Fig. 6

Coexpression network analysis for the three flowering stages of GF and LE. a Hierarchical cluster tree showing coexpression modules identified by WGCNA. Each leaf in the tree represents one gene. The major tree branches constitute 15 modules, labelled with different colours. b Trait association correlation analysis. Each row corresponds to a module and is marked with the colour corresponding to panel a, with the number of genes in each module shown on the left. Each column corresponds to a specific floral volatile compound. The colour of each module at the row–column intersection indicates the correlation coefficient and p-value between the module and the volatiles. The legend (top right) shows a colour scale for module trait correlation, from − 1 to + 1