| Media | Concentrations |
| MS-RI | MS-Basal + 0 mg/L IAA |
| MS-RII | MS-Basal + 0.5 mg/L IAA |
| MS-RIII | MS-Basal + 1 mg/L IAA |
| MS-RIV | MS-Basal + 2 mg/L IAA |
| MS-RV | MS-Basal + 3 mg/L IAA |
| MS-RVI | MS-Basal + 4 mg/L IAA |