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*Eiji Kanda
Tohoku Agric. Res. Cent.
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Toshiyuki Kimura
Aomori Pref. Industrial Technology Res. Cent.
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Shinichi Matsumoto
Akita Pref. Agric. Res. Cent.
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Akira Abe
Iwate Pref. Agric. Res. Cent.
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Shigenori Ookawa
Miyagi Pref. Furukawa Agric. Res. Cent.
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Hiroshi Fujii
Yamagata Univ.
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Shigeto Fujimura
Fukusihma Pref. Agric. Res. Cent.
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Takahiro Hamasaki
Hokkaido Agric. Res. Cent.
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Manabu Nemoto
Hokkaido Agric. Res. Cent.
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Hiroyuki Shimono
Iwate Univ.