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Hideki Horie
Institute of Fruit Tree and Tea Science, NARO
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Toshikazu Suzuki
Shizuoka Prefectural Research Institute of Agriculture and Forestry, Tea Research Center
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Tetsuyuki Takemoto
Tea Industry Research Division, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center, Agriculture and Forestry Department
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Tsutomu Niwa
Mie Prefecture Agricultural Institute
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Takashi Ikka
Laboratory of Plant Functional Physiology, College of Agriculture, Academic Institute Shizuoka University