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Illinois Field Crop Applicators Test Questions And Answers Graded A+ 2024/2025
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Illinois Field Crop Applicators Test Questions And Answers Graded A+ 2024/2025
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Illinois Field Crop Applicators TestDiverse, inexpensive, environmentally sound, socially desirable - ANSAn incorporated pest
control software is based totally upon what factors?
Economic threshhold - ANSWhat is the variety of pests that need to be controlled to prevent
financial harm from taking place?
Economic Injury degree - ANSNumber of pests, prices of diverse treatments, predicted yield,
and predicted grain price are all elements to determine....
Do no longer treat, however scout once more later. - ANSWhat should be finished if scouting
detects an essential pest, however its numbers do now not attain the financial threshold?
Random - ANSWhen scouting, where inside the field have to you pattern?
Cultural, Mechanical, Biological, Chemical - ANSWhat are the 4 styles of manipulate
measures used in an IPM?
Larvae - ANSAt what stage within the existence-cycle of a Corn rootworm does it prune and
tunnel thru the roots inflicting stalk accommodations?
Adult - ANSAt what lifestyles-cycle level does a corn rootworm purpose ear damage by
using feeding at the silks?
When silks are inexperienced, five or more beetles in keeping with plant if silks are clipped
within half of inch of the ear tip. - ANSWhat are the economic thresholds while scouting for
corn rootworm beetles in corn?
From past due July to overdue august at least 5 beetles in step with unbaited pherocon AM
trap in soybeans or .Seventy five beetles in step with plant in non-turned around corn. -
ANSWhat are the financial thresholds when scouting for corn rootworm beetles in soy?
Feed at the leaves and older larvae purpose leaf cutting leading to decreased stands. -
ANSWhat damage does a black cutworm larvae do to corn seedlings?
Crop debris, wintry weather annaul weeds, past due planted - ANSWhat are 3 factors which
have the maximum capability to cause black cutworm harm?
Rescue remedies whilst nessisary - ANSWhat is the recommended method for managing
black cutworms in IL?
European corn borer - ANSWhat kind of larvae reasons whorl damage in 1st generation,
stalk tunneling damage inside the 2d generation with possible ear tunneling and stalk rot?
, Leaf Aphid - ANSDamages corn through coating the tassels and silks with honeydew which
reduces pollination.
Japanese beetle grubs and other white grubs. - ANSWhat bugs have white, C-formed, and
about 1 inch lengthy larvea which can be differentiated through their raster styles?
Japanese beetle grubs - ANSThey chunk at the roots and root hairs of seedlings resulting in
abnormal emergence, reduced stands, and stunted or wilted flora. Injured vegetation may
turn crimson due to the fact they can't absorb phosphorus.
Japanese beetle adults. - ANSThey are steel searching inexperienced beetles which can be
3/8 to half and inch long with coppery wing covers.
Feed at the silks - ANSWhat type of harm do Japanese beetle adults cause?
Person bean leaf beetle. - ANS1/four inch beetle, black triangle on neck just below the
head?
16 or greater - ANSWhen bean leaf beetles feed on cotyledons and first genuine leaves
what's the amount of beetles according to foot of row that is the financial threshold?
30-40% - ANSWhen bean leaf beetles consume holes in leaves all through the vegetative
growth level what's the percent defoliation this is the monetary threshold?
20% defoliation or five-10% injured pods - ANSwhen bean leaf beetles feed throughout pod
fill what is the percentage of defoliation or damaged pods that is the monetary threshold?
Soybean aphids - ANSpinhead sized, yellow, round, smooth bodied, bugs at the undersides
of soybean leaves
soybean aphids - ANSWhat pest reasons the subsequent harm: suck sap from sobean plant
life causing the leaves to curl and flip yellow, excrete honeydew, sooty mildew grows at the
honeydew reducing photosynthesis, heavy infestations cause lowers pod counts, and that
they act as a vector for pathogens.
Spider mites - ANSWhat pest causes the following damage: Stripping leaves, great silk on
leaves and between flowers, bronzing leaves, curled leaves and leaf drop.
Larvae - ANSWhat alfalfa weevil lifecycle degree is described here: as much as half of inch
lengthy with dark heel. Green with stripe down lower back.
Grownup - ANSWhat alfalfa weevil lifecycle degree is described right here: half inch long
beetle this is meduim brown w/ dark brown stripe. Hard shell.
Alfalfa weevil - ANSWhat pest reasons this harm: larvae skeltonize leaves, causes fields to
appear frosted, adults feather the leaves and chunk stems
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