Fig. 3

Significantly different changes in L-phenylalanine, C6C1, and C6C3-type PCs: CK: Control group, WUL: damaged upper leaf group, WLL: damaged lower leaf; group;n= 6,意味着“* *”is an extremely significant difference between the treatment group and the control group (p < 0.01), “*” means that there is a significant difference between the treatment group and the control group (p < 0.05)