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ACTA HORTICULTURAE SINICA ›› 2009, Vol. 36 ›› Issue (8): 1127-1133.

• 果树 • Previous Articles     Next Articles

Meiotic Observations on the Pollen Mother Cells of Ziziphus spinosus Hu.and Ziziphus jujuba Mill. ‘Zanhuang Dazao’

XU Xiao-guang, CHEN Long, PENG Jian-ying   

  1. (College of Horticulture, Agricultural University of Hebei, Baoding, Hebei 071001, China)
  • Received:2009-04-12 Revised:2009-07-02 Online:2009-08-25 Published:2009-08-25
  • Contact: PENG Jian-ying

Abstract: Wild jujube and‘ZanhuangDazao’as experimentalmaterials in this experimentwere used to observe the meiosis course of pollen mother cells, and the various periods of the meiosis were described and analyzed. The results showed thatwild jujube accorded with the separatist rule of the meiosis with dip loid. The meiosis of‘Zanhuang Dazao’was irregular. The diakinesis appeared univalent, bivalent and trivalent. The lagging chromosomes were observed in anaphase Ⅰ and Ⅱ. Finally there p roduced triad, tetrad, pentad,
hexad, and formed unequal spores.

Key words: Ziziphus jujuba, Ziziphus spinosus Hu., meiosis, pollen mother cell, chromosome

CLC Number: