Right-Of-Way Pesticide Exam with Complete Questions and Answers
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Course
Right-Of-Way Pesticide
Institution
Right-Of-Way Pesticide
Right-Of-Way Pesticide Exam with Complete Questions and AnswersRight-Of-Way Pesticide Exam with Complete Questions and AnswersRight-Of-Way Pesticide Exam with Complete Questions and AnswersRight-Of-Way Pesticide Exam with Complete Questions and AnswersRoot-absorbed herbicides are more effective whe...
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
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
What climatic factors affect herbicides - ANSWER-humidity, light,
precipitation, wind, temp, length of growing season
what are "spotgun" applications? - ANSWER-hand held or backpack sprayer
that delivers a pre-measured dose of concentrated herbicide to the base of
target vegetation.
Granular application is hand operated in sparse populations. T or F -
ANSWER-True
"stump spraying" and "hack and squirt" are names for cut surface herbicide
treatments. T or F - ANSWER-False
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