Correction: The number of measurements needed to obtain high reliability for traits related to enzymatic activities and photosynthetic compounds in soybean plants infected with Phakopsora pachyrhizi.

[This corrects the article DOI: 10.1371/journal.pone.0192189.]

Analysis of variance for the 14 traits evaluated in the soybean plants inoculated or non-inoculated with <i>Phakopsora pachyrhizi</i> during four consecutive measurements (48, 96, 144, 192 hours after inoculation).

<p>Analysis of variance for the 14 traits evaluated in the soybean plants inoculated or non-inoculated with <i>Phakopsora pachyrhizi</i> during four consecutive measurements (48, 96, 144, 192 hours after inoculation).</p

Mean, heritability (h²) and coefficient of variation (CV, %) for the 14 traits evaluated in soybean plants inoculated or non-inoculated with <i>Phakopsora pachyrhizi</i> during four consecutive measurements (48, 96, 144, 192 hours after inoculation).

<p>Mean, heritability (h²) and coefficient of variation (CV, %) for the 14 traits evaluated in soybean plants inoculated or non-inoculated with <i>Phakopsora pachyrhizi</i> during four consecutive measurements (48, 96, 144, 192 hours after inoculation).</p

Graphic analysis of the minimum number of measurements required to reach a determined degree of certainty for enzymatic activities and photosynthetic performance according to different methods: ANOVA–analysis of variance; PCA-COV—principal component analysis associated with covariance matrix; PCA-COR—principal component analysis associated with correlation matrix; structural analysis; MM–mixed model.

<p>GLU– β-1,3-glucanase; CHI—Chitinase; Ci—internal CO₂ concentration; E—transpiration rate; GS—stomatal conductance to water vapor; and A—CO₂ assimilation rate.</p

Graphic analysis of the minimum number of measurements required to reach a determined degree of certainty for phenolic compounds and chlorophyll according to different methods: ANOVA–analysis of variance; PCA-COV—principal component analysis associated with covariance matrix; PCA-COR—principal component analysis associated with correlation matrix; structural analysis; MM–mixed model.

<p>DZI—Daidzein; GI—Gensitin; MD–Malonyl Daidzin; R—Quercetin-3-O-Rutinoside; MG–Malonyl Genistin; GEI–Genistein; C–Coumestrol; and CLO–Chlorophyll.</p