| In this study, 18 medium maturity strains from Jilin province were selected as martials, and Jiyu 86 was control. All the martials were analyzed in a random block. We tested 7 yield traits, and dependability analysis and cluster analysis were applied. The result showed that there was significantly positive correlation among the grain weight per plant,pod number per plant and seed number. The bottom pod height and pod number per plant reached an extremely significant negative correlation, and also reached significant negative correlation with grain number per plant. The plant height and
node number per plant reached extremely significant positive correlation. The cluster analysis and distribution diagram
showed that there were unfit quality difference and traits correlation among the 7 traits. By using the methods of correlation analysis combined with clustering analysis, we could explicite the correlation between the yield character, select superior strains, and increase the selection efficiency. |
