Grading characters |
| Pattern of assessment | Grade allotted |
1) Tolerance | APTI | 9.0 - 12.0 | + |
|
| 12.1 - 15.0 | ++ |
|
| 15.1 - 18.0 | +++ |
|
| 18.1 - 21.0 | ++++ |
|
| 21.1 - 24.0 | ++++ |
2) Biological and socio-economic | Plant habit | Small | - |
|
| Medium | + |
|
| Large | ++ |
| Canopy structure | Sparse/irregular/globular | - |
|
| Spreading crown/open/semi-dense | + |
|
| Spreading dense | ++ |
| Type of plant | Deciduous | - |
|
| Evergreen | + |
3) Laminar structure | Size | Small | - |
|
| Medium | + |
|
| Large | ++ |
| Texture | Smooth | - |
|
| Coriaceous | + |
| Hardiness | Delineate | - |
|
| Hardy | + |
| Economic value | Less than three uses | - |
|
| Three or four uses | + |
|
| Five or more uses | + + |