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作物学报 ›› 1987, Vol. 13 ›› Issue (03): 187-192.

• 研究论文 • 上一篇    下一篇

八倍体小偃麦与普通小麦杂交的细胞遗传学研究

钟冠昌; 张荣琦   

  1. 中国科学院西北植物研究所
  • 收稿日期:1986-06-03 修回日期:1987-04-02 出版日期:1987-08-12 网络出版日期:1987-08-12

CYTOGENETIC STUDY ON THE CROSSES BETWEEN OCTOPLOID TRITIELYTRIGIA TYPES AND TRITICUM AESTIVUM

Zhong Guanchang; Zhang Rongqi   

  1. Northwest Institute of Botany
  • Received:1986-06-03 Revised:1987-04-02 Published:1987-08-12 Published online:1987-08-12

摘要: 本文研究了八倍体小偃麦与普通小麦杂交的细胞遗传学,讨论了杂种中各类配子的传递规律和产生异附加系的方法。主要结果如下:(1)(八倍体小偃麦×普通小麦)F_2,具有46条染色体的杂种类型最多,占19.09%,具有43条染色体的单体附加类型为3.01%。(2)以杂种 F_1作母本和父本,分别与小麦进行回交,B_1F_1具有44条染色体的双单体附加最

Abstract: We have studied the cytogenetics of the crosses between octoploidTritielytrigia types and Triticurn aestioum and discussed the transmittingbehaviour of gametes in hybrid and the way of producing alien additionlien.The main results are as follows:(1) In (octoploid Tritielytrigiatype×T.aestivum)F_2,t

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