Phoma stem canker severity in controlled environment experiment.

<p>Cultivar difference in the severity of phoma stem canker scored on a 0–6 scale (A) and the internal length of phoma stem canker symptoms (B) that had developed at 20°C by 49 days after inoculation of leaf petioles of different cultivars/lines with conidial suspensions of <i>Leptosphaeria maculans</i> isolates. For details of isolates, see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0197752#pone.0197752.t002" target="_blank">Table 2</a>. Error bars are standard errors of the difference. Multiple comparisons were done using the least significance difference at significance level <i>P</i>≤0.05. The values for phoma stem canker severity or the internal length of phoma stem canker symptoms that had different letters differed significantly at <i>P</i>≤0.05.