芙蓉葵的开花特征及繁育系统
The Floral Traits and Breeding System of Hibiscus moscheuto
DOI: 10.12677/BR.2019.86059, PDF,   
作者: 王连军：上海辰山植物园园艺部，上海；宋昌梅：上海辰山植物园，中科院上海辰山植物科学研究中心，上海
关键词: 芙蓉葵；杂交指数；繁育系统；兼性异交；Hibiscus moscheuto； Out Crossing Index； Breeding System； Facultative Hybridization
摘要: 本文以芙蓉葵为研究材料，对芙蓉葵的繁育系统以及开花特性进行了初步研究。结果表明：1) 芙蓉葵的单花花期1天，整体花期6~10月；2) 芙蓉葵的杂交指数为4，繁育系统属于兼性异交类型；3) 芙蓉葵的自然座果率为75%；同株同花授粉的座果率为55%；人工异株异花授粉座果率为60%；4) 各种授粉方式下，单个果实的种子个数在73~85之间，差别不大；5) 各种授粉方式下，平均种子萌发率在53%~65%之间，没有显著差异。
Abstract: In this paper, the breeding system and flowering characteristics of Hibiscus moscheuto were studied primarily. The results suggested that: 1) The flowering phase of the single flower was about one day; the flowering phase of Hibiscus moscheuto is from June to October. 2) The Out crossing index of Hibiscus moscheuto was four. It suggested that the breeding system belongs to the facultative hybridization. 3) The fruiting rate of natural pollination was 75%; the fruiting rate of hand pollination with the same flower in one plant was 55%; the fruiting rate of hand pollination with the another flower in other plant was 60%; 4) The average number of seeds in a single fruit was between 73 - 85 under different treatments. There was no significant difference; 5) The average of seed germination was between 55% - 65% under different treatments. There was no significant difference.
文章引用：王连军, 宋昌梅. 芙蓉葵的开花特征及繁育系统[J]. 植物学研究, 2019, 8(6): 471-477. https://doi.org/10.12677/BR.2019.86059

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