摘要
利用主成分分析方法对36个普通甜玉米穴su雪品种进行了分析。结果表明:前5个主成分值可以用来表述全部性状的信息。第一主成分为品种的生育期因子,第二主成分为糖分因子,第三主成分为赖氨酸因子,第四主成分为口感因子,第五主成分为鲜果穗产量和外观品质因子。36个甜玉米品种可以分成5类,根据各类的特点可对品种进行集中选择。12个性状可以分成6类,同一类性状可以通过其中的一个进行相关选择。
Utilize the method of principal components analysis to analyse the 36 varieties of ordinary corn （su）. The result showed： The value of the first 5 pieces of principal components can indicate the information of all properties. The first principal component is a factor of breeding time of the variety; The second principal component is a sugar factor; The third principal component is a lysine factor; The fourth principal component is a gustation factor; The fifth principal component is yield of the fresh ear of corn and quality factor of the appearance. The 36 varieties of sweet corn can be divided into 5 kinds, and can be selectd according to characteristic of the varieties. 12 properties can be divided into 6 kinds, The properties of the same type can be selected relevantly through the properties of one of them.
出处
《玉米科学》
CAS
CSCD
北大核心
2005年第3期21-24,共4页
Journal of Maize Sciences
基金
天津市自然科学基金项目(023804411)
关键词
主成分分析
甜玉米
育种
品种分析
Principal Components analysis
Sweet corn
Breeding
Variety
analysis
