Key Features
- Sparse flowering
- Blighted bud
- Buds that look like pin cushions
Symptoms
Flower buds turn brown and fail to open in the spring. They are later covered by black fruiting structures that look like pin cushions.
Biology
This disease occurs in the early spring.
Management Recommendations
There are no fungicides labeled to control this problem. Remove the infected buds by hand to reduce fungal inoculum.
Effective Pesticides
Pesticides are neither available nor recommended for managing this disease.
Resources
- Not satisfied with ID? Contact the Purdue Plant and Pest Diagnostic Lab
- Sign Up for the Purdue Landscape Report
