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자료유형
학술저널
저자정보
Ogo, Sumika (Forestry and Forest Products Research Institute) Yamanaka, Takashi (Forestry and Forest Products Research Institute) Akama, Keiko (Forestry and Forest Products Research Institute) Nagakura, Junko (Forestry and Forest Products Research Institute) Yamaji, Keiko (College of Agrobiological Resource Science, Tsukuba University)
저널정보
한국균학회 Mycobiology Mycobiology 제46권 제4호
발행연도
2018.1
수록면
388 - 395 (8page)

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Radionuclides were deposited at forest areas in eastern parts of Japan following the Fukushima Daiichi Nuclear Power Plant incident in March 2011. Ectomycorrhizal (EM) fungi have important effects on radiocaesium dynamics in forest ecosystems. We examined the effect of colonization by the EM fungus Astraeus hygrometricus on the uptake of cesium (Cs) and potassium (K) by Pinus densiflora seedlings. Pine seedlings exhibited enhanced growth after the EM formation due to the colonization by A. hygrometricus. Additionally, the shoot Cs concentration increased after the EM formation when Cs was not added to the medium. This suggests that A. hygrometricus might be able to solubilize Cs fixed to soil particles. Moreover, the shoot K concentration increased significantly after the EM formation when Cs was added. However, there were no significant differences in the root K concentration between EM and non-EM seedlings. These results suggest that different mechanisms control the transfer of Cs and K from the root to the shoot of pine seedlings.

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