Fig. 7

Diagram of the network of secondary metabolites. The grid shows the CK, WUL and WLL groups from left to right, respectively; the content of PCs from low to high is indicated by the color scale from red to white, respectively; the content of TIAs from low to high is indicated by the color scale from blue to red, respectively; a solid line represents a one-step reaction, and a dotted line represents a multistep reaction; CK: control group, WUL: damaged upper leaf group, WLL: damaged lower leaf group