Turf grass pest management: 3A Chapter 1 with Questions and Answers 100% Solved

Why is it important to use both short term suppression and long term maintenance tactics in pest management? - Short term offers a quick fox, but pest population will rebuild. Long term must be used to reduce pest populations permanently Plant Resistance - Varieties of grass containing endophyte fungi Mechanical and physical controls - Includes hand removal, traps, barriers and repellants Cultural controls - Includes raking, thatch removal and aeration Give an example of a turf grass disease that can be managed with hand removal techniques - Slime mold Give one example of a weed situation that can be managed with hand removal techniques - Ina new strand of grass, hand removal of weeds may be necessary to prevent damage to the young grass plants Explain why turf cannot at the same time benefit from biological control methods to be pest free - There must be a low level of pest or prey insects for the predators to feed on How can you help maintain existing populations of beneficial organisms in a turf stand - By making pesticide applications only when needed What is the most commonly used microbial insecticide? On what insect larvae is it effective? - Bacillus thuringiensis, or Bt, used to control caterpillars Are microbial insecticides best used for short term suppression or long term maintenance of pest populations? Why? - Long term maintenance. Microbial insecticides are slower action and do not kill all of the pests at once, which allows there to be food for other beneficial organisms. List five questions to consider when choosing a pesticide to control a turf pest. - 1. Is the pesticide labeled for use on turf?