Illinois Field Crop Applicators Test
Questions With Complete Solutions
An |integrated |pest |management |program |is |based |upon |what |factors? |- |CORRECT
ANSWER✔✔-various, |economical, |environmentally |sound, |socially |acceptable
|
What |is |the |number |of |pests |that |should |be |controlled |to |prevent |economic |damage |from
occurring? |- |CORRECT |ANSWER✔✔-Economic |threshhold
|
Number |of |pests, |costs |of |various |treatments, |expected |yield, |and |expected |grain |value |are |all
factors |to |determine.... |- |CORRECT |ANSWER✔✔-Economic |Injury |level
|
What |should |be |done |if |scouting |detects |an |important |pest, |but |its |numbers |do |not |reach |the
economic |threshold? |- |CORRECT |ANSWER✔✔-Do |not |treat, |but |scout |again |later.
|
When |scouting, |where |in |the |field |should |you |sample? |- |CORRECT |ANSWER✔✔-random
What |are |the |4 |types |of |control |measures |used |in |an |IPM? |- |CORRECT |ANSWER✔✔-Cultural,
|Mechanical, |Biological, |Chemical
At |what |stage |in |the |life-cycle |of |a |Corn |rootworm |does |it |prune |and |tunnel |through |the |roots
causing |stalk |lodging? |- |CORRECT |ANSWER✔✔-Larvae
|
At |what |life-cycle |stage |does |a |corn |rootworm |cause |ear |damage |by |feeding |on |the |silks? |-
CORRECT |ANSWER✔✔-Adult
|
, What |are |the |economic |thresholds |when |scouting |for |corn |rootworm |beetles |in |corn? |-
|CORRECT |ANSWER✔✔-When |silks |are |green, |5 |or |more |beetles |per |plant |if |silks |are |clipped
|within |1/2 |inch |of |the |ear |tip.
What |are |the |economic |thresholds |when |scouting |for |corn |rootworm |beetles |in |soy? |-
|CORRECT |ANSWER✔✔-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.
What |damage |does |a |black |cutworm |larvae |do |to |corn |seedlings? |- |CORRECT |ANSWER✔✔-
feed |on |the |leaves |and |older |larvae |cause |leaf |cutting |leading |to |reduced |stands.
What |are |3 |factors |that |have |the |most |potential |to |lead |to |black |cutworm |damage? |-
CORRECT |ANSWER✔✔-Crop |debris, |winter |annaul |weeds, |late |planted
|
What |is |the |recommended |method |for |managing |black |cutworms |in |IL? |- |CORRECT
ANSWER✔✔-rescue |treatments |when |nessisary
|
What |type |of |larvae |causes |whorl |damage |in |1st |generation, |stalk |tunneling |damage |in |the
|2nd |generation |with |possible |ear |tunneling |and |stalk |rot? |- |CORRECT |ANSWER✔✔-European
|corn |borer
Damages |corn |by |coating |the |tassels |and |silks |with |honeydew |which |reduces |pollination. |-
CORRECT |ANSWER✔✔-Leaf |Aphid
|
What |insects |have |white, |C-shaped, |and |about |1 |inch |long |larvea |which |can |be |differentiated
|by |their |raster |patterns? |- |CORRECT |ANSWER✔✔-Japanese |beetle |grubs |and |other |white
|grubs.
Questions With Complete Solutions
An |integrated |pest |management |program |is |based |upon |what |factors? |- |CORRECT
ANSWER✔✔-various, |economical, |environmentally |sound, |socially |acceptable
|
What |is |the |number |of |pests |that |should |be |controlled |to |prevent |economic |damage |from
occurring? |- |CORRECT |ANSWER✔✔-Economic |threshhold
|
Number |of |pests, |costs |of |various |treatments, |expected |yield, |and |expected |grain |value |are |all
factors |to |determine.... |- |CORRECT |ANSWER✔✔-Economic |Injury |level
|
What |should |be |done |if |scouting |detects |an |important |pest, |but |its |numbers |do |not |reach |the
economic |threshold? |- |CORRECT |ANSWER✔✔-Do |not |treat, |but |scout |again |later.
|
When |scouting, |where |in |the |field |should |you |sample? |- |CORRECT |ANSWER✔✔-random
What |are |the |4 |types |of |control |measures |used |in |an |IPM? |- |CORRECT |ANSWER✔✔-Cultural,
|Mechanical, |Biological, |Chemical
At |what |stage |in |the |life-cycle |of |a |Corn |rootworm |does |it |prune |and |tunnel |through |the |roots
causing |stalk |lodging? |- |CORRECT |ANSWER✔✔-Larvae
|
At |what |life-cycle |stage |does |a |corn |rootworm |cause |ear |damage |by |feeding |on |the |silks? |-
CORRECT |ANSWER✔✔-Adult
|
, What |are |the |economic |thresholds |when |scouting |for |corn |rootworm |beetles |in |corn? |-
|CORRECT |ANSWER✔✔-When |silks |are |green, |5 |or |more |beetles |per |plant |if |silks |are |clipped
|within |1/2 |inch |of |the |ear |tip.
What |are |the |economic |thresholds |when |scouting |for |corn |rootworm |beetles |in |soy? |-
|CORRECT |ANSWER✔✔-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.
What |damage |does |a |black |cutworm |larvae |do |to |corn |seedlings? |- |CORRECT |ANSWER✔✔-
feed |on |the |leaves |and |older |larvae |cause |leaf |cutting |leading |to |reduced |stands.
What |are |3 |factors |that |have |the |most |potential |to |lead |to |black |cutworm |damage? |-
CORRECT |ANSWER✔✔-Crop |debris, |winter |annaul |weeds, |late |planted
|
What |is |the |recommended |method |for |managing |black |cutworms |in |IL? |- |CORRECT
ANSWER✔✔-rescue |treatments |when |nessisary
|
What |type |of |larvae |causes |whorl |damage |in |1st |generation, |stalk |tunneling |damage |in |the
|2nd |generation |with |possible |ear |tunneling |and |stalk |rot? |- |CORRECT |ANSWER✔✔-European
|corn |borer
Damages |corn |by |coating |the |tassels |and |silks |with |honeydew |which |reduces |pollination. |-
CORRECT |ANSWER✔✔-Leaf |Aphid
|
What |insects |have |white, |C-shaped, |and |about |1 |inch |long |larvea |which |can |be |differentiated
|by |their |raster |patterns? |- |CORRECT |ANSWER✔✔-Japanese |beetle |grubs |and |other |white
|grubs.
