Scoring system adopted by ICP forests to identify the part of the trees affected by symptoms and signs of biotic and abiotic origin. (Eichhorn and Roskams, 2013)
Link to this table.
Affected part | Specification of affected part | Code | location in crown | Code |
---|---|---|---|---|
Class 1: Exploratory phase | Apical shoots and upper side buds form long shoots | Flat, longitudinal expansive shoot development | ||
Class 2: Intermediary | Intermediary between class 1 and class 3 | |||
Class 3: Degeneration phase | Only apical bud forms a long shoot. Shoots of side buds are stunted. | Spear-shaped development of main shoots and reduced side shoot formation | ||
Class 4: Intermediary | Intermediary between class 3 and 5 | |||
Class 5: Stagnation phase | Stunted long shoots | Claw-like appearance because of pluriannual short shoot chains | ||
Class 6: Intermediary | Intermediary between class 5 and class 7 | |||
Class 7: Resignation phase | Die-back of twigs of the topmost part of the crown or even the whole crown itself | |||
Class 8: Regeneration phase | Phase with obvious regeneration | From worse phase to a better form on the same branch |