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Symptoms: Flowers and/or fruit turn brown. Fruit may shrivel and drop from the tree. Photo by University of MN Extension Service |
Brown rot, caused by a fungus, is a common disease on fruit of cherry and plum. |
Symptoms: Flowers and/or fruit turn brown. Fruit may shrivel and drop from the tree. Photo by University of MN Extension Service |
| Causal organism: | Monilinia fructicola |
| Over wintering: | In plant material and debris |
| Months of infection: | May - June |
| Method of dispersal: | Wind and rain |
| Infection point: | Fruits, flowers, & stems |
| Control: | Avoid wounding the fruit during the growing season. Remove and destroy all infected plant material, including fallen fruit. |
| Labelled fungicides (First application) |
Chlorothalonil (Daconil 2787) or All-purpose fruit spray (May - June) See the U of MN Extension's "Home Fruit Spray Guide" for more info on spraying |
| Comments: | Brown rot is most severe during warm, wet weather. |
| For additional info | Back to Fruit Diseases |