Fig. 4.

Classification and regulation of the metabolites in both extracellular and intracellular level of axenic and co-culture of and T. asperellum and B. amyloliquefaciens based on LC–MS. a Extracellular metabolic classification, b Intracellular metabolic classification, c extracellular metabolic regulation between the axenic and co-culture (d) intracellular metabolic regulation between the axenic and co-culture. (TCS) Culture supernatant of T. asperellum axenic culture (BCS) Culture supernatant of B. amyloliquefaciens axenic culture (TB1CS) Culture supernatant of simultaneous inoculation based co-culture (TB2CS) Culture supernatant of sequential inoculation based co-culture (TC) Culture pellet of T. asperellum axenic culture (BC) Culture pellet of B. amyloliquefaciens axenic culture (TB1C) Culture pellet of simultaneous inoculation based co-culture (TB2C) Culture pellet of sequential inoculation based co-culture