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Masakazu Imori
Graduate school of Agriculture, Hokkaido University
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Qiao-Zhi Mao
Graduate school of Agriculture, Hokkaido University
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Makoto Watanabe
Graduate school of Agriculture, Hokkaido University
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YongSuk Kim
Graduate school of Agriculture, Hokkaido University
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Kazuto Kita
Hokkaido Forestry Research Institute
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Takayoshi Koike
Graduate school of Agriculture, Hokkaido University