sentence: The combined TG1 + Fg treatment induced the transcription level of plant defense-related genes resulting in an increase in tyrosin-protein kinase ( PR2 ) , chitinase class I ( CHIA1 ) , and pathogenesis-related protein ( PR1-2 ) by an average of 1.15 , 1.35 , and 1.37-fold , respectively compared to Fg treatment .