Landscape Design, Installation, and Management | Chapter 11 Know and Understand

Answer the following questions using the information provided in this chapter.

On which of the following characteristics are the turf zones based?
Cool-season turfgrasses prefer an air temperature of _____.
Cool-season turfgrasses have optimum growth when soil temperatures are between _____.
Warm-season turfgrasses prefer an air temperature range of _____.
Optimum soil temperatures for warm-season turfgrasses range from _____.
True or False? Only warm-season grasses will grow in the transition zone.
Lawns used on roadsides for erosion control are referred to as _____.
High profile or low profile residential turfgrass is referred to as _____.
Turfgrass installations for businesses, such as malls or office parks, are referred to as ____.
Of the following, which is a factor to consider when choosing turfgrass?
True or False? Cool-season turfgrasses thrive in areas with hot summers and freezing winters.
True or False? Cool-season turfgrasses grow best in summer months and will turn brown in the fall months.

Match the cool- and warm-season grasses to the descriptions in 13–24.

A slow- and low-growing, coarse-textured, warm-season turfgrass that will quickly crowd out other species.
A fine-textured, fast growing, aggressive, warm-season turfgrass that spreads quickly through stolons and rhizomes.
A cool-season turfgrass with an extremely fine texture and lower fertilizer, moisture, and light requirements than the other cool-season grasses.
A pale green or yellowish green, warm-season turfgrass with coarse texture. It is well known as the lazy man’s grass.
A cool-season, medium green, turfgrass with a coarse leaf texture. It is a non-spreading, bunch-type turfgrass that only lasts for one growing season.
A bunch-type, cool-season turfgrass with a coarse texture. This grass has limited spreading ability and requires full sun.
A medium- to fine-textured, cool-season turfgrass with dark green color.
A cool-season, fine-textured turfgrass used almost exclusively on golf course putting greens.
This species produces a very thick, dense, and spongy turf due to its large, round stolons.
Perennial ryegrass is a cool-season turfgrass with a fine texture. This grass is rarely used as a standalone turfgrass.
This species produces a very thick, dense, and spongy turf due to its large, round stolons.
A warm-season turfgrass with textures that range from very fine to coarse, depending on the variety. The South American tropical grass spreads with stolons and rhizomes.
A combination of at least two species of turfgrass seeds is a _____.
A combination of cultivars of the same species of grass.
Which of the following apply to sustainable turf management?
True or False? A healthy lawn is less susceptible to weeds, insects, and diseases and promotes biodiversity in the soil and surrounding environment.
True or False? Synthetic turf has a lower upfront cost than traditional turfgrasses and has virtually no maintenance cost.

Match the plant parts to the descriptions in 30–37.

The individual components of the seedhead.
The part of a grass plant that is between the stem and leaf blade.
The area on the outside of the leaf where the leaf blade and leaf sheath join.
The flowering structure of turfgrass.
The section of the leaf blade that connects the blade to the stem.
The point from which new grass blades originate.
The leaf portion of the grass plant.
A growth that projects from each side of the collar.

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11: Know and Understand