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作物学报 ›› 1993, Vol. 19 ›› Issue (04): 352-358.

• 研究论文 • 上一篇    下一篇

谷子(Setaria italica)Ch4n×法氏狗尾草(S.faberii)杂种幼胚培养及杂种F_1的鉴定

罗新谈;郭扶兴;周俊彦;马惠;吴权明;朱光琴;马云彤   

  1. 中国科学院西北植物研究所 陕西杨陵 陕西省农业科学院粮食作物研究所
  • 收稿日期:1991-05-17 修回日期:1992-03-05 出版日期:1993-07-21 网络出版日期:1993-07-21
  • 通讯作者: 罗新谈

Immature Embryo Culture of a Cross between Setaria italica(Ch4n) and S.faberii and Studies on the Morphological and Cytological Characteristics of the F1 Plant

Luo Xin-tan;Guo fu-xing;Zhou Jun-yan;Ma Hui;Wu Qun-ming;Zhu Guang-qin;Ma Yun-tong   

  1. Northwest Institute of Botany,Academia Sinica, Yangling Shanxi,712100
  • Received:1991-05-17 Revised:1992-03-05 Published:1993-07-21 Published online:1993-07-21
  • Contact: Luo Xin-tan

摘要: 1989年,进行了谷子(Setaria italica)Ch4n×法氏狗尾草位(S.fabeiii)的远缘杂交和杂种胚培养。共接种已授粉子房264个,得到22株苗,仅11株成活。试管苗经继代培养和繁殖,得到了大量的小植株,移栽成活并发育到成熟。经形态学和细胞学鉴定,其中有两个株系是杂种,杂种F_1的染色体数为2n=4x=36,花粉母细胞在减数分裂中期Ⅰ染色体配

关键词: 谷子Ch4n, 法氏狗尾草, 杂种胚培养, 杂种

Abstract: Immature embryo culture of a wide cross, Setaria italica (Ch 4n)/S. faberii, was carried outin 1989. 22 seedlings were obtained from 264 pollinated ovaries cultured on modified MS me-dium with or without growth regulators, but only 11 survived after the second subculture.They were propagated into nu

Key words: Setaria italica, S.faberii, Immature embryo culture, Hybrid

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