| 12份苜蓿农艺性状的主成分及聚类分析 |
| |
| 引用本文： | 武自念,魏臻武,雷艳芳,甘欣,刘高军,杨云. 12份苜蓿农艺性状的主成分及聚类分析[J]. 草原与草坪, 2011, 31(1): 50-53 |
| |
| 作者姓名： | 武自念 魏臻武 雷艳芳 甘欣 刘高军 杨云 |
| |
| 作者单位： | 武自念,甘欣,刘高军,杨云,WU Zi-nian,GAN Xin,LIU Gao-Jun,YANG Yun(甘肃农业大学,草业学院/草业生态系统教育部重点实验室/中-美草地畜牧业可持续发展研究中心,甘肃,兰州,730070);魏臻武,WEI Zhen-wu(甘肃农业大学,草业学院/草业生态系统教育部重点实验室/中-美草地畜牧业可持续发展研究中心,甘肃,兰州,730070;扬州大学,动物科学与技术学院,江苏,扬州,225009);雷艳芳,LEI Yan-fang(扬州大学,动物科学与技术学院,江苏,扬州,225009) |
| |
| 基金项目： | 国家863计划项目，国家自然科学基金，国家科技支撑计划 |
| |
| 摘 要： | 对12份苜蓿种质资源进行全年株高、茎叶比、分枝数、主枝侧枝数、主枝节间数、鲜草产量等6个农艺性状的主成分分析,选出累计贡献率84.141%的前3个主成分;在此基础上对12份苜蓿材料进行系统聚类分析,在欧式水平上可将其聚为3大类,第1大类在江淮地区表现为产量高,全年高度、分枝数、主枝侧枝数均高于其他材料,比较适宜南方的气...
|
| 关 键 词： | 苜蓿 农艺性状 主成分 聚类分析 |
Main component and cluster analysis of agronomic characteristics of twelve alfalfa varieties |
| |
| WU Zi-nian,WEI Zhen-wu,LEI Yan-fang,GAN Xin,LIU Gao-Jun,YANG Yun. Main component and cluster analysis of agronomic characteristics of twelve alfalfa varieties[J]. Grassland and Turf, 2011, 31(1): 50-53 |
| |
| Authors: | WU Zi-nian WEI Zhen-wu LEI Yan-fang GAN Xin LIU Gao-Jun YANG Yun |
| |
| Affiliation: | WU Zi-nian1,WEI Zhen-wu1,2,LEI Yan-fang2,GAN Xin1,LIU Gao-Jun1,YANG Yun1(1.College of Grassland Science,Gansu Agricultural University,Lanzhou,Gansu Province 730070,China,2.College of Animal Science & Technique,Yang Zhou University,Yang Zhou,Jiangsu Province 225009,China) |
| |
| Abstract: | Agronomic characteristics,total plant height,leaf stem ratio,branch number,main branch,main branch internode number,fresh yield etc,of total twelve alfalfa Varieties were analyzed based on main component,and three principle elements were obtained,which contributed over 84.141%.The materials were clustered into three groups based on the principle elements.One group showed high yield with higher plant height,branch number and main branch than other materials,and suitable to South climatic conditions,and can b... |
| |
| Keywords: | alfalfa agronomic characteristics main component cluster analysis |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
