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*Mayuko Okabe
Facullty of Agriculture, Shinshu University
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Kou Hatakenaka
Facullty of Agriculture, Shinshu University
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Mikio Sekinuma
Facullty of Agriculture, Shinshu University
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Tadashi Baba
Facullty of Agriculture, Tokyo University of Agriculture
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Shigemitsu Kasuga
Facullty of Agriculture, Shinshu University