Diagnose your blackberry or raspberry plants’ lack of growth, discoloration or damaged leaves with these tools from N.C. State and Cornell, respectively, which provide photo examples associated with a wide variety of symptoms and diseases.
Blackberry Diagnostic Tool
This agricultural resource is a collaborative effort of researchers and Extension specialists that have responsibilities for blackberry production in the eastern U.S., as well as the N.C. MarketReady team.
Raspberry Diagnostic Tool
This tool will help growers identify the source of many of their raspberry plant problems. Symptoms are listed categorically by canes or laterals, leaves and stems, and flowers and fruit.
N.C. State University Plant Disease and Insect Clinic
The Plant Disease and Insect Clinic at N.C. State University provides disease diagnostic and insect identification services to help growers produce healthy plants and crops. Extension specialists from Plant Pathology, Entomology, Horticultural Science, Crop Science and Soil Science diagnose problems on the samples received.
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