Illinois Field Crop Applicators Test
One hundred - ANS-Droplets beneath ____ microns in size are prone to drift.
16 or extra - ANS-When bean leaf beetles feed on cotyledons and first real leaves what's the
quantity of beetles in line with foot of row this is the financial threshold?
2 inches - ANS-Most weed seeds germinate inside the pinnacle what number of inches of the
top soil?
20% defoliation or five-10% injured pods - ANS-when bean leaf beetles feed during pod fill
what's the percentage of defoliation or broken pods that is the financial threshold?
30-40% - ANS-When bean leaf beetles eat holes in leaves throughout the vegetative growth
level what is the percentage defoliation that is the monetary threshold?
Eight.34 - ANS-how lots does a gallon of water weigh in kilos?
Adjuvants - ANS-What is delivered to a postemergence herbicide to boom the subsequent
elements?
-spray coverage
-herbicide effectiveness
-spray capability
-droplet size which decreases float
Adult - ANS-At what existence-cycle degree does a corn rootworm purpose ear damage with
the aid of feeding on the silks?
Grownup - ANS-What alfalfa weevil lifecycle level is described here: half of inch lengthy beetle
this is meduim brown w/ darkish brown stripe. Tough shell.
Grownup bean leaf beetle. - ANS-1/4 inch beetle, black triangle on neck just under the top?
After the primary crop - ANS-while is alfalfa maximum susceptible to potato leafhopper damage
and consequently whilst is the most vital time to scout for this pest?
Alfalfa weevil - ANS-What pest reasons this harm: larvae skeltonize leaves, reasons fields to
appear frosted, adults feather the leaves and chew stems
, alfalfa weevil - ANS-What pest has this economic threshold? First crop- three or greater larvae
consistent with stem and 20% of the recommendations skeletonized.
Later cuttings- feeding on 50% of crowns and no regrowth for three-6 days.
Armyworm larvae - ANS-call the pest- Appearance is grean brown w/ orange stripes up to
1.Five inches long. Damage they reason is feed at night time and on cloudy days chewing thru
wheat stems inflicting heads to fall off.
Organic - ANS-The following strategies of controlling insect pests are examples of what sort of
technique?
-tachinid flies parasitizing navy worms
-genetically modified corn containing Bt
broadleaf - ANS-these are four major characteristics used to discover what form of weed
seedlings?
1. Cotyledons
2. Genuine leaves
three. Arrangement of authentic leaves
4. Leaf petioles
C - ANS-When a droplet spectrum class and VMD range is indexed as coarse and 350-450
microns what's the abbreviation for it?
Chemical - ANS-The following techniques of controlling insect pests are examples of what sort
of approach?
-rescue treatment of corn for black cutworm
-banding insecticide over corn row at planting time to control corn root-computer virus
contact - ANS-_____ fungicides are fungicides that remians of the floor of the plant
contact - ANS-Foliar applied herbicides are categorised as contact or translocated. Which of the
2 is defined below?
Symptoms are fast to expand and require most foliar coverage.
Corn - ANS-Atrazine, princep, exceed, lumax/lexer are all herbicides vulnerable to carryover
that are used in what crop?
Crop particles, winter annaul weeds, past due planted - ANS-What are three elements that have
the maximum capability to result in black cutworm harm?
Cultural - ANS-The following methods of controlling insect pest are examples of what sort of
approach?
-Fly loose wheat planting dates for hessian flies
-Early reducing of alfalfa to lessen alfalfa weevil harm
One hundred - ANS-Droplets beneath ____ microns in size are prone to drift.
16 or extra - ANS-When bean leaf beetles feed on cotyledons and first real leaves what's the
quantity of beetles in line with foot of row this is the financial threshold?
2 inches - ANS-Most weed seeds germinate inside the pinnacle what number of inches of the
top soil?
20% defoliation or five-10% injured pods - ANS-when bean leaf beetles feed during pod fill
what's the percentage of defoliation or broken pods that is the financial threshold?
30-40% - ANS-When bean leaf beetles eat holes in leaves throughout the vegetative growth
level what is the percentage defoliation that is the monetary threshold?
Eight.34 - ANS-how lots does a gallon of water weigh in kilos?
Adjuvants - ANS-What is delivered to a postemergence herbicide to boom the subsequent
elements?
-spray coverage
-herbicide effectiveness
-spray capability
-droplet size which decreases float
Adult - ANS-At what existence-cycle degree does a corn rootworm purpose ear damage with
the aid of feeding on the silks?
Grownup - ANS-What alfalfa weevil lifecycle level is described here: half of inch lengthy beetle
this is meduim brown w/ darkish brown stripe. Tough shell.
Grownup bean leaf beetle. - ANS-1/4 inch beetle, black triangle on neck just under the top?
After the primary crop - ANS-while is alfalfa maximum susceptible to potato leafhopper damage
and consequently whilst is the most vital time to scout for this pest?
Alfalfa weevil - ANS-What pest reasons this harm: larvae skeltonize leaves, reasons fields to
appear frosted, adults feather the leaves and chew stems
, alfalfa weevil - ANS-What pest has this economic threshold? First crop- three or greater larvae
consistent with stem and 20% of the recommendations skeletonized.
Later cuttings- feeding on 50% of crowns and no regrowth for three-6 days.
Armyworm larvae - ANS-call the pest- Appearance is grean brown w/ orange stripes up to
1.Five inches long. Damage they reason is feed at night time and on cloudy days chewing thru
wheat stems inflicting heads to fall off.
Organic - ANS-The following strategies of controlling insect pests are examples of what sort of
technique?
-tachinid flies parasitizing navy worms
-genetically modified corn containing Bt
broadleaf - ANS-these are four major characteristics used to discover what form of weed
seedlings?
1. Cotyledons
2. Genuine leaves
three. Arrangement of authentic leaves
4. Leaf petioles
C - ANS-When a droplet spectrum class and VMD range is indexed as coarse and 350-450
microns what's the abbreviation for it?
Chemical - ANS-The following techniques of controlling insect pests are examples of what sort
of approach?
-rescue treatment of corn for black cutworm
-banding insecticide over corn row at planting time to control corn root-computer virus
contact - ANS-_____ fungicides are fungicides that remians of the floor of the plant
contact - ANS-Foliar applied herbicides are categorised as contact or translocated. Which of the
2 is defined below?
Symptoms are fast to expand and require most foliar coverage.
Corn - ANS-Atrazine, princep, exceed, lumax/lexer are all herbicides vulnerable to carryover
that are used in what crop?
Crop particles, winter annaul weeds, past due planted - ANS-What are three elements that have
the maximum capability to result in black cutworm harm?
Cultural - ANS-The following methods of controlling insect pest are examples of what sort of
approach?
-Fly loose wheat planting dates for hessian flies
-Early reducing of alfalfa to lessen alfalfa weevil harm
