Fig. 7. Effect of (E)-nerolidol on the levels of signaling molecules related to defense in tea plants.
a H2O2 contents in control (Con) and (E)-nerolidol-treated plants. The inset shows the DAB staining of H2O2 levels in tea leaves exposed to (E)-nerolidol and the controls (Con). b–e Contents of JA (b), JA-Ile (c), ABA (d), and SA (e) in control (Con) and (E)-nerolidol-treated plants. Values are presented as the means + SEs for five biological replicates. Asterisks indicate the significant differences between (E)-nerolidol-treated plants and controls (t test, *P < 0.05; **P < 0.01).