Illinois Field Crop Applicators Test fully solved graded A+

Illinois Field Crop Applicators Testvarious, economical, environmentally sound, socially acceptable - correct answer An integrated pest management program is based upon what factors? Economic threshold - 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 silks are clipped within 1/2 inch of the ear tip. - correct answer What are the economic thresholds when scouting for corn rootworm beetles in corn? From late July to late august at least 5 beetles per unbaited pherocon AM trap in soybeans or .75 beetles per plant in non-rotated corn. - correct answer What are the economic thresholds when scouting for corn rootworm beetles in soy?