P age | 1
| | | | |
ILLINOIS PESTICIDE APPLICATOR
TURFGRASS EXAM UPDATED EXAM
WITH VERIFIED SOLUTIONS.
1. Pythium blight - correct answers -sunken patches 1-6 inches
| | | | | | | |
|across; grass blades first slimy then withered
| | | | | |
2. Red thread - correct answers -"scorched" patches with reddish
| | | | | | | |
|brown cast; light pink/blood red threads emerge from leaves
| | | | | | | |
3. Rust - correct answers -yellow/orange or red/brown powdery
| | | | | | |
|pustules; spores rub of easily; occurs mostly during drought
| | | | | | | |
4. Slime molds - correct answers -feed on decaying matter, fungi,
| | | | | | | | |
|and bacteria; do little damage but may cause yellowing
| | | | | | | |
5. Summer patch and necrotic ring spot - correct answers -
| | | | | | | | |
|scattered light green patches; form large light straw colored
| | | | | | | |
|circle; "frogeye / doughnut"
| | |
, P age | 2
| | | | |
6. Take all patch - correct answers -problem only on bentgrass;
| | | | | | | | |
|yellow/brown patches of dead grass | | | |
7. Yellow patch - correct answers -occurs in cooler temperatures;
| | | | | | | |
|distinctly sunken appearance; forms large irregularly shaped
| | | | | |
|yellow areas |
8. Yellow tuft - correct answers -small yellow tufts; easily pulled
| | | | | | | | |
|from turf due to stunted roots
| | | | |
9. Zoysia patch - correct answers -irregular patterns exceeding 15
| | | | | | | |
|feet across; numerous and randomly distributed
| | | | |
10. Cfvalve - correct answers -pressure regulating valve; allows
| | | | | | |
fluid to pass only at certain pressure and flow
| | | | | | | | |
11. Flooding flat fan nozzle - correct answers -wide angled flat
| | | | | | | | |
fan pattern; used for applications that require use of high flow
| | | | | | | | | | |
rate nozzles
| |
, P age | 3
| | | | |
12. High flow nozzles - correct answers -high flow rate and wide
| | | | | | | | | |
pattern of flooding nozzles but in flat fan nozzle design
| | | | | | | | | |
13. Turbo flat fan nozzles - correct answers -utilizes both pre-
| | | | | | | | |
orifice and turbulation chamber, increasing droplet size
| | | | | | |
14. Air-Induction Flat Fan Nozzles - correct answers -Use pre- | | | | | | | |
orifice but draw air into the spray like carburetor; All work
| | | | | | | | | | |
together to make larger droplets
| | | | |
15. HPG (Hydrozpropyl Guar) - correct answers -drift-control
| | | | | |
additive commonly used today
| | | |
16. GPA spray application for gallons per 1,000 square feet -
| | | | | | | | |
correct answers -(GPA x 1000) / 43,560
| | | | | | |
17. Gallons of spray applied per 1,000 square feet - correct
| | | | | | | | |
answers -(GPM x 136) / (MPH x W)
| | | | | | | |
| | | | |
ILLINOIS PESTICIDE APPLICATOR
TURFGRASS EXAM UPDATED EXAM
WITH VERIFIED SOLUTIONS.
1. Pythium blight - correct answers -sunken patches 1-6 inches
| | | | | | | |
|across; grass blades first slimy then withered
| | | | | |
2. Red thread - correct answers -"scorched" patches with reddish
| | | | | | | |
|brown cast; light pink/blood red threads emerge from leaves
| | | | | | | |
3. Rust - correct answers -yellow/orange or red/brown powdery
| | | | | | |
|pustules; spores rub of easily; occurs mostly during drought
| | | | | | | |
4. Slime molds - correct answers -feed on decaying matter, fungi,
| | | | | | | | |
|and bacteria; do little damage but may cause yellowing
| | | | | | | |
5. Summer patch and necrotic ring spot - correct answers -
| | | | | | | | |
|scattered light green patches; form large light straw colored
| | | | | | | |
|circle; "frogeye / doughnut"
| | |
, P age | 2
| | | | |
6. Take all patch - correct answers -problem only on bentgrass;
| | | | | | | | |
|yellow/brown patches of dead grass | | | |
7. Yellow patch - correct answers -occurs in cooler temperatures;
| | | | | | | |
|distinctly sunken appearance; forms large irregularly shaped
| | | | | |
|yellow areas |
8. Yellow tuft - correct answers -small yellow tufts; easily pulled
| | | | | | | | |
|from turf due to stunted roots
| | | | |
9. Zoysia patch - correct answers -irregular patterns exceeding 15
| | | | | | | |
|feet across; numerous and randomly distributed
| | | | |
10. Cfvalve - correct answers -pressure regulating valve; allows
| | | | | | |
fluid to pass only at certain pressure and flow
| | | | | | | | |
11. Flooding flat fan nozzle - correct answers -wide angled flat
| | | | | | | | |
fan pattern; used for applications that require use of high flow
| | | | | | | | | | |
rate nozzles
| |
, P age | 3
| | | | |
12. High flow nozzles - correct answers -high flow rate and wide
| | | | | | | | | |
pattern of flooding nozzles but in flat fan nozzle design
| | | | | | | | | |
13. Turbo flat fan nozzles - correct answers -utilizes both pre-
| | | | | | | | |
orifice and turbulation chamber, increasing droplet size
| | | | | | |
14. Air-Induction Flat Fan Nozzles - correct answers -Use pre- | | | | | | | |
orifice but draw air into the spray like carburetor; All work
| | | | | | | | | | |
together to make larger droplets
| | | | |
15. HPG (Hydrozpropyl Guar) - correct answers -drift-control
| | | | | |
additive commonly used today
| | | |
16. GPA spray application for gallons per 1,000 square feet -
| | | | | | | | |
correct answers -(GPA x 1000) / 43,560
| | | | | | |
17. Gallons of spray applied per 1,000 square feet - correct
| | | | | | | | |
answers -(GPM x 136) / (MPH x W)
| | | | | | | |
