主成分分析法在油茶无性系综合评价中的应用  

Application of Principle Component Analysis on Comprehensive Evaluation of Camellia oleifera Clone

作　　者：杜洋文[1] 邓先珍[1] 徐春永[1] 罗治建[1] 曾博[1] 聂明 成学武 

机构地区：[1]湖北省林业科学研究院,湖北武汉430079 [2]重庆市巴南区林业局,重庆巴南401320 [3]麻城国营长岭岗苗圃,湖北麻城438300

出　　处：《江西农业大学学报》2012年第6期1193-1198,共6页Acta Agriculturae Universitatis Jiangxiensis

基　　金：国家农业科技成果转化资金项目(2010GB2D100306);中央财政林业科技推广项目([2009]TK014)

摘　　要：采用主成分分析方法,分析了10个鄂油无性系的树高、果皮厚度、果实纵横径、果形指数、单果种籽数、冠幅、株产果、单位面积冠幅产果、鲜果出籽率、鲜果干出籽率、鲜果出干仁率、干仁含油率、株产油、油酸、亚油酸、棕榈酸、硬脂酸、其他、相对电导率、MDA、CAT等22个性状指标。结果表明:6个主成分的方差累积贡献率达到91.308 0%,基本能够反映所有信息。构建了综合评价模型F=a1Z1+a2Z2+a3Z3+a4Z4+a5Z5+a6Z6,综合评价结果以鄂油102、鄂油151、鄂油39、鄂油54这4个无性系综合性状最优。Using the method of principle component analysis,22 characteristics of Camellia oleifera such as height,pericarp thickness,fruit vertical diameter,fruit horizontal diameter,fruit shape index,seeds of single fruit,crown width,fruit weight of single plant,wet weight of per crown width,the ratio of seed to fresh fruit,the ratio of fresh seed to fresh fruit,oil rate of dry kernel,oil of single plant,oleic acid,linoleic acid,palmitic acid,stearic acid,other acids,EC,MDA,CAT from 10 clones were studied.The results showed that the cumulative proportion of 6 principal components reached 91.308 0%;these principal components could reflect most information on clone characteristics of Camellia oleifera.The comprehensive evaluation model F=a1Z1＋a2Z2＋a3Z3＋a4Z4＋a5Z5＋a6Z6 was structured,the result of comprehensive evaluation was that the comprehensive characteristics of 4 clones for eyou102,eyou151,eyou39 and eyou54 were the best.

关 键 词：主成分 油茶 无性系 综合评价 

分 类 号：S794.4[农业科学—林木遗传育种]