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| 单性花同株植物麻疯树性比的大小依赖性 | |
| 引用本文： | 何亚平,蔡小虎,费世民,陈秀明,王乐辉,蒋俊明,何飞,蒋建强,雷彻虹.单性花同株植物麻疯树性比的大小依赖性[J].四川林业科技,2011,32(1):14-24. |
| 作者姓名： | 何亚平 蔡小虎 费世民 陈秀明 王乐辉 蒋俊明 何飞 蒋建强 雷彻虹 |
| 作者单位： | 1. 四川省林业科学研究院,四川,成都,610081 2. 长江造林局攀枝花分局,四川,攀枝花,617000 3. 攀枝花市林业局,四川,攀枝花,617000 |
| 基金项目： | 四川省麻疯树资源培育科技支撑项目和西南地区麻疯树良种选育及规模化、综合利用关键技术研究与示范 |
| 摘 要： | 性比变异的大小依赖性做了一些研究,还没有涉及到性比变异的植物发育生活史全过程的大小依赖性研究.本文在突出个体发育的生活史全阶段与研究层次,调查研究了单性花同株植物麻疯树性比波动的大小依赖性.在器官水平上,雌花尺寸相对较大,花柄相对较大,性比与雌花重量、数量显著相关.在构件水平上,雌花数量、性比与构件大小存在显著相关性,... |
| 关 键 词： | 麻疯树 单性花同株 大小依赖性 性比 |
The Size-dependent Sex Ratio in Jatropha curcas, a Monoecious Biodisiel Plant |
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| HE Ya-ping,CAI Xiao-hu,FEI Shi-min,CHEN Xiu-ming,WANG Le-hui,JIANG Jun-ming,HE Fei,JIANG Jian-qiang,LEI Che-hong.The Size-dependent Sex Ratio in Jatropha curcas, a Monoecious Biodisiel Plant[J].Journal of Sichuan Forestry Science and Technology,2011,32(1):14-24. | |
| Authors: | HE Ya-ping CAI Xiao-hu FEI Shi-min CHEN Xiu-ming WANG Le-hui JIANG Jun-ming HE Fei JIANG Jian-qiang LEI Che-hong |
| Institution: | 1.Sichuan Academy of Forestry,Chengdu 610081;2.The Panzhihua Branch,Forestation Bureau of the Yangzte River,Panzhihua 617000,China;3.Forestry Bureau of Panzhihua City,Panzhihua 617000,China) |
| Abstract: | Some researches were done on the size dependency of sex ratio variety,but the whole life-history process and module layer of sex ratio with a size dependency were not involved in actual reports.In this paper,studies were made of the size dependency of the sex ratio variety for the whole life history phase in monoecious Jatropha curcas,a biodisiel plant,and a discussion was made on this question to module and organ layers.At the level of organ,the weight and quantity of female flowers were relatively bigger,and anthocaulus dimension was more robust than that of male flowers,and the sex ratio was correlated to weight and quantity of female flowers.At the level of module,the quantity of female flowers and sex ratio were significantly correlated to the module size,which was no difference between plots.The difference in the quantity of female and sex ratio was obvious between the diameter and length of module,and continuously increased with diameter,but decreased beyond the moderate length with a parabolic equation.At the level of individual,the quantity of female flowers and sex ratio had a curve relation with the individual diameter and age,and accorded with the down-parabolic equation.In the phase of young and old trees,the quantity of female flowers and sex ratio were lower,and higher in mature trees,implying the obvious peculiarity of life-history phase.The sex ratio of unit branch had a contrary trend to the size variety of sex ratio,and increased with age and diameter.Results demonstrated that quantity of female flowers and sex ratio in monoecious plant for Jatropha curcas had an obvious size-dependent feature,and an female fitness had obvious peculiarity of life-history phase.In practice,according to the phase feature of organ,module and individuals,some suggestions were provided for managing activity at the cole of promoting the branching capacity of module to keep the higher forming ability of female flowers. |
| Keywords: | Jatropha cascus Monoecy Size dependency Sex ratio |
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