Interspecific hybridization between Cicer arietinum and C-pinnatifidum

被引:36
作者
Badami, PS
Mallikarjuna, N
Moss, JP
机构
[1] Cell. and Molecular Biology Division, Intl. Crops Res. Inst. Semi-Arid T., Asia Centre, Andhra Pradesh
关键词
Cicer arietinum; C-pinnatifidum; chloroplast; embryo rescue; grafting; interspecific hybridization; ovule culture;
D O I
10.1111/j.1439-0523.1997.tb01019.x
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
An interspecific hybrid between Cicer arietinum cv. GL 769 and a wild species C. pinnatifidum was obtained after emasculation, pollination and application of growth regulators. Ovules were cultured and embryos were later dissected to obtain hybrid plants. These plants were albinos and morphologically resembled C. pinnatifidum. Shrivelled seeds were also obtained in 2% of the crosses, which on germination gave rise to albino plants. These plants did not survive beyond 20 days. The hybrid nature of these plants was confirmed by esterase isozyme studies. Hybrid shoots obtained from germinating embryos were cultured on modified ML-6 medium with BAP 2 mg/l, IAA 0.5 mg/l, where they turned green after 3-4 weeks. Transmission electron microscopy (TEM) studies on leaf sections from green hybrid shoots showed an improvement in the chloroplast structure, with better organized grana.
引用
收藏
页码:393 / 395
页数:3
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