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Tomohiko Kawamoto
Agricultural Experiment Station, Akita Prefectural Agriculture, Forestry and Fisheries Research Center
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Satoshi Masaki
Agricultural Experiment Station, Akita Prefectural Agriculture, Forestry and Fisheries Research Center
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Toshihiko Hatakeyama
Agricultural Experiment Station, Akita Prefectural Agriculture, Forestry and Fisheries Research Center
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Takemitsu Kato
Present address: Akita Prefecture, Yuri Regional Affairs Department, Agriculture and Forestry Sector, Promotion and Supervision Division
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Shinichi Matsumoto
Agricultural Experiment Station, Akita Prefectural Agriculture, Forestry and Fisheries Research Center