Review for Ch 9 - Lawncare

There are two turfgrass types: ______ and _______. Cool-Season grasses grow best in temperatures ranging from _______ to _______ degrees F. Warm-season grasses grow best in temperature ranging from _______ to _______ degrees F.

• Cool-Season and Warm-Season; 60 - 75; 80 - 95

• Cold-Season and Warm-Season; 55 - 70; 75 - 90

• Cool-Season and Hot-Season; 65 - 80; 85 - 100

• Warm-Season and Cold-Season; 50 - 70; 75 - 90

Match the following:

A: A stem that grows laterally above the ground. Nicknamed a "runner"

B: A stem that grows laterally underground

C: A new plant produced at the base of the original plant. These form clumps and are called "bunch grasses"

• A

• Rhizome

• C

• Tiller

• B

• Stolom

In the winter, when warm-season grasses are dormant they turn brown. The plant is not dead, but the grass leaves have lost their _____________________.

• Nitrogen

• Chlorophyll

• Cell sap

• Inorganic salts

Is hybrid Bermuda available as seed?

• Yes

• NO

How much soil is needed to establish and maintain a lawn?

• 4" is enough

• Exactly 12"

• 8" is good

• 12" or more

1) The best time to plant cool-season turfgrass seed is ______. 2) The best time to plant warm-season turfgrass seed is ______.

• 1) early summer or late summer;

  2) early spring to late summer

• 1) late summer or early fall;

  2) late spring to early summer

• 1) late fall to early winter;

  2) late winter to early spring

A single mowing should not remove more than _____ of the leaf surface.

• 1/3

• 1/2

• 1/4

• 3/4

Should you remove grass clippings after mowing?

• Yes

• No

Answer explanation

No, unless they interfere with the intended use of the turf or if they will smother the turf.

When is the best time to aerify your lawn?

• You can aerify your lawn at any time.

• 3-4 weeks of good growing conditions to follow.

• 4-6 weeks of good growing conditions to follow

Topdressing involves applying a thin layer of media (compost, sand or soil) on top of an established lawn. You should apply no more than ​ (a)   at a time.

• 1/2"
• 1/4"
• 3/4"
• 1"