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. 2019 Jun 6;15:63. doi: 10.1186/s13007-019-0448-2

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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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 5 — a Differences in the mean HSI spectra (SNV) between leaves (blue) and pseudostems (red). b Grouped scatter plot of the first two canonical variables obtained from a one-way multivariate analysis of variance of the PS + BL mean HSI spectra (n = 200). The first canonical variable provides a clear separation between ryegrass genotypes with blades (black crosses) and pseudostem (red circles)