[1]张海平,房伟民,陈发棣,等.部分睡莲属植物形态性状的多样性分析[J].南京农业大学学报,2009,32(4):47-52.[doi:10.7685/j.issn.1000-2030.2009.04.010]
 ZHANG Hai-ping,FANG Wei-min,CHEN Fa-di,et al.Investigation on the morphological diversity of taxa in genus Nymphaea[J].Journal of Nanjing Agricultural University,2009,32(4):47-52.[doi:10.7685/j.issn.1000-2030.2009.04.010]
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部分睡莲属植物形态性状的多样性分析()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
32卷
期数:
2009年4期
页码:
47-52
栏目:
OA栏目
出版日期:
2009-11-30

文章信息/Info

Title:
Investigation on the morphological diversity of taxa in genus Nymphaea
作者:
张海平房伟民陈发棣丁跃生崔娜欣顾俊杰
南京农业大学园艺学院,江苏南京210095;南京农业大学园艺学院,江苏 南京 210095;南京艺莲苑花卉有限公司,江苏 南京 211800;上海鲜花港有限公司,上海201303
Author(s):
ZHANG Hai-ping FANG Wei-min CHEN Fa-di DING Yue-sheng CUI Na-xin GU Jun-jie
College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China; Nanjing Yileen Water Garden Co.Ltd., Nanjing 211800, China; Shanghai Flower Port Ltd., Shanghai 201303, China
关键词:
睡莲属 形态性状 多样性 主成分分析 聚类分析
Keywords:
Nymphaea morphology diversity principal component analysis cluster analysis
分类号:
S682.32
DOI:
10.7685/j.issn.1000-2030.2009.04.010
文献标志码:
A
摘要:
对睡莲属60份材料33个形态性状进行统计分析,结果表明:睡莲属植物具有丰富的形态多样性,平均多样性指数为1.446,总体上是数值性状形态多样性指数大于非数值性状;平均变异系数36.39%,变异系数和多样性指数的变化趋势相反。通过主成分分析,将33个性状综合为5个主成分,第一主成分的方差贡献率为28.71%,第二主成分的方差贡献率为18.85%;基于形态性状的聚类分析把60份材料聚为2类,第1类16份材料均为热带睡莲,其心皮离生、叶缘有锯齿,第2类44份材料均为耐寒睡莲,其心皮合生、叶缘无锯齿、无胎生现象。
Abstract:
Thirty three morphological characters were investigated in 60 taxa of Nymphaea. The results showed that the morphological diversity was high among taxa. The average diversity index was 1.446.The morphological diversity index of numerical traits was overall higher than that of unnumerical traits. The average variation coefficient was 36.39%. The trend of the change of the diversity index was opposite to that of the variation coefficient. The principal component analysis showed that the 33 characters were integrated into 5 principal components(PC). The first and the second principal components represented 28.71% and 18.85% of variance, respectively. Based on the morphological data, the 60 taxa of Nymphaea were clustered into 2 groups, namely, tropical water lily group and hardy water lily group. The 16 taxa included in the tropical water lily group were characterized by apocarpous carpel and tooth leaf. The remaining 44 taxa included in the hardy water lily group had adnation carpel and tooth-absent leaf, and no viviparity was observed in them.

参考文献/References:

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备注/Memo

备注/Memo:
上海市农业科技成果及高新技术产业化项目(沪农科产字(2004)第3号);上海市农业科技攻关项目(沪农科攻字(2006)第4-2号)
更新日期/Last Update: 2009-11-30