| Disease or Pest Name | Description of Disease or Pest |
|
Phytophthora Root and Crown Rot
Phytophthora cactorum |
This disease, as its name implies, is characterized by red-brown exudate oozing from bark fissures in can... |
|
Powdery Mildew
Microsphaera alni |
Powdery mildew may occur on any green plant tissue or on flowers and fruits. Light colored mats of funga... |
|
Fruittree leafroller
Archips argyrospila |
"Fruittree leafroller can be a serious pest throughout California. It occurs on a very large number of or... |
