江西农业大学学报2012，Vol.34Issue(1)：44-49,6.
野生红三叶种群表型性状变异研究
A Study on the Variation in Phenotypic Characters of Wild Red Clover
摘要
Abstract
Based on the variation coefficient, principal component and cluster analysis, 25 populations of wild red clover ( Trifolium pratense L. ) from different regions in Hubei Province were evaluated by their phe-notypic diversities. The results showed that the variance of phenotypic characters occurred widely within wild red clover population. The properties of shoot numbers and inflorescence numbers per plant had a relatively high level of variance and the coefficients of variation were 33. 33% and 32. 25% , respectively. Meanwhile, the phenotypic characters of red clover were significantly different among populations ( P < 0. 01 ) . The traits such as plant height, leaf length, leaf width, 1 000-seed weight, petiole length and inflorescence numbers per plant were the major factors leading to variation of phenotypic characters. The 25 populations were classified into 3 groups based on Euclidean distance by cluster analysis. The first cluster was composed of one population with the lowest plant height but the highest potential yield of seed within the 3 clusters. The second group contained 6 populations with lower plant height and fewer shoot numbers. And the third group consisted of 18 populations with the highest plant height, bigger leaf and higher potential grass yield.关键词
红三叶/表型性状/变异Key words
red clover/ phenotypic character/ variation分类
农业科技引用本文复制引用
张鹤山,陈明新,田宏,蔡化,刘洋,熊军波..野生红三叶种群表型性状变异研究[J].江西农业大学学报,2012,34(1):44-49,6.基金项目
国家科技支撑计划项目(2011BAD17B02)、湖北省动物胚胎工程及分子育种重点实验室开放项目(2010ZD200～299)和现代农业产业技术体系建设专项基金项目 （2011BAD17B02）
