IOWA COMMERCIAL PESTICIDE APPL: RIGHT-OF-WAY (CATEGORY 6) EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
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Course
RIGHT OF WAY PESTICIDE
Institution
RIGHT OF WAY PESTICIDE
IOWA COMMERCIAL PESTICIDE APPL: RIGHT-OF-WAY (CATEGORY 6) EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
Who's Responsible?
An applicator is responsible for any damage to private or public property resulting from careless application or misuse of herbicides
What are roadside management ob...
clopyralid (Stinger). To broaden the spectrum of control, these herbicides are often
tank-mixed or formulated as products that contain more than one active ingredient (e.g.,
Crossbow is a combination of 2,4-D and triclopyr. The specific combination used should
be based on weeds present, rather than indiscriminately adding herbicides to the spray
tank.
What are some characteristics of growth regulator herbicides?
Most of these herbicides are rapidly degraded in the soil; thus, they provide little
residual control. Only weeds that are established at the time of application will be
controlled. All of the growth regulator herbicides are translocated within the plant,
making them effective for both annual & perennial weeds.
List some common ALS-inhibiting herbicides
ALS is an enzyme involved in the synthesis of specific amino acids in plants. 1)
Sulfrometuron (Oust) and 2) chlorsulfuron (Telar) are the most common ALS-inhibitors
used on roadsides for broadleaf control. Certain perennial grasses, including tall fescue
& smooth brome, have a relatively low tolerance to these chemicals & may be injured
under certain conditions, follow label rates carefully. Plateau (Imazapic) and Journey
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