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. 2014 May 22;4(7):1327–1337. doi: 10.1534/g3.114.011940

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Copyright © 2014 Thompson et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution Unported License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Mapping results across 10 chromosomes for the eight shoot apical meristem (SAM) architecture traits. The dashed line represents the significance threshold at logarithm (base 10) of odds (LOD) = 3, and LOD axis ranged from 0 to 14.3 for each trait. Height, volume, and arc length (all highly related traits) share many quantitative trait locus (QTL), whereas width and midpoint width share a different set of QTL. Arc cell count and plastochron timing have some QTL in common with other traits, but many are unique loci.