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Emi Yoneda
Oita Prefectural Agriculture, Forestry and Fisheries Research Center, Agricultural Research Division, Floriculture Group,
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Yasushi Kodama
Oita Prefectural Government Horticultural Promotion Office
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Toshiki Ishimatsu
Oita Prefectural Agriculture, Forestry and Fisheries Research Center, Agricultural Research Division, Floriculture Group,
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Yasuhiro Tomitaka
NARO Kyushu Okinawa Agricultural Research Center