Illinois Field Crop Applicators Test 100%accurate!

Illinois Field Crop Applicators Test 100%a 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 ccurate!