Illinois Field Crop Applicators Test questions with correct answers

various, economical, environmentally sound, socially acceptable Correct Answer-An integrated pest management program is based upon what factors? Economic threshhold Correct Answer-What is the number of pests that should be controlled to prevent economic damage from occurring? Economic Injury level Correct Answer-Number of pests, costs of various treatments, expected yield, and expected grain value are all factors to determine.... Do not treat, but scout again later. Correct Answer-What should be done if scouting detects an important pest, but its numbers do not reach the economic threshold? random Correct Answer-When scouting, where in the field should you sample? Cultural, Mechanical, Biological, Chemical Correct Answer-What are the 4 types of control measures used in an IPM? Larvae Correct Answer-At what stage in the life-cycle of a Corn rootworm does it prune and tunnel through the roots causing stalk lodging? Adult Correct Answer-At what life-cycle stage does a corn rootworm cause ear damage by feeding on the silks? When silks are green, 5 or more beetles per plant if