PGRs (mg/l) Details of Media formulation codes for Figures 1 and 2 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 NAA 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 IBA 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3

Table 1: Description of media formulation codes.