利用埃塞俄比亚茄(Solanum aethiopicum)细胞质选育茄子雄性不育系</i>定居点集团

Q3 Agricultural and Biological Sciences
Md Mizanur Rahim KHAN, Takashi ARITA, Masaki IWAYOSHI, Yuki OGURA-TSUJITA, Shiro ISSHIKI
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引用次数: 1

摘要

为了培育雄性不育茄子(Solanum melongena L.),以茄茄(Solanum aethiopicum L. Gilo Group,即S. Gilo Raddi.)为细胞质供体,茄子为细胞核供体,通过连续回交获得茄子细胞质代换系。在埃塞俄比亚茄Gilo群与茄子“Uttara”和“Senryo nigo”的种间杂交F1中,只有父本为“Senryo nigo”的F1能够产生BC1。在BC1之后,“Uttara”被用作循环花粉亲本,生长到BC5。随着回交代的增加,花粉染色能力下降,BC4和BC5的花粉染色能力完全消失。果实坐果率以BC5最高,约为69%。BC4和BC5的单果种子数较高。上述结果表明,埃塞俄比亚葡萄球菌Gilo群细胞质对西瓜种子育性没有显著的负面影响。对BC5的叶绿体DNA和线粒体DNA分析证实,所有回交后代的细胞质均来自S. aethiopicum Gilo群。利用南茄子的细胞质可以开发茄子雄性不育系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of a Male-Sterile Line of Eggplant Utilizing the Cytoplasm of <i>Solanum aethiopicum</i> Gilo Group
In order to develop a male sterile eggplant (Solanum melongena L.), cytoplasm substitution lines of eggplant were produced by continuous backcrossing using Solanum aethiopicum L. Gilo Group (i.e. S. gilo Raddi.) as cytoplasm donor and eggplant as nucleus donor. In the interspecific F1 hybrids between S. aethiopicum Gilo Group and eggplant ‘Uttara’ and ‘Senryo nigo,’ only the F1, whose paternal parent is ‘Senryo nigo’ was able to make BC1. After the BC1, ‘Uttara’ was used as a recurrent pollen parent to grow up to BC5. The pollen staining ability decreased as the backcrossing generation progressed and completely disappeared in the BC4 and BC5. The highest percentage of fruit set was observed in the BC5 with about 69%. The number of seeds per fruit was observed in BC4 and BC5 was relatively high. These indicate that the cytoplasm of S. aethiopicum Gilo Group has no notable negative effect on the seed fertility of S. melongena. Analyses of chloroplast DNA and mitochondrial DNA of the BC5 confirmed that all backcross progenies had the cytoplasm from S. aethiopicum Gilo Group. A new male sterile line of eggplant could be developed by utilizing the cytoplasm of S. aethiopicum Gilo Group.
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来源期刊
Environmental Control in Biology
Environmental Control in Biology Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.00
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25
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