piceae using Real-time quantitative PCR (RT-qPCR); The elongation factor-1 alpha (EF) (GenBank ID: AJ132534.1) and the translation initiation factor 5A (TIF) (GenBank ID: DR448953.1) were used as the internal reference genes, and samples at 0 h of infection were used as the control. The gene discussed is TYRO3; the disease is infection.