Ornamental/Turf pesticide applicator's
licence 132 exam study guide Test
What are some cultural management practices that will reduce weed
problems in turf? - Correct Answer ✔️✔️1.) Planting a turf
species that is adapted to the site
2.) Mowing at the correct height
3.) Fertilizing only when turf is actively growing (to avoid stimulating
weed germination)
4.) Dethatching or aerating at times when weed seeds are NOT
germinating
5.) Managing disease and insect pests to prevent thin areas in the turf
6.) Watering infrequently and deeply
What is a situation where a broad spectrum, non-selective herbicide
could be used on turf? - Correct Answer ✔️✔️When your grass is
,basically all weeds or you are trying to kill the dead grass to put new
sod
When would weather conditions cause herbicide failure? - Correct
Answer ✔️✔️If the weather is too hot, too dry, or too cold
How do you use herbicides to slow the development of resistant
weeds? - Correct Answer ✔️✔️1.) Making fewer herbicide
applications
2.) Using herbicides that have different modes of action
3.) Mowing to remove flowers before seeds form
When is the best time to control biennial weeds? - Correct Answer ✔
️✔️The best time to control them is in their first year of growth
What are 2 summer annual grasses and when is the best time to
control them? - Correct Answer ✔️✔️1.) Crabgrasses
2.) Goosegrass
,* The best time to control these grasses is late winter/early spring
What are three problems that could cause failure of pre emergence
herbicides? - Correct Answer ✔️✔️1.) Applying herbicide after
weed has emerged
2.) Thick thatch
3.) Too much sunlight causing the herbicide to break down
What is the best approach to control undesirable perennial grasses? -
Correct Answer ✔️✔️The best approach is to spot-treat the
infested area of grass With a selective or nonselective, systemic
(translocated herbicide
What is the best approach to control yellow nutsedge? - Correct
Answer ✔️✔️Apply herbicide applications every 2 to 3 weeks
What is the best approach to control winter annuals? - Correct
Answer ✔️✔️Mid to late fall and early winter using a selective,
post emergence broadleaf herbicides
, What are the guidelines for use of post emergence herbicides? -
Correct Answer ✔️✔️1.) Do not apply post emergence herbicides
to newly seeded grass until it has been mowed at least 3 times
2.) Wait 4 to 6 weeks before applying herbicide to a newly sodded area
3.) Do not apply when rain is expected
4.) Try to avoid mowing a treated area for at least 3 days after
application
5.) Wait 3 to 4 weeks before seeding bare spots left by killed weeds. Do
not seed until the area has received rain or irrigation to break down any
herbicide remaining in the soil
What are the guidelines for use of pre emergence herbicides? -
Correct Answer ✔️✔️1.) You may need to wait 2 to 4 months
before it is safe to reseed. Read the label
2.) Do not use a pre emergence herbicide before laying sod or at the
time of turf grass seeding unless indicated on the label
licence 132 exam study guide Test
What are some cultural management practices that will reduce weed
problems in turf? - Correct Answer ✔️✔️1.) Planting a turf
species that is adapted to the site
2.) Mowing at the correct height
3.) Fertilizing only when turf is actively growing (to avoid stimulating
weed germination)
4.) Dethatching or aerating at times when weed seeds are NOT
germinating
5.) Managing disease and insect pests to prevent thin areas in the turf
6.) Watering infrequently and deeply
What is a situation where a broad spectrum, non-selective herbicide
could be used on turf? - Correct Answer ✔️✔️When your grass is
,basically all weeds or you are trying to kill the dead grass to put new
sod
When would weather conditions cause herbicide failure? - Correct
Answer ✔️✔️If the weather is too hot, too dry, or too cold
How do you use herbicides to slow the development of resistant
weeds? - Correct Answer ✔️✔️1.) Making fewer herbicide
applications
2.) Using herbicides that have different modes of action
3.) Mowing to remove flowers before seeds form
When is the best time to control biennial weeds? - Correct Answer ✔
️✔️The best time to control them is in their first year of growth
What are 2 summer annual grasses and when is the best time to
control them? - Correct Answer ✔️✔️1.) Crabgrasses
2.) Goosegrass
,* The best time to control these grasses is late winter/early spring
What are three problems that could cause failure of pre emergence
herbicides? - Correct Answer ✔️✔️1.) Applying herbicide after
weed has emerged
2.) Thick thatch
3.) Too much sunlight causing the herbicide to break down
What is the best approach to control undesirable perennial grasses? -
Correct Answer ✔️✔️The best approach is to spot-treat the
infested area of grass With a selective or nonselective, systemic
(translocated herbicide
What is the best approach to control yellow nutsedge? - Correct
Answer ✔️✔️Apply herbicide applications every 2 to 3 weeks
What is the best approach to control winter annuals? - Correct
Answer ✔️✔️Mid to late fall and early winter using a selective,
post emergence broadleaf herbicides
, What are the guidelines for use of post emergence herbicides? -
Correct Answer ✔️✔️1.) Do not apply post emergence herbicides
to newly seeded grass until it has been mowed at least 3 times
2.) Wait 4 to 6 weeks before applying herbicide to a newly sodded area
3.) Do not apply when rain is expected
4.) Try to avoid mowing a treated area for at least 3 days after
application
5.) Wait 3 to 4 weeks before seeding bare spots left by killed weeds. Do
not seed until the area has received rain or irrigation to break down any
herbicide remaining in the soil
What are the guidelines for use of pre emergence herbicides? -
Correct Answer ✔️✔️1.) You may need to wait 2 to 4 months
before it is safe to reseed. Read the label
2.) Do not use a pre emergence herbicide before laying sod or at the
time of turf grass seeding unless indicated on the label
