3A Turfgrass Pest Management Study Guide questions with correct answers

Varieties of grass containing endophyte fungi are an example of: Correct Answer-Plant resistance. Raking, thatch removal and aeration are examples of: Correct Answer-Cultural controls. Hand removal, traps, barriers and repellents are examples of: Correct Answer-Mechanical and physical controls. Example of a turfgrass disease that can be managed with hand removal techniques: Correct Answer-Slime mold. Turf cannot at the same time benefit from biological control methods and be pest free because: Correct Answer-There must be a low level of pest or prey insects for the predators to feed on. Why is it important to use both short term suppression and long term maintenance tactics in pest management? Correct Answer-Usually offers a quick fix, but the pest population will rebuild. Maintenance must be used to reduce pest populations permanently. How can you help maintain existing populations of beneficial organisms in a turf stand? Correct Answer-By making pesticide applications only when needed. What is the most commonly used microbial insecticide? On what insect larvae is it effective? Correct Answer-Bacillus thuringiensis, or Bt, used to control caterpillars.