Grey correlation analysis of F3 generation’s main agronomic traits and yield in adzuki bean (Vigna angularis)

In order to explore the relationship between main agronomic traits and yield of adzuki bean, 14 major agronomic traits of F 3 generation were analyzed with the grey correlation analysis and principal coordinate analysis methods. The results showed that seed number per plant, pod number per plant, effective branch position, and plant height have a large coefficient of variation and a high potential of selection. These have a great correlation degree with yield. and should be a primary objective of selection, and for breeding a new bean varieties.

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