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. 2019 Apr 30;12:27. doi: 10.1186/s12284-019-0281-2

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 4 — Principal component analysis of 307 core Philippine pigmented rice accessions. The additive relationship matrix was calculated for the 307 core Philippine pigmented rice accessions in rrBLUP using the R package rrBLUP (Endelman, 2011) and used as input to the PCA. The 307 accessions were separated into two main groups, indica (blue) and japonica (yellow)