Multiple statistical analysis of the phenotypic characters of Cichorium intybus

doi:10.11686/cyxb20130632

Abstract

Abstract: Based on the variation coefficient, correlation analysis, cluster analysis and principal component analysis of 80 chicory (Cichorium intybus) materials from different origins, the phenotypic characteristics variations were analysed for an explaination of their geographical origins. There was wide variance of phenotypic characters among the different chicory germplasm resources. The third grade fertile tillers had the most significant variance coefficient of 31.11%. There were significant correlations among morphological characteristics. Chicory with a wide leaf was from tall plants with many strong reproductive branches but fewer single flowers. Clustering analysis showed that the materials could be divided into three groups with similar phenotypes: narrow leaved creeping type, mid-wide leaved erect type, and wide leaved erect type. The principal coordinate analysis indicated that the differences between chicory materials were derived from leaf size, plant height, flower number, and reproductive flower diameter.

CLC Number:

Q949.783.5

LIANG Xiao-yu, ZHANG Xin-quan, BAI Shi-qie, JI Yang, HUANG Lin-kai, ZHOU Kai. Multiple statistical analysis of the phenotypic characters of Cichorium intybus[J]. Acta Prataculturae Sinica, 2013, 22(6): 257-267.

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