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ブラジルにおけるパインアップル遺伝資源の調査と収集 Field Survey and Collection of Pineapple Genetic Resources in Brazil 池宮, 秀和 イケミヤ, ヒデカズ IKEMIYA, Hidekazu 時任, 俊広 トキトウ, トシヒロ TOKITO, Toshihiro tropical fruits, pineappIe mango papaya passion fruit genetic resources Brazil tropical fruits, pineappIe mango papaya passion fruit genetic resources Brazil Pineapple has been cultivated since 1866 and its breeding started recently in Okinawa, Japan. But genetic variation of pineapple is very limited in Japan. To introduce diverse pineapple genetic resources from abroad, we explored Brazil from November 5 to 23 in 1992 and also visited National Center for Genetic Resources in Brasilia D. F., National Resources Center for Cassava and Fruit Crops in Cruz das Almas B. A., State of Minas Gerals' Agricultural Research Enterprise in Belo Horizonte M. G. and Agronomic Institute in Campinas S. P., We collected 14 samples of pineapple, 10 samples of mango, 2 samples of papaya, 2 samples of passion fruits and 4 samples of other tropical fruits. We collected pineapple samples of high sugar and low acidity content, tolerance to disease and white color flesh. We collected mango samples of dwarfism, early maturing, tolerance to disease and so on. One of two papaya was dwarf type. The other one had very small fruits which was not edible and it showed tolerance to desease. One of two passion fruits samples was wild type, and the other one had big fruits. 農業生物資源研究所 1993-10 jpn departmental bulletin paper VoR https://doi.org/10.24514/00006812 https://repository.naro.go.jp/records/6960 10.24514/00006812 10.24514/00006812 2434-7485 植物遺伝資源探索導入調査報告書 Annual Report on Exploration and Introduction of Plant Genetic Resources 9 111 126 https://repository.naro.go.jp/record/6960/files/AREIPGR09_p111-126.pdf application/pdf 1.1 MB 2022-01-18