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Extension Gardener Class 8

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Diagnosing Plant Problems

Not everything you plant will thrive, but you can’t know what to do to help your plants if you don’t know what’s wrong. During this class we will learn how to diagnose plant problems by studying the symptoms caused by common pest insects, plant diseases, man-made problems and abiotic disorders.

Review the slides from this class

This entertaining six minute YouTube video by Mike Raupp with the University of Maryland Extension is an excellent review of common insect pests of vegetables and the symptoms of their feeding. View CSI: Garden Pests

Extension’s Insect ID Guide for Southern Landscapes will help you identify common landscape pests based on the symptoms of their feeding.

This Georgia Extension website provides a great review of common landscape disease problems, while this one provides a great overview of common landscape pests.

Check out the pest fact sheets available from Extension to learn more about common pests and diseases of vegetables, fruits and popular ornamental plants:

Use Extension Search to search fact sheets and information from Extension systems throughout the United States. To find information on problems of specific plants, search terms such as “dogwood diseases”, “tomato pests”, or “camellia problems”.

These online problem solvers will help you determine what is bugging your plants:

Still not sure what is wrong? Review the 20 questions of plant diagnosis to see what you missed.

Stay up to date with the latest pest problems in NC by visiting the blog of NC State’s Plant Disease and Insect Clinic

Visit NC State Extension’s gardening website for more resources to learn about insects and plant diseases.

Use Extension Search to find research based information from Cooperative Extension systems across the U.S.

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