age 1 of 12
Right-of-way pesticide Exam 2025 with correct
Answers
Root-absorbed herbicides are more effective when applied
postemergence. T or F ......ANSWER........False
Define contact herbicide ......ANSWER........kills where it directly
contacts. Controls annual and biennial
Define systemic herbicide ......ANSWER........used for perennial
weeds. Moves throughout the plant
Temperature, moisture, soil-type and rate of application
influence the persistence of a herbicide. T or F
......ANSWER........True
, age 2 of 12
What is temperature inversion and how can it affect pesticide
drift? ......ANSWER........Temp inversion is when ground air is 2-5
deg cooler than air above it. It increases drift deposits
What is the difference between a selective and non-selective
herbicide ......ANSWER........selective doesn't kill surround veg.
non-selective removes most veg
If a plant's growing points are below the soil surface, which type
of herbicide will provide better control: contact or systemic?
......ANSWER........systemic
How can leaf shape affect herbicidal action
......ANSWER........herbicides will runoff narrow and upright
leaves. Broad leaves hold herbicide longer
Right-of-way pesticide Exam 2025 with correct
Answers
Root-absorbed herbicides are more effective when applied
postemergence. T or F ......ANSWER........False
Define contact herbicide ......ANSWER........kills where it directly
contacts. Controls annual and biennial
Define systemic herbicide ......ANSWER........used for perennial
weeds. Moves throughout the plant
Temperature, moisture, soil-type and rate of application
influence the persistence of a herbicide. T or F
......ANSWER........True
, age 2 of 12
What is temperature inversion and how can it affect pesticide
drift? ......ANSWER........Temp inversion is when ground air is 2-5
deg cooler than air above it. It increases drift deposits
What is the difference between a selective and non-selective
herbicide ......ANSWER........selective doesn't kill surround veg.
non-selective removes most veg
If a plant's growing points are below the soil surface, which type
of herbicide will provide better control: contact or systemic?
......ANSWER........systemic
How can leaf shape affect herbicidal action
......ANSWER........herbicides will runoff narrow and upright
leaves. Broad leaves hold herbicide longer
