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Masayoshi NAKAYAMA
National Research Institute of Vegetables, Ornamental Plants and Tea
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Masaji KOSHIOKA
National Research Institute of Vegetables, Ornamental Plants and Tea
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Tamotsu HISAMATSU
National Research Institute of Vegetables, Ornamental Plants and Tea
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Hiroyuki MATSUI
Chiba Univ.
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Hitoshi OHARA
Chiba Univ.
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Mark S. ROH
UDSA
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Lewis N. MANDER
Australian National Univ.
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Richard P. PHARIS
Univ.of Calgary
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Takao YOKOTA
Teikyo Univ.