MICHIGAN TURFGRASS PEST MANAGMENT 3A QUESTIONS AND ANSWERS 2025/2026

MICHIGAN TURFGRASS PEST MANAGMENT 3A QUESTIONS AND ANSWERS 2025/2026 Four principles for this are: 1. Produce healthy plants that resist pests. 2. Identify what is damaging the plant. 3. Expect some pests and tolerate some damage. 4. Use pesticides as a last resort. - Answer -Managing turfgrass pests What are the five turfgrass IPM steps? - Answer -1. Detect the pest 2. Identify the pest 3. Determine the amount of damage and whether it is below or above tolerance threshold 4. Select and use a management tactic 5. Evaluate the effectiveness of the strategy and keep records. Visual inspection, coffee can technique, white paper test, root sampling, disclosing solutions, pitfall traps, and pheromone-bait traps are examples of what? - Answer -Monitoring techniquesWhy is it better to keep track of degree day accumulations instead of calendar days? - Answer -Both plant growth and pest development depend on the amount of heat that surrounds an organism. An organism shouldn't be classified and treated as this until it is proven to be one. Most species of insects, fungi, nematodes and bacteria are either harmless or beneficial to turf. - Answer -Pest Many of these are directly associated with a specific species or cultivar (variety) of grass. Knowing the cultivar growing in a particular area may help you diagnose the problem. - Answer -Turfgrass disorder This is defined as the density of pests at which damage to the turf will occur. - Answer -Economic injury level (EIL) This is the pest density at which action must be taken to prevent the pest from reaching the economic injury level. - Answer -Action threshold What are: 1. Client's tolerance of pest damage 2. Visibility or use of the turn stand 3. Level of maintenance 4. Health and vigor of the turf stand 5. The degree of risk from the pest injury to the plant host 6. Expected pest reduction by natural controls - Answer -Factors affecting turfgrass injury level