APPLICATOR LICENSE EXAM 2 |
QUESTIONS WITH VERIFIED
ANSWERS
, Plant Growth Hormones - ANSWERAuxins, Gibberellins, Cytokinins, Ethylene, Abscisic
Acid
Mechanical Control - ANSWERControlling pests by mechanical methods like mulching,
pulling weeds, picking off bugs by hands.
Chemical Control - ANSWERControlling pests with chemicals such as herbicides and
insecticides
Biological Control - ANSWERControlling pests by introducing natural predators or
parasites of the targeted pest, such as ladybugs or preying mantis
Problems w/ Weeds - ANSWEROutcompete native or desired plant/ plant communities
for nutrients, water and other resources. They can be resilient and often hard to
eradicate or prevent. They also contain vigorous root systems that can repopulate
quicker than those starting from seed.
Most common & severe disease of turf-grasses and ornamentals - ANSWERFungi!!
Sprayer Components - ANSWERTanks, Pumps, Agitators, Hoses, Pressure Gauges,
Nozzles
Hydraulic Sprayers - ANSWERMainly use water as their carrier.
Rotary Spreaders - ANSWERDistribute granules to the front and sides of the spreader,
usually by means of a disc or fan.
Drop Spreaders - ANSWER(Gravity spreaders) apply coarse, uniformly sized dry
particles to soil, water and sometimes foliage.
Air-Blast Sprayers - ANSWERUse a blast of air to propel sprays
Before you Spray - ANSWER- Calculate size of the target area
- Use the label directions to calculate the amount of pesticide you need to apply
- Calibrate your application equipment
Runoff - ANSWEROccurs when the precipitation rate exceeds the rate of water
infiltration into the soil.
Volatilization - ANSWEROccurs when it changes from a solid or liquid phase into a
gaseous phase.