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. 2020 Apr 24;1(5):100049. doi: 10.1016/j.xplc.2020.100049

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© 2020 The Author(s)

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

Grouping of the 3004 Rice Accessions Based on Polymorphic SNP Markers.

(A) Maximum-likelihood dendrogram illustrating the genetic relationships among accessions. The two clusters were designated CL I (CL Ia, b) and CL II (C IIa–c) with further subclustering shown.

(B) Principal component analysis of the 3004 accessions from the original collection, showing principal component axes 1 and 2. The distribution of accessions in different quadrants (I–IV) is shown. Varietal group color codes are provided. Color codes representing different varietal groups are given on the right.