Fire blight causes wilting and blackening of shoots. The dead leaves hang on the twigs. There is no chemical control. Prune out infected twigs well below the infected tissue.
Scab causes dark areas on the leaves that turn yellow, then brown, then drop off. No chemical controls are listed. Rake up and destroy infected leaves.
|Visual title - Visual size||Visual title - Visual size|
|Apple scab on pyracantha - 28K||Apple scab on pyracantha - 36K|