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Li Rongqian, Zeng Zishen, Huang Aijun. KARYOTYPE STUDIES AND OBSERVATION ON PLOID VARIATION IN FOUR CUCUMBER CULTIVARS(CUCUMIS SATIVUS L.)[J]. Plant Science Journal, 1985, 3(4): 443-449.
Citation: Li Rongqian, Zeng Zishen, Huang Aijun. KARYOTYPE STUDIES AND OBSERVATION ON PLOID VARIATION IN FOUR CUCUMBER CULTIVARS(CUCUMIS SATIVUS L.)[J]. Plant Science Journal, 1985, 3(4): 443-449.
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KARYOTYPE STUDIES AND OBSERVATION ON PLOID VARIATION IN FOUR CUCUMBER CULTIVARS(CUCUMIS SATIVUS L.)

  • Department of Biology, Wuhan University

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
  • Published Date: December 21, 1985
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  • The karyotype of somatic chromosomes is 2n=14=14m(2SAT). All chromosomes are metacentric in all the four cultivars studied, with only one pair of satellite chromosomes in each cultivar. Two cultivars have one secondary constriction. Three ploid levels of somatic cells, 3n, 4n, and 6n are found. The higher is the ploid level, the lower is the frequency of polyploid cells. The number of polyploid cells varies with cultivars. The causes of morphological and ploid variation in cucumber chromosomes are discussed.
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