Illinois Field Crop Applicators Test Questions With All Correct Answers 2024.

various, economical, environmentally sound, socially acceptable - Answer An integrated pest management program is based upon what factors? Economic threshhold - Answer What is the number of pests that should be controlled to prevent economic damage from occurring? Economic Injury level - 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. - Answer What should be done if scouting detects an important pest, but its numbers do not reach the economic threshold? random - Answer When scouting, where in the field should you sample? Cultural, Mechanical, Biological, Chemical - Answer What are the 4 types of control measures used in an IPM? Larvae - Answer At what stage in the life-cycle of a Corn rootworm does it prune and tunnel through the roots causing stalk lodging? Adult - 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 silks are clipped within 1/2 inch of the ear tip. - Answer What are the economic thresholds when scouting for corn rootworm beetles in corn?