スイカにおける果形と種子の大きさの遺伝

DOI 日本農学文献記事索引 Web Site Web Site 被引用文献1件 参考文献19件

書誌事項

タイトル別名
  • Inheritance of Fruit Shape and Seed Size of Watermelon.
  • スイカにおける果形と種子の大きさの遺伝〔英文〕
  • スイカ ニ オケル カケイ ト シュシ ノ オオキサ ノ イデン エイブン

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抄録

For this study two watermelon cultivars [Citrullus lanatus (Thunb.) Matsum, et Nakai], 'Fujihikari' and 'Sweet Princess' were used. 'Fujihikari', characterized by its striped and spherical fruit with medium-size seeds, is one of the most popular F1 cultivars in Japan. While 'Sweet Princess', which has non-striped and oval fruit with small seeds, is an American cultivar bred at the North Carolina Agricultural Experiment Station. Initially, they were hybridized and crossed once with the offspring of a self-pollinated 'Fujihikari'. Then the offspring selected for their distinguishing characteristics were self-pollinated three times. In the resultant filial generation, segregation of the characteristics of fruit shape and seed size was observed. It was determined that two fruit shapes, spherical (Os) and oval (O+), are controlled by a single allele which shows incomplete dominance, while seed size was found to be controlled by a dominant or epistatic short seed gene (Ti), and a recessive or hypostatic medium seed gene (ti).

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 64 (3), 543-548, 1995

    一般社団法人　園芸学会

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