant-in-Aid for Scientific Research under Grant [Number 24380078], and the Shanghai Pujiang Talent Program under Grant [Number 18PJ1411200]. We are grateful to Fukushima Prefectural Forest Research Centre and Utsunomiya University for their advice and support. Also, we would like to thank our many collaborators for their assistance in field work in Fukushima.
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Wang, W., Hanai, Y., Takenaka, C. et al. Translocation of cesium in the branches of Japanese cedar (Cryptomeria japonica) and Konara oak (Quercus serrata). J Radioanal Nucl Chem 323, 959–964 (2020). https://doi.org/10.1007/s10967-019-06996-7
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DOI: https://doi.org/10.1007/s10967-019-06996-7