[1]彭冶,方炎明.鹅掌楸生殖生态研究:果实与种子变异格局[J].南京林业大学学报(自然科学版),2004,28(03):075-78.[doi:10.3969/j.jssn.1000-2006.2004.03.019]
 PENG Ye,FANG Yan-ming~*.Reproductive Studies of Liriodendron chinense:Variation Patterns of Fruit and Seeds[J].Journal of Nanjing Forestry University(Natural Science Edition),2004,28(03):075-78.[doi:10.3969/j.jssn.1000-2006.2004.03.019]
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鹅掌楸生殖生态研究:果实与种子变异格局
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
28
期数:
2004年03期
页码:
075-78
栏目:
研究论文
出版日期:
1900-01-01

文章信息/Info

Title:
Reproductive Studies of Liriodendron chinense:Variation Patterns of Fruit and Seeds
文章编号:
1000-2006(2004)03-0075-04
作者:
彭冶;方炎明
南京林业大学森林资源与环境学院;江苏 南京 210037;南京林业大学森林资源与环境学院;江苏 南京 210037
Author(s):
PENG YeFANG Yan-ming~*
College of Forest Resources and Environment Nanjing Forestry University,Nanjing 210037,China
关键词:
鹅掌楸生殖生态种子生殖包装
Keywords:
Liriodendron chinenseReproductive ecologySeedsReproductive package
分类号:
S718
DOI:
10.3969/j.jssn.1000-2006.2004.03.019
文献标志码:
A
摘要:
<正>选择浙江龙王山自然保护区和贵州松桃两个居群的中国鹅掌楸,研究其果实与种子的变异格局。结果表明,两个鹅掌楸居群的生殖包装格局有显著差别。分析翅果重、聚合果重、翅果长、聚合果长4个密切相关的指标,得出龙王山居群的频率分布属正态分布,而松桃居群的频率分布则偏离正态分布,并且是右偏的。这种差别意味着前者具更多中等大小的果实和种子,而后者以较大的果实和种子居多。就1个聚合果而言,饱满种子多位于果实中部,但资源却主要分布在果实中下部。
Abstract:
Significant difference of reproductive package patterns exists between two populations of Liriodendron chinense.Depended on four closely related indexes,e.g.samara weight,aggregate fruit weight,samara length,and aggregate fruit length,the frequency distribution patterns are normal in the populations at Mt.Longwang,but left skewed in the populations at Songtao,Guizhou province.This demonstrates that the former has more medial-sized seeds,whereas the latter contains more large seeds.Within one aggregate fruit,full samaras mainly locate in the middle portion.The resource,however,trends to be mainly allocated in the lower part of the fruit.

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更新日期/Last Update: 1900-01-01