| HPLC | High performance liquid chromatography |
| iP | N6-(Δ2-isopentenyl)-adenine |
| iPA | N6-(Δ2-isopentenyl)-adenosine |
| tZR | Trans-zeatin riboside |
| ABA | Abscisic acid |
| GAs | Gibberellins |
| IAA | Indole-3-acetic acid |
| IBA | Indole-3-butyric acid |
| ROS | Reactive oxygen species |
| ARF | Adventitious root formation |