| 桔梗雄性不育突变体的发现与鉴定 |
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| 引用本文： | 刘自刚,张雁,杨亚丽.桔梗雄性不育突变体的发现与鉴定[J].北方园艺,2009(1). |
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| 作者姓名： | 刘自刚 张雁 杨亚丽 |
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| 作者单位： | 商洛学院生物医药工程系,陕西商洛,726000;商洛学院生物医药工程系,陕西商洛,726000;商洛学院生物医药工程系,陕西商洛,726000 |
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| 基金项目： | 陕西省科技计划，陕西省教育厅人文社会科学专项科研计划 |
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| 摘 要： | 从2a生桔梗群体中发现雄性不育种质PA-1个体,随后对桔梗花器进行了大量田间观察,相继发现桔梗雄性不育单株共12株,统一编号为PA-1至PA-12;同时对桔梗不育性状表现及特征特性进行初步研究.结果表明:与其相同来源的正常花相比,不育花雄蕊短小、花药干瘪萎缩,色泽为灰褐色;花粉进行I2-KI染色,败育花粉外形不规则,且不能被染色;不育花雌蕊、蜜腺发育正常,花冠略大,对授粉昆虫具有与正常花等同的吸引力;不育花强迫自交结籽率为0,异花人工授粉和天然授粉结籽率与正常花间无明显差异,初步表明PA单株为雄性不育材料,为桔梗杂种优势的利用开辟了新途径.
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| 关 键 词： | 桔梗 雄性不育 种质个体 鉴定 |
Discovery and Identification for Male-sterile Platycodon |
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| LIU Zi-gang,ZHANG Yan,YANG Ya-li.Discovery and Identification for Male-sterile Platycodon[J].Northern Horticulture,2009(1). |
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| Authors: | LIU Zi-gang ZHANG Yan YANG Ya-li |
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| Institution: | Biological Medicine Engineering Department of Shangluo University;Shangluo;Shanxi 726000;China |
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| Abstract: | There was male sterility Platycodon germplasm PA-1 discovered in the two-year colony.In succession,flowers of platycodon were observed largely in the diverse colony of platycodon.One after the other,12 individuals of male-sterility Platycodon were discovered,and were denominated severally from PA-1 to PA-12.Characteristic and behave of male-sterility plant were further studied.Results showed: to compare with the nature flower,the stamen of male-sterility flower was smallish,anther was atrophic and dust colo... |
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| Keywords: | Platycodon grandiflorum Male-sterility plant Germplasm |
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