Effects of Population Size on Synchronous Display of Female and Male Flowers and Reproductive Output in Two Monoecious Sagittaria Species
文献类型：期刊论文
| 作者 | Xia, Jing; Liu, Guihua; Zhou, Wen; Wang, Xiufang; Lu, Jing; Wang, Haibin; Xiao, Chan |
| 刊名 | PLOS ONE
 |
| 出版日期 | 2012 |
| 英文摘要 | Background: Flowering synchrony and floral sex ratio have the potential to influence the mating opportunities and reproductive success through female function. Here, we examine the variances in synchronous display of female and male function, ratio of male to female flowers per day and subsequently reproductive output in small populations of two monoecious plants, Sagittaria trifolia and Sagittaria graminea. Methodology/Principal Finding: We created plant populations of size 2, 4, 10 and 20 and recorded the daily number of blooming male and female flowers per plant to determine daily floral display, flowering synchrony index and ratio of male to female flowers per day. We also harvested the fruits, counted the seeds and calculated the number of fruits and seeds per flower to measure reproductive success through female function. There is less overlap in flowering time of female and male function in smaller populations than in larger populations. Most importantly, we found that male-biased floral sex ratio and imbalanced display period of female and male function for individual plant can lead to a population-size-dependent ratio of male to female flowers per day. Increasing ratio of male to female flowers per day was generally associated with a greater percentage of fruit production. Conclusions/Significance: Our results highlight the importance of flowering synchrony of female and male function and population-size-dependent ratio of male to female flowers per day for female reproductive success. This finding improves our understanding of a mechanism that reduces reproductive success in small populations. |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/721]  |
| 专题 | 中国科学院武汉植物园 |
| 推荐引用方式 GB/T 7714 | Xia, Jing,Liu, Guihua,Zhou, Wen,et al. Effects of Population Size on Synchronous Display of Female and Male Flowers and Reproductive Output in Two Monoecious Sagittaria Species[J]. PLOS ONE,2012. |
| APA | Xia, Jing.,Liu, Guihua.,Zhou, Wen.,Wang, Xiufang.,Lu, Jing.,...&Xiao, Chan.(2012).Effects of Population Size on Synchronous Display of Female and Male Flowers and Reproductive Output in Two Monoecious Sagittaria Species.PLOS ONE. |
| MLA | Xia, Jing,et al."Effects of Population Size on Synchronous Display of Female and Male Flowers and Reproductive Output in Two Monoecious Sagittaria Species".PLOS ONE (2012). |
入库方式： OAI收割
来源：武汉植物园
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