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*Hoang Thi Thu Hong
Graduate School of Agriculture, Forestry and Fisheries, Kagoshima University
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Isao Akagi
Graduate School of Agriculture, Forestry and Fisheries, Kagoshima University Faculty of Agriculture, Kagoshima University
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Sakagami Jun-Ichi
Graduate School of Agriculture, Forestry and Fisheries, Kagoshima University Faculty of Agriculture, Kagoshima University