Scatterplot of PC 1 (62.3%) and PC 2 (31.8%) based on the genotypes of Bph3, Bph18, and BPH26 of 120 F2 plants derived from the cross of Jeonju686 and JJ621MR. In PCA and K-means clustering applying the phnotypes of Bph3, Bph18, and BPH26, 120 F2 plants were clearly divided into 9 groups.
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