两种株型水稻品种杂交后代农艺性状的回归分析

分离后代农艺性状之间分别表现不同程度的相关性。供试材料中的农艺性状中单株穗重、株高、一次枝梗实粒数、剑叶长对单株产量的影响作用较显著,因此要注意增大这些性状的作用,利用适当的选择压力,这样更容易从这组后代中选择出符合育种目标要求的材料,并以这种思路来指导其它两种穗型品种杂交后代的选择。

Regression Analysis of Agronomic Traits in Progenies from Two Plant types of Rice Varieties

The correlations among agronomic traits in offsprings were observed in this study.Panicle weight,plant height,fully-ripened grains in primary rachis-branches and flag leaf length had significant effects on yield,therefore,the greater selection pressure should be put on these traits and the rice varieties meeting breeding target could be developed easily.