Blackberry Diagnostic Tool
This website is a collaborative effort of researchers and extension specialists that have responsibilities for blackberry production in the eastern United States. Thanks to Phil Brannen, Guido Schnabel, John Clark, Hannah Burrack, and others for providing images.
Symptoms
Click on the most appropriate description.
Canes and/or laterals
- General decline in plant vigor
- Canes exhibit abnormal or stunted growth
- Canes, fruiting laterals, or tips are wilting and collapsing
- Canes with spots/discolored areas
Leaves
- Leaves are unusually colored, spotted, or necrotic
- Leaves are curled, rolled, or crinkled
- Leaves are chewed or have holes in them
Flowers and fruit
- Flowers are damaged
- Something is chewing on the fruit
- Fruit are discolored or have spots
- Fruit are rotting prior to harvest
Roots and crown
Related Sites
- The Berry Diagnostic Tool (for strawberry, raspberry, blueberry, and gooseberry/currant diagnostic tools)
- The Southern Region Small Fruit Consortium (for links to chemical and biological control recommendations)