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 | √ | √ | √ |