Illinois Field Crop Applicators Test Questions And Answers

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