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Turf Test > Test 1 > Flashcards

Test 1 Flashcards

1
Q

Stolon

A

Above ground stem:

EX: St. Augustine grass, centipede grass, Rough Bluegrass

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2
Q

Rhizomes

A

Below-ground stem

EX: Kentucky Bluegrass

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3
Q

Combination of Stolons & Rhizomes

A

EX: Bermuda grass & Zoysia grass

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4
Q

Crowns

A

At below ground level. Give rise to leaves, roots, tillers, and elongated stems. Must be protected for plant to survive.

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5
Q

Stomate

A

Pore through which gaseous exchange occurs.

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6
Q

Photosynthesis

A

The production of carbohydrates from CO2 and water in the presence of light

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7
Q

Respiration

A

Breaking down of carbohydrates to produce energy

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8
Q

Cool Season Grasses

A 
Greatest Growth: Spring & Fall
Dormant or (Semi-dormant): Summer & winter
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9
Q

Warm Season Grasses

A

Greatest Growth: Late summer, summer and early fall

Dormant: After 1st freeze & if moisture stressed during summer

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10
Q

St. Augustinegrasses

A

Warm Season
Advantages: Shade tolerant, adapted to taller mowing height (less frequent mowing), drought tolerant, resistance to SAD
Disadvantages: low cold & wear tolerant
Cannot normally be successfully established from seed

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11
Q

Bermudagrasses

A

Warm Season
Advantages: Wear tolerant, good cold tolerance, drought tolerant
Disadvantage: Low quality, poor shade tolerance, prone to scalping

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12
Q

Thatch

A

A layer of non or partially decomposed plant parts just above the soil surface

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13
Q

Raleigh

A

Traditionally, the St. Augustinegrass cultivar which is most widely sold is

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14
Q

Tifway

A

Warm Season
Industry standard for sports fields & fairways; it is considered the “industry standard” for warm season sports turf,

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15
Q

Seashore Paspalum

A

Warm Season

Most salt-tolerant turfgrass

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16
Q

What % of the soil should be occupied by pore space (air+ water)

A

50%

17
Q

Sand

A

Soil type with the poorest nutrient and water holding capacity, largest particles, called “course”

18
Q

Clay

A

Soil type with the highest cation exchange capacity (CEC), smallest particles

19
Q

Silt

A

feels slick and smooth, medium sized particles

20
Q

Loam

A

a soil type consisting of a mixture of the 3 soil partical types, not a particle size

21
Q

Ultradwarf bermudagrasses

A

For high quality putting greens, require high maintenance

22
Q

Zoysiagrasses

A

Warm Season
The most wear tolerant grass, which forms a dense, high quality turf if managed properly
Disadvantages: Expensive

23
Q

Centipedegrass

A

Warm Season
Can handle moisture, Southeastern, grows in hot and wet climates
Disadvantage: poor wear tolerance
In a sunny lawn in the south

24
Q

Buffalograss

A

Warm Season
Most drought tolerant, unlikely to scalp
Disadvantages: low shade & wear tolerance
Grass along the roadside

25
Q

Perennial ryegrass

A

Cool Season
A grass used for overseeding golf course fairways and greens in the south
Many varieties, blends, & mixtures, dark green color

26
Q

Tall fescue

A

Cool Season
Irrigated home lawns
Advantages: Good heat, drought, & salt tolerant
Disadvantages: Requires a fair amount of irrigation, slow to establish
Grass with year round green color

27
Q

Kentucky Bluegrass

A

Cool Season
Sunny lawn in the cold, rhizomatous growth habit (no stolons), most widely used cool-season grass, but not in south, not used for putting greens

28
Q

Ryegrass

A

Cool Season
Bunch type growth habit (no stolons or rhizomes), like moist, cool environment; seed matures in early summer
Advantages: quick establishment from seed, cold & wear tolerance
Disadvantages: poor drought tolerance, low mowing quality
Holds things in place

29
Q

Annual Bluegrass

A

Cool Season
Usually considered a weed
Advantages: rapid growth, shade tolerant
Disadvantages: Poor tolerance to heat, drought, and cold

30
Q

Bentgrasses

A

Cool Season

A golf course putting green in Missouri

31
Q

CEC

A

Cation Exchange Capacity

32
Q

Bahiagrass

A

Warm Season
A low maintenance turf grass that is not used for high quality lawns because of its lack of density and unsightly seedheads

33
Q

Texture

A

Determined by the size of the individual soil particles

34
Q

Structure

A

Aggregation of soil particles

35
Q

Lime

A

Raises the pH

36
Q

Sulfur

A

Lowers the pH

Turf Test (1 decks)

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