Core exam study guide With Complete/Accurate Solutions!

State the advantages of pesticide use - ANSWER-Effectiveness, speed and ease of controlling pests, and in many cases, their reasonable cost compared with other control options. Identify when in their life cycles pests are, generally, most easily controlled by pesticides - ANSWER-When they are immature Explain why some pesticide application sites are regarded as sensitive - ANSWER-The location may have children present (schools), elderly (nursing homes), or infirm (hospitals). Other sites may be sensitive because of environmental concerns such as wetlands, rare habitats or areas with endangered species present Explain how site history can inform a pest management decision - ANSWER-Written records enable pest managers to review how well various control strategies worked, their impact on the environment, and how they might be improved before implementing them again in the future List factors that can cause pesticide applications to fail - ANSWER-Pest misidentification, leading to a wrong choice of pesticide, correct pesticide applied at the wrong time, or pesticide resistance has developed after repeated treatments with the same formulation Define pesticide resistance - ANSWER-Ability of an insect, fungus, weed, rodent, or other pest to tolerate a pesticide that once controlled it, occurs over time when more susceptible individuals die off from pesticides ad the more resilient individuals are left to reproduce Define formulation - ANSWER-active + inert (inactive) ingredients define solution - ANSWER-the result of a substance (solute) being dissolved in a liquid (solvent) define suspension - ANSWER-a mixture of finely divided, solid particles dispersed in a liquid (not dissolved), and must be agitated to maintain homogenous distribution define emulsion - ANSWER-a mixture that occurs when one liquid is dispersed (as droplets) in another liquid Pros and cons of dusts - ANSWER-easy to use, no mixing require, application equiment is lightweight, provide excellent coverage. cons - inhalation and drift hazard