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Chikako KIRIBUCHI
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Genkichi TAKEDA
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Tetsuo TAKANO
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Author's Organization:Laboratory of Plant Breeding, Faculty of Agriculture, The Univercity of Tokyo:( ?? )Narional Agriculture Research Center Laboratory of Plant Breeding, Faculty of Agriculture, The Univercity of Tokyo Laboratory of Plant Breeding, Faculty of Agriculture, The Univercity of Tokyo:( ?? )Experimental Farm, Faculty of Agriculture, The Univercity of Tokyo