Fig. 7

Methyl jasmonate (MeJA) and JA inhibitor salicylhydroxamic acid (SHAM) treatment affect CYVCV accumulation through the JA signaling pathway. a Relative expression level of JA-related genes in MeJA and SHAM treatment virus-free Eureka lemon. Actin was an internal reference gene, determined by one-way ANOVA test at the 0.05 level (n = 9). b The JA content in MeJA and SHAM treatment virus-free Eureka lemon. One-way ANOVA test at 0.05 level (n = 5), data are mean ± SD. c, d The CYVCV titer was detected using real-time quantitative PCR analysis (RT-qPCR) and western blotting (WB) analysis. Actin was an internal reference gene, one-way ANOVA test at 0.05 level (n = 9), data are mean ± SD; an anti-CYVCV CP antibody was used for WB analysis