Score ______________ / 30

Quiz #3

Multiple choice. (12 pts.)

Please read these carefully. Only one response correctly answers the question, or completes the statement.
Circle the corresponding letter (a, b, c, d, or e).

1. The warm-season turfgrass with the fastest potential for growth, recuperation from damage, and the greatest
responsiveness to N fertilizer is:
a. bahiagrass
b. bermudagrass
c. centipedegrass
d. St. Augustinegrass
e. zoysiagrass

2. The warm-season turfgrass with the greatest ability to survive drought is:
a. bahiagrass
b. bermudagrass
c. centipedegrass
d. St. Augustinegrass
e. zoysiagrass

3. The warm-season turfgrass with the best shade tolerance; it is also the most widely grown in south Florida:
a. bahiagrass
b. bermudagrass
c. centipedegrass
d. St. Augustinegrass
e. zoysiagrass

4. What is the most widely used cool-season grass; it is rhizomatous, the species about which much turfgrass research
and literature is based:
a. creeping bentgrass
b. fine fescues
c. Kentucky bluegrass
d. perennial ryegrass
e. tall fescue

5. A stoloniferous, thatch-prone cool-season grass which is capable of producing the highest density, and tolerating the
highest intensity use, at the highest intensity maintenance:
a. creeping bentgrass
b. fine fescues
c. Kentucky bluegrass
d. perennial ryegrass
e. tall fescue

6. Probably the only native turfgrass from the United States is:
a. bermudagrass
b. buffalograss
c. centipedegrass
d. creeping bentgrass
e. zoysiagrass

Short answer. (18 pts.)

7. On 18 September 1995 the class started a fertilization experiment. What was the objective of the experiment?
What were the treatments? (6 pts.)


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8. Draw a graph, below, showing the typical monthly rainfall (solid line) and evapotranspiration (dashed line)
in south Florida. (6 pts.)


Label the x-axis: J F M A M J J A S O N D

Label the y-axes: Rainfall (no units required)

and

ET (no units required)

Based on your graph, in which months would there be the greatest turfgrass moisture deficit (e.g., drought and wilt)?

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In which months would there be the greatest runoff and/or percolation?


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9. An irrigation manager determines the precipitation rate and coefficient of uniformity for an irrigation system.
How might she use this information (give at least two different uses)? (4 pts.)


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10. Which is the more appropriate term, "warm-season grasses" or "southern grasses?" Why? (2 pts.)


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