The presence of which of the following weeds can be an indicator of low soil N: - Answer-clover
Before sandbur flowers, it can be mistaken for ___________? - Answer-bermudagrass
Close mowing aids transition? T/F - Answer-true
Which fumigation method is the most effective but also the most ...
Turf Grass Exam 3 Questions and
Answers
The presence of which of the following weeds can be an indicator of low soil N: -
Answer-clover
Before sandbur flowers, it can be mistaken for ___________? - Answer-bermudagrass
Close mowing aids transition? T/F - Answer-true
Which fumigation method is the most effective but also the most harmful to the
environment? - Answer-Methyl Bromide
Green Kyllinga is usually found in dry areas? - Answer-false
Which is not true about broadleaf weeds? - Answer-Usually don't have a taproot
After graduating from TAMU, you take a 6 figure job in Nashville, TN and purchase a
newly built house without an installed lawn. You decide to plant a 'native, warm-season,
perennial' turfgrass species in your lawn. This turfgrass would be _________________?
- Answer-none under these criteria
Performance traits across 'FAST' growing turfgrasses include: - Answer-.
Increased thatch problems.
Increased mowing requirements.
Decreased turf production costs.
Which broadleaf weed is also known as 'pigweed'? - Answer-Purslane
Match each 'category' of important trait with specific responses seen in turfgrasses -
Answer-growth characteristic - bunch, intermediate, sod-forming
uniformity- mowing cut cleanliness
density- shoot number vs. internode length
color - diseases/ nutrient status
wear tolerance - tensile strength
biotic stress tolerance- pests
abiotic stress tolerance - droughtseed/ sod production- commercial viability
Which of the following is not a common class of weeds? - Answer-legumes
select ALL of the following that are 'native' turfgrass species: - Answer-Curly Mesquite
Inland Saltgrass
Buffalograss
Blue Grama
, What is the most serious weed worldwide? - Answer-nutsedge
Sand, silt, loam, & clay are the primary classes of soil particles. True or False. - Answer-
false
Amendments are macronutrients. True or False? - Answer-false
All weeds are inedible. T/F? - Answer-false
Which of the following is not a major component of an in-ground turfgrass irrigation
system: - Answer-weather station
For a lawn infested with both spurge and oxalis, the most appropriate class(es) of
herbicides to control both weeds would be: - Answer-selective post-emergent
Aerification increases the movement of all except which of the following into the soil? -
Answer-light
One advantage to lowering mowing height is that it produces stronger plants with more
extensive root systems. T/F. - Answer-false
A sprig is a stem with at least one node or crown and any attached roots or leaves. -
Answer-true
Endophytes - Answer-are beneficial in many cases
Type of mower with the highest safety. ______________ - Answer-flail
The cost of slow release fertilizers is generally cheaper than soluble fertilizer types.
True/False. - Answer-false
Cool season turf grasses are considered C3 ? True or False - Answer-true
Transpiration occurs when rootzones are saturated or when precipitation rate exceeds
the infiltration rate of the rootzone - Answer-false
Match each of the following turfgrasses with its geographic origin: - Answer-Bermuda
grass - South Africa
Zoysiagrass - Asia
Bahiagrass - South America
Kikuyugrass - East Africa
Tall Fescue - Europe
Perennial Ryegrass - Europe, Asia, and North Africa
Centipede grass - China
Carpet grass -North America
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