Table 1. Growth state investigation standard

Category Evaluation standard
Leaf discoloration ▪ Degree of discoloration of the crown leaves
Atrophy state ▪ A state of drooping downwards due to weak vitality among all tree leaves.
Deciduous rate ▪ The state of leaves that have changed to yellow or brown due to chlorophyll destruction.
Branching state ▪ Deflection of branches with poor tree conditions
First-born growth ▪ The newly developed growth state of the stem center that grew this year.
Twig state ▪ The dead state of twigs, not of the trunk of a tree.
A normal bud ▪ A normal bud status
Reduction of the crown ▪ A decrease in the the crown due to the deepening death of branches, etc.
Tree vitality ▪ Comprehensive growth state of trees – Dead wood / Growth defect / Good growth