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NC State Extension

Gardens, Lawns, and Landscapes Pest Management

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Matt Bertone

Identification and Troubleshooting

Insects, Diseases, and Disorders


This fully online, asynchronous course is part of a series of Garden and Landscape Courses offered by The North Carolina State University Department of Horticultural Science.

This is NOT an Extension Master Gardener℠ certification course. If you are interested in becoming a Master Gardener volunteer, please contact the Extension Master Gardener Coordinator in your county for information on training requirements and volunteer opportunities.

Each course in the series includes:

  • Hands-on activities,
  • Presentations by experts around the state
  • Videos
  • Slide presentations
  • Embedded interactive questions

You can complete the courses at your own pace within one year of registration. You will have access to the course Interactive version of the Extension Gardener Handbook forever!


  • Insects: common insects, insect identification, insect damage identification, how to encourage beneficial insects
  • Diseases: identify unhealthy plants, plant pathogens (fungi, bacteria, nematodes, viruses, parasitic plants), how diseases develop, how to diagnose disease, principles of plant disease management
  • Plant Disorders: plant nutrition deficiencies, weather damage, moisture damage, other abiotic plant disorders
  • Wildlife interactions with plants: common animals in the garden, strategies to reduce damage, planning for wildlife habitat
  • Diagnosing plant problems: 10 steps for gathering information, how to submit samples for diagnosis
  • Integrated Pest Management (IPM): how to develop an IPM plan; cultural, mechanical, biological, and chemical techniques


Other courses in the

Gardens, Lawns, and Landscape Series