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. 2016 Apr 6;118(4):655–665. doi: 10.1093/aob/mcw046

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© The Author 2016. Published by Oxford University Press on behalf of the Annals of Botany Company.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Varieties ID 31 and ID 16 with the minimum (↓PRL) and maximum (↑PRL) primary root length and varieties ID 15 and ID 17 with the minimum (↓LRD) and maximum (↑LRD) lateral root density, when grown for 14 d in the pouch and wick system (illustrative examples; vertical axis = 32 cm). Field images are triplicate plots of the same varieties at two UK field sites (2012–13): Nottinghamshire (greener, more established plots, upper panels); Lincolnshire (paler, less-established plots, lower panels; markers = 20 cm).