| Disease symptoms | A | P | A + P |
| Reddish pinpoint initial leaf spots | √ |
| √ |
| Light brown pinpoint initial leaf spots |
| √ | √ |
| Light or reddish-brown leaf spots with or without red margins | √ |
|
|
| Light to dark brown leaf spots |
| √ |
|
| Eventual drop-off of the center of the leaf lesion |
| √ |
|
| Reddish-brown and dark brown spots, both with red margins. |
|
| √ |
| Leaf apex or margin necrosis | √ | √ | √ |
| Branch cankers | √ | √ | √ |
| Defoliation | √ | √ | √ |