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RIGHT-OF-WAY PESTICIDE EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ $10.49   Add to cart

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RIGHT-OF-WAY PESTICIDE EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++

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RIGHT-OF-WAY PESTICIDE EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ Root-absorbed herbicides are more effective when applied postemergence. T or F False Define contact herbicide kills where it directly contacts. Controls annual and biennial Define systemic herbicide used fo...

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  • November 3, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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RIGHT-OF-WAY PESTICIDE EXAM QUESTIONS AND

ANSWERS WITH COMPLETE SOLUTIONS GRADED A++


Root-absorbed herbicides are more effective when applied postemergence. T or F

False

Define contact herbicide

kills where it directly contacts. Controls annual and biennial

Define systemic herbicide

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

True

What is temperature inversion and how can it affect pesticide drift?

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

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?

systemic

How can leaf shape affect herbicidal action

herbicides will runoff narrow and upright leaves. Broad leaves hold herbicide longer

, What climatic factors affect herbicides

humidity, light, precipitation, wind, temp, length of growing season

what are the five categories of selective herbicide applications

foliage spraying, basal spraying, granular/pellet, spotgun/exact dose, cut surface

herbicide

What are the 3 basic foliage spray treatments used in right-of-ways.

low volume ground foliage, high ground foliage, aerial

What are the differences between low volume ground foliage and high volume

ground foliage treatments?

High volume has a specific concentration that is applied instead of rate per acre.

Foliage is prayed to a point where additional spray begins to drip of treated leaves.

Larger volumes of mix. Amount applied will very a lot

What steps can you take to avoid drift and accidental spraying of non-target

plants when using high volume ground foliage treatments

avoid spray pattern being too high/far, use low pressure, avoid unfavorable weather,

spray parallel to edge of right-of-way

What is the difference between conventional basal spraying and low volume

basal spraying

low volume uses a more concentrated herbicide mix

In low volume basal spraying stems are completely encircled and wet to

rundown. T or F

False

What are the advantages and disadvantages of granular and pellet applications

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