CSS 202 Exam 3 Questions With Revised
Answers
What Kentucky bluegrass cultivar was primarily responsible for starting the sod industry? -
answerMerion
What disease led to the recommendation that Kentucky bluegrass plantings should contain at
least three cultivars? - answerstripe smut
Any part...
What Kentucky bluegrass cultivar was primarily responsible for starting the sod industry? -
answer✔✔Merion
What disease led to the recommendation that Kentucky bluegrass plantings should contain at
least three cultivars? - answer✔✔stripe smut
Any particular turfgrass cultivar is either immune or susceptible to stripe smut; there is not
particular resistance to the causal pathogen/ - answer✔✔True
With properly selected cultivars and timely mowing, fertilization, and irrigation, which of the
following diseases still have the potential to decimate a lawn on a site that receives ample
sunlight? (multiple)
- brown patch
- powdery mildew
- red thread
- pythium blight
- slime mold
- fuzzy leaf - answer✔✔brown patch and pythium blight
A turf disease is most likely to become lethal to plants when ... - answer✔✔pathogen mycelium
attack and parasitize crown tissue
What disease first limited the use of Kentucky bluegrass? - answer✔✔melting out
Prior to 1960, what specie(s) comprised most home lawns in the northern part of the U.S.? -
answer✔✔creeping bentgrass and fineleaf fescue
A golf course superintendent discovered the apparent mutation that was subsequently marketed
as Merion Kentucky Bluegrass. - answer✔✔True
When managing necrotic ring spot, it's critical to water deeply no more than twice a week. -
answer✔✔False
Currently, the disease of primary concern on Kentucky bluegrass lawns is necrotic ring spot. -
answer✔✔True
Infiltration rate is dependent upon which of the following factors? - answer✔✔soil structure,
amount of thatch, soil texture, mowing height
Deep and infrequent watering practices suppress any existing chinch bug infestations. -
answer✔✔False
Rain shut-off sensors need to be monitored to make sure they are working properly. -
answer✔✔True
To avoid surface runoff and/or standing water, the irrigation rate should be equal to or less than
the ________. - answer✔✔infiltration rate
In Michigan, irrigation system backflow preventers must be installed by a licensed plumber. -
answer✔✔True
Roots tend to grow from a dry soil toward a wet soil. - answer✔✔False
Scalding damage caused by the lensing effect of water droplets on turfgrass blades is
insignificant. - answer✔✔True
Deep and infrequent watering generally favors deeper rooting of turfgrasses. - answer✔✔False
For effective distribution uniformity, irrigation heads should be positioned so that there is no less
than _________ overlap - answer✔✔80%
Which of the following are effective strategies for reduce costs associated with irrigation. -
answer✔✔cycle application times if surface runoff is observed; avoid watering when windy;
lower your height of cut; put areas with differing soil textures on separate zones; install a
designated meter for irrigation water
For lawns, the texture of soil used as topdressing material should be slightly coarser than the soil
of the surface to which the material is being applied. - answer✔✔True
It is better that the timing of the next full-rate fertilizer application occurs about one week
_______ cultivation operations.
- Prior to
- following
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