Table 6.
Abbreviations for RSA traits and their units.
| Acronym | RSA Traits | Units |
|---|---|---|
| TRL | Total root length | Centimetres (cm) |
| TRA | Total root surface area | Square centimetres (cm2) |
| ARD | Average root diameter | Millimetres (mm) |
| TRV | Total root volume | Cubic centimetres (cm3) |
| NRT | Number of root tips | Number (no.) |
| RL | Root length (root diameter ≤ 0.3 mm) | Centimetres (cm) |
| RA | Root surface area (root diameter ≤ 0.3 mm) | Square centimetres (cm2) |
| RV | Root volume (root diameter ≤ 0.3 mm) | Cubic centimetres (cm3) |
| RT | Root tips (root diameter ≤ 0.3 mm) | Number (no.) |