宁夏地区几种水稻的产量性状与品质性状相关分析

Correlation Analysis of New Rice Variety Yield and Quality Characters in Ningxia

[目的]为水稻新品种的选育和大面积推广提供依据。[方法]对宁夏区试中10个水稻品种的产量性状与品质性状进行典型相关分析和主成分分析。[结果]主成分分析表明,前4个主成分方差累计贡献率达87.35%;根据各品种主成分综合得分,对所参试品种综合评价,表现较好的是2003Y-266、花82和花95。[结论]应选择米粒光泽度较好的水稻后代材料,兼顾高产和优质的特性。

[ Objective ] The research aimed to provide references for the breeding and large area spreading application of new rice variety. [ Method] The canonical correlation analysis and principal component analysis of ten rice varieties in regional test of Ningxia were carried out. [ Result] Principal component analysis showed that the accumulated variance devoted rate of the former four factors was 87.35%. Based on the principal component comprehensive scores of each variety, 2003 Y-266, Hua 82, Hua 95 performed well [ Conclusion ] The rice progeny material with good glossiness should be selected to keep high yield and quality.