Figure 3

The quantitative analysis of phenolic acids in root exudates of P. heterophylla.
1: p-hydroxybenzoic acid, 2: vanillic acid, 3: syringic acid, 4: vanillin, 5: ferulic acid, 6: salicylic acid, 7: cinnamic acid.
The quantitative analysis of phenolic acids in root exudates of P. heterophylla.
1: p-hydroxybenzoic acid, 2: vanillic acid, 3: syringic acid, 4: vanillin, 5: ferulic acid, 6: salicylic acid, 7: cinnamic acid.