Table 4 Phenological scoring of C. ciliata overwintering adults and of P. × acerifolia leaves in spring.
Category | Phenology | Score | Abbreviation |
|---|---|---|---|
Overwintering adults | 0 adults revived | 0 | AR0 |
Cumulative 1–10% adults revived | 1 | AR1 | |
Cumulative 11–50% adults revived | 2 | AR2 | |
Cumulative 51–100% adults revived | 3 | AR3 | |
Plant leaves | All buds fully closed | 0 | LP0 |
Swollen buds just opened | 1 | LP1 | |
Young leaves partly protrude from buds | 2 | LP2 | |
Cumulative 10–50% leaves fully expanded | 3 | LP3 | |
Cumulative 51–90% leaves fully expanded | 4 | LP4 | |
Cumulative 91–100% leaves fully expanded | 5 | LP5 |
