Chapter 13 Turf Grass Exam Questions
with Correct Answers
_____ are among the oldest species used by human beings to fashion the outdoors into
residential and recreational areas that suit their needs. - Answer-Turfgrasses
Today, full-service lawn care corporations are leading ____makers among landscape
professionals. - Answer-profit
What is the main reason for the ongoing interest in turf grass and improved turf care? -
Answer-Nothing has ever surpassed a top-quality lawn as the ideal outdoor surface.
______ is the term used to describe turf associated with private homes, estates, and
apartment and condominium complexes. - Answer-Residential use
______ is the term used to describe turf associated with corporate landscapes,
shopping centers, and office buildings. - Answer-Commercial use
______ is the term used to describe turf associated with civic buildings, community
centers, highway dividers, and airports. - Answer-Municipal
_____ is the term used to describe turf associated with parks, golf courses, country
clubs, stadiums, and athletic fields. - Answer-Recreational use
The correct selection of turf grass for a landscape requires knowledge of all the
following factors: - Answer--landscapes
-geographic regions
-soil types
-altitudes
-environmental conditions
Turf grasses are ____________, meaning they have only one seed leaf in the embryo,
whose growing point is at the crown near the soil. - Answer-monocotyledons
One of the objectives of good turf grass management is to encourage _______ as
quickly and as _______ as possible. - Answer-growth, uniformly
Grasses have differing growth habits, resulting from three different ways they produce
new shoots. List the three ways and give a brief description of each. - Answer-1.
Rhizome-producing (rhizomatous)-the shoots produced beneath the soil's surface and
send new plants to the surface
2. stolon-producing (stoloniferous)- the shoots produced extend outward from the parent
plant along the surface of the soil
, 3. Bunch-type- new lateral shoots termed tillers are produced from auxiliary buds within
the leaf sheath
_______ and _______ grasses tend to reproduce more quickly and evenly than bunch-
type grasses. - Answer-rhizomatous, stoloniferous
Leaf ______ is mostly a measure of the width of the leaf blade. The wider the blade the
coarser the texture. - Answer-texture
What type texture of grasses are regarded as more attractive? - Answer-fine textured
grasses
_______ refers to the number of aerial leaf shoots that a single plant or species will
produce. - Answer-density
Seed size varies_______ among grass species. Fine-textured grasses have small
seeds; coarse-textured grasses usually have much smaller. - Answer-greatly
Grasses are often grouped into two categories based on the temperatures at which they
grow best. List and define the two. - Answer-1. Cool-season grasses-favored by
daytime temp. of 60-75° F
2. Warm-season grasses- favored by daytime temp. of 80-95° F
By law, the ____________ must appear on every package of seed sold. - Answer-date
tested
Define purity. - Answer-the percent, by weight of pure grass seed
Define percent germination. - Answer-the percent of the pure seed that was capable of
germination on date tested
Define crop seed. - Answer-the percent by weight of cash crop seeds in the mixture
undesirable for lawns
Define weeds. - Answer-the percent by weight of weed seeds in the mixture
Define noxious weeds. - Answer-usually number of noxious weeds per pound or ounce
of weed seeds
Define inert material. - Answer-the percent by weight of material in the package that will
not grow
Grass seed is commonly formulated as either a mixture or a blend. A ________
combines two or more cultivars of a single species. A _________ combines two or more
different species of grass. - Answer-blend, mixture
with Correct Answers
_____ are among the oldest species used by human beings to fashion the outdoors into
residential and recreational areas that suit their needs. - Answer-Turfgrasses
Today, full-service lawn care corporations are leading ____makers among landscape
professionals. - Answer-profit
What is the main reason for the ongoing interest in turf grass and improved turf care? -
Answer-Nothing has ever surpassed a top-quality lawn as the ideal outdoor surface.
______ is the term used to describe turf associated with private homes, estates, and
apartment and condominium complexes. - Answer-Residential use
______ is the term used to describe turf associated with corporate landscapes,
shopping centers, and office buildings. - Answer-Commercial use
______ is the term used to describe turf associated with civic buildings, community
centers, highway dividers, and airports. - Answer-Municipal
_____ is the term used to describe turf associated with parks, golf courses, country
clubs, stadiums, and athletic fields. - Answer-Recreational use
The correct selection of turf grass for a landscape requires knowledge of all the
following factors: - Answer--landscapes
-geographic regions
-soil types
-altitudes
-environmental conditions
Turf grasses are ____________, meaning they have only one seed leaf in the embryo,
whose growing point is at the crown near the soil. - Answer-monocotyledons
One of the objectives of good turf grass management is to encourage _______ as
quickly and as _______ as possible. - Answer-growth, uniformly
Grasses have differing growth habits, resulting from three different ways they produce
new shoots. List the three ways and give a brief description of each. - Answer-1.
Rhizome-producing (rhizomatous)-the shoots produced beneath the soil's surface and
send new plants to the surface
2. stolon-producing (stoloniferous)- the shoots produced extend outward from the parent
plant along the surface of the soil
, 3. Bunch-type- new lateral shoots termed tillers are produced from auxiliary buds within
the leaf sheath
_______ and _______ grasses tend to reproduce more quickly and evenly than bunch-
type grasses. - Answer-rhizomatous, stoloniferous
Leaf ______ is mostly a measure of the width of the leaf blade. The wider the blade the
coarser the texture. - Answer-texture
What type texture of grasses are regarded as more attractive? - Answer-fine textured
grasses
_______ refers to the number of aerial leaf shoots that a single plant or species will
produce. - Answer-density
Seed size varies_______ among grass species. Fine-textured grasses have small
seeds; coarse-textured grasses usually have much smaller. - Answer-greatly
Grasses are often grouped into two categories based on the temperatures at which they
grow best. List and define the two. - Answer-1. Cool-season grasses-favored by
daytime temp. of 60-75° F
2. Warm-season grasses- favored by daytime temp. of 80-95° F
By law, the ____________ must appear on every package of seed sold. - Answer-date
tested
Define purity. - Answer-the percent, by weight of pure grass seed
Define percent germination. - Answer-the percent of the pure seed that was capable of
germination on date tested
Define crop seed. - Answer-the percent by weight of cash crop seeds in the mixture
undesirable for lawns
Define weeds. - Answer-the percent by weight of weed seeds in the mixture
Define noxious weeds. - Answer-usually number of noxious weeds per pound or ounce
of weed seeds
Define inert material. - Answer-the percent by weight of material in the package that will
not grow
Grass seed is commonly formulated as either a mixture or a blend. A ________
combines two or more cultivars of a single species. A _________ combines two or more
different species of grass. - Answer-blend, mixture
