高产杂交棉数量性状组间的多元统计分析

Multivariate Analysis of the Relationship among the Quantitative Traits of High-yield Hybrid Cotton

以河南省2007-2009年3 a区试参试品种为材料,采用聚类分析从中筛选出13个高产杂交棉组合,采用典型相关分析法分析13个高产杂交棉性状组间的关系。结果表明:产量、产量因素性状组、形态性状组、品质性状组间均达显著相关或极显著相关。育种中,在一定程度上通过协调产量因素性状组、形态性状组实现高产的同时,同步改良品质。

Based on the regional experimental results on hybrid cotton varieties in Henan province from 2007 to 2009,13 groups of high-yield hybrid cotton were filtered by the method of cluster analysis.The correlations of the quantitative traits were analysed using typical correlative analysis among 13 groups of high-yield hybrid cotton.The results showed that the correlations among the yield,yield components,morphological traits and quality characters were correlated significantly.This finding indicated that breeding could cultivate comprehensively high quality varieties by filtering high-yield hybrid groups in some degree.