普通小麦(Taestivum)ph1b、ph2a、ph2b基因系与黑麦(Secale cereale)的杂交及回交研究

作物学报 ›› 1992, Vol. 18 ›› Issue (06): 447-452.

普通小麦(Taestivum)ph1b、ph2a、ph2b基因系与黑麦(Secale cereale)的杂交及回交研究

叶兴国;樊路;韩敬花

中国农业科学院作物育种栽培研究所北京

收稿日期:1991-03-02 修回日期:1992-01-02 出版日期:1992-11-12 网络出版日期:1992-11-12

Study on Crosses and Backcrosses of Common Wheat(Triticum aestivum)Mutants ph1b、ph2a、ph2b with Rye (Secale cereale)

Ye Xingguo;Fan Lu;Han Jinghua

Institute of Crop Breeding and Cultivation,CAAS

Received:1991-03-02 Revised:1992-01-02 Published:1992-11-12 Published online:1992-11-12

摘要/Abstract

摘要： 利用中国春ph1b、ph2a、ph2b基因系及对照中国春分别与甘肃黑麦杂交,结实率分别为94.0％、87.9％、93.8％和90.8％,其F_1减数分裂中期Ⅰ染色体配对交叉数分别为9.748、2.968、5.000和1.376,ph1b、ph2a、ph2b基因诱导小麦与黑麦F_1部分同源染色体配对顺序是ph1b>ph2b>ph2a。用中国春回交F_1取得了成功,回交结实率分别为1.06％

关键词: ph基因系,黑麦,部分同源染色体配对,染色体交叉数,回交

Abstract: ‘Gan Su’rye was crossed with ‘Chinese Spring’mutants ph1b、ph2a、ph2b andwith ‘Chinese Spring’ as the control. The seed sets were 94.0%、87.9%、93.8% and90.8%, respectively, indicating no significant difference among them. Chiasma fre-quencies of the F_1 hybrids at meiotic metaphase I were 9.7

Key words: ph lines, S. cereale, Homoeologous pairing, Chiasma frequency, Backcross

叶兴国;樊路;韩敬花. 普通小麦(Taestivum)ph1b、ph2a、ph2b基因系与黑麦(Secale cereale)的杂交及回交研究[J]. 作物学报, 1992, 18(06): 447-452.

Ye Xingguo;Fan Lu;Han Jinghua. Study on Crosses and Backcrosses of Common Wheat(Triticum aestivum)Mutants ph1b、ph2a、ph2b with Rye (Secale cereale)[J]. Acta Agron Sin, 1992, 18(06): 447-452.

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