Blackberry Diagnostic Tool
Department of Horticultural Science
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Blackberry Diagnostic Tool

This website is a collaborative effort of researchers and extension specialists that have repsonsibilites for blackberry production in the eastern U.S. Thanks to Phil Brannen, Guido Schnabel, John Clark, 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 small, deformed or crumbly

Fruit are discolored or have spots

Fruit are rotting prior to harvest

Roots and crown

Crown and roots have unusual growth

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)

Box 7609     North Carolina State University     Raleigh, NC 27695-7609     (919) 515-7416
Created by G.E. Fernandez November 2004; design by C.T. Glenn;
maintained by G.E. Fernandez; last revised on November 13, 2006