Wisconsin Pesticide Applicator Exam Review: Turf & Landscape Rated 100% Correct!!

Wisconsin Pesticide Applicator Exam Review: Turf & Landscape Rated 100% Correct!!
Ch.1 List the general kinds of damage insect pests can cause - Answer -Chew on
seeds, roots, leaves, stems, & fruits
-Tunnel in roots, stems, & leaves
-Suck plant juices
-Promote gall formation and other malformations
-Inject toxins into plants -Transmit diseases to plants
-Create a nuisance for people
Ch.1 Describe the structural features of insects - Answer Insects have: body form
has 3 regions: head, thorax, abdomen; 3 pairs of legs attached to thorax; 0, 1, or 2
pairs of wings attached to thorax; 1 pair of antennae
Ch.1 Explain how to distinguish insects from other arthropods - Answer Arthropods
have: exoskeleton; body form has 2 regions: head & abdomen; usually 4 pairs of
legs attached to head; no wings; no antennae
Ch.1 Contrast the difference between simple and complete metamorphosis - Answer
-Simple: "Incomplete Metamorphosis"; 3 stages: egg, nymph, & adult
-Complete: 4 distinct stages: egg, larva, pupa, & adult
Ch.1 Explain how temperature and humidity affect insect development - Answer
*Temperature & humidity preferences vary for each insect.
*Combined effect of both on reproduction & development is more dramatically
different than the effect of either alone.
-Temperature: development is faster with heat & slower with cold temps; insects die
at the high levels of developmental threshold temps and become inactive at low
levels
-Humidity: effects insect diseases; effects moisture levels required for survival
Ch.1 List the advantages and disadvantages of using insecticides - Answer
Advantages:
-Effective against economically damaging pests
-Can combine 1 or 2 insecticides to combat several pests
-They act quickly to control pests before reaching damaging levels
-For new pests, there are many compounds that have been proven effective
-Effective insecticides, suitable formulations, & application equipment are normally
available
Disadvantages:
-Often eliminate beneficial insects, allowing target organisms to rebound quickly
-Repeated exposure can lead to resistance in a pest population
-Yearly dependence on applications is an added cost
-Always a potential for drift, residues, and damage
Ch.2 Explain what determines whether a given plant is a weed - Answer Weeds are
unwanted plants