Pennsylvania State University

TURF 100

Quiz #2

1)Overall turfgrass quality characteristics may be divided into 2 groups. Identify the 2 groups:

1. 1. 1. 1. present or absent visual and functional
         2. utility and lawn
         3. dynamic and non-dynamic
         4. healthy and unhealthy
         5. visual and functional

1. 1. 2. Density is best defined as:
         1. the distance between tillers
         2. the number of chlorophyll per unit area

1. 1. 1. 3. the number of roots per unit of soil
         4. the number of leaves per unit area
         5. the number of aerial shoots per unit area

1. 1. 3. Texture is best defined as:
         1. the width of the tiller
         2. the surface appearance of the leaf surface
         3. the softness of the leaf blade
         4. the number of tillers divided by the surface area
         5. the width of the leaf blade

1. 1. 4. Which of the following statements regarding turfgrass color is true?
         1. Color is a useful indicator of the general condition of the turfgrass
         2. Different species of turfgrasses exhibit a similar green color
         3. Color is the least important turfgrass quality characteristic
         4. Color preferences among end-users of turf are the same throughout the world
         5. Color is unresponsive to growing conditions or management

1. 1. 5. Uniformity is best defined as:
         1. an estimate of the even appearance of a turf
         2. the number of weeds growing in a turf
         3. an estimate of the density times texture
         4. the number of bare patches per unit area
         5. none of the above

1. 1. 6. Which of the following lists contain the different types of growth habit observed in turfgrasses?
         1. Sports, Utility, Lawn
         2. rhizomatous, bunch-type, stoloniferous
         3. prostrate, upright, and decumbent
         4. determinate and indeterminate
         5. tillering and non-tillering

1. 1. 7. Smoothness is best defined as follows:
         1. a measure of the roughness of the leaf blade
         2. the degree of taper of the leaf blade
         3. a surface feature that affects visual quality and playability
         4. a difficult to measure quality characteristic known as “softness”
         5. the putting speed of a turf

1. 1. 8. Which of the following terms do we use to describe texture?
         1. big vs small
         2. narrow vs wide
         3. rough vs smooth
         4. soft vs smooth