Figure 3
Effect of HCH on phytohormone concentration levels in the different parts of A. glutinosa; (a) branches, (b) trunk, (c) leaves and (d) roots. The blue circles in each volcano plot represent the plant hormones distributed according to the mean rank difference of the concentration between control (C) and HCH-treated groups (horizontal axis) and the negative logarithm of p-value calculated by Mann–Whitney test (vertical axis). The horizontal dashed line delimits the significance level of α = 0.05. The blue boxes inside each volcano plot shows the data distribution of the most significantly different plant hormone concentrations (with the highest absolute value of both mean rank difference and negative logarithm of p-value) in each individual sapling. The asterisks indicate the statistical significance at level of α = 0.05 (p-value 0 ‘****’0.0001 ‘***’0.001, ‘**’0.01).
