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作物学报 ›› 1980, Vol. 6 ›› Issue (03): 129-138.

• 研究论文 •    下一篇

八倍体小偃麦的形成、减数分裂稳定性和染色体组型的分析

管启良   

  1. 西北植物研究所; 杭州大学生物系遗传教研室
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1980-09-12 网络出版日期:1980-09-12

FORMATION,MEIOTIC STABILITY AND KARYOTYPE ANALYSIS OF OCTOPLOID AGROTRITICUM HYBRIDS

Guan Qiliang   

  1. The Northwest Institute of Botany
  • Received:1900-01-01 Revised:1900-01-01 Published:1980-09-12 Published online:1980-09-12

摘要: 根据多年来对(普通小麦×长穗偃麦草)杂种 F1—F4及与小麦回交后的杂种 B1F1选株的细胞学观察和分析,讨论了八倍体小偃麦的形成途径。认为小麦和偃麦草杂交后,需要与小麦回交1—2次,在于使染色体组重新组合,形成 AABBDDEE 和 AABBDDFF 两种染色体组型的八倍体。类型基本稳定的八

Abstract: 1.In this paper,we have generalized a diagram for the formation of octo-ploid Agrotriticum hybrids according ton our observation and analysis of chro-mosome behavior in pollen mother cells(PMC)of hybrids F1—F4 of Triti-cum vulgare×Agropyron elongatum and the hybrid B1

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