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Zenta Nishio
National Agricultural Research Center for the Hokkaido Region (Memuro)
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Miwako Ito
National Agricultural Research Center for the Hokkaido Region (Memuro)
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Masahiko Tanio
National Agricultural Research Center for the Hokkaido Region (Memuro)
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Tadashi Tabiki
National Agricultural Research Center for the Hokkaido Region (Memuro)
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Hiroaki Yamauchi
National Agricultural Research Center for the Hokkaido Region (Memuro)