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  • 标题:Studies of Meiotic Behaviors in Some Taxa of the Nepalese Papilionaceae
  • 本地全文:下载
  • 作者:Laxmi Manandhar ; Shyam Ratna Sakya
  • 期刊名称:Journal of Natural History Museum
  • 出版年度:2015
  • 卷号:26
  • 页码:68-79
  • 语种:English
  • 出版社:Natural History Museum
  • 摘要:This paper reports studies of meiotic behaviors of seventeen species, sub-species and varieties in seven genera of the Nepalese Papilionaceae and new chromosome numbers for three species ( Crotalaria cytisoides Roxb. ex DC (n=8), Parochetus communis Buch-Ham. ex D. Don (n=8) and Piptanthus nepalensis (Hook.) D. Don. (n=9, 18) are new number reports. Meiotic behaviors are often normal in all the species). However, a few aberrations like univalents, chromosome bridges, laggards, precocious chromosomes and/ or cytomixis have been observed in most of the taxa. Pollen fertility is high (more than 80%) indicating that the abnormalities had not reached mature stages. J. Nat. Hist. Mus. Vol. 26, 2012: 68-79
  • 关键词:haploid chromosome count, metaphase I, meiosis
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