Objectives:

• Describe the concept of phenology in relation to pest management.
• Define an indicator plant and give an example of use for a management tactic.
• Understand how degree days are calculated and how they can be used to predict the appearance of certain insect pests.

Read:

• Chapter 18, Phenology

Watch:

Additional Links

• Phenology
• Degree day calculation
• Degree days for common landscape insect pests
• Degree days for common fruits and vegetable insect pests
• Tree and shrub pest growing degree day map
• Wisconsin Horticulture Update
• Wisconsin Pest Bulletin, Department of Agriculture, Trade, and Consumer Protection