Where should you obtain a permit from if you want to apply
pesticide to aquatic plants? – ANSWER- Department of Natural
Resources and Environment (DNRE)
Root-absorbed herbicides are generally more effective when
applied postemergence. T/F – ANSWER- False. Root-sbosrbed
herbicides are more effective when applied preemergence.
What is the difference between a contact and systemic
herbicide? – ANSWER- Contact herbicides kill only the green
part of the plant where the chemical contacts the weed (not
selective). Systemic/translocated herbicides move throughout
the plant (foliage or root absorbed).
Temperature, moisture, soil type, and rate of application
influence the persistence of a herbicide. T/F – ANSWER- True
What is another term for systemic herbicide and how does it
work within the plant? – ANSWER- Translocated herbicides are
absorbed by the foliage or roots and move throughout the plant.
Which type of control method is allelopathy a part of, and what
is it? – ANSWER- Biological control – when plants produce
chemical compounds that inhibit the growth of nearby plants
Mulching, controlled burning and shading are examples of
which control method? – ANSWER- Cultural control
What is the first component of IPM? – ANSWER- Pest
identification
What information should be recorded when you monitor your
control strategies? – ANSWER- – Which control method(s)
you’re using
- Start and end dates
- Rate of pesticide use
- Environmental conditions
- Problems encountered/damages
- Level of effectiveness
Why are weeds and woody plants managed on rights-of-way? –
ANSWER- For safety, aesthetics, lower maintenance, etc.
What type of control method is shading and where is it used? –
ANSWER- Cultural control – shading aquatic plants with
floating structures or dye placed in the water
Define cultural control – ANSWER- Create optimal growing
conditions for desired plants and unfavorable conditions for
pests
Define biological control – ANSWER- Enhancing the effects of
natural enemies on pests
What are the four stages of plant development? – ANSWER- 1.
Seedling
- Vegetative
- Seed production
- Maturity
Define annual plant – ANSWER- Plants that completely develop
in one year or less