Illinois Field Crop Applicators
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, 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?
From late July to late august at least 5 beetles per unbaited pherocon
TestExam|Actual Questions and Verified
Answers| Updated
https://www.stuvia.com/user/thinktrek
+1(305) 565-6365
, 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?
From late July to late august at least 5 beetles per unbaited pherocon
