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General Horticulture: Layering and Division

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

A type of lateral shoot or branch that forms at the base of a main stem is a(n)

a)

offset

b)

runner

c)

stolon

d)

sucker

2.

A swollen, underground stem that is a storage organ for the plant is referred to as a

a)

rhizome

b)

runner

c)

stolon

d)

tuber

3.

A specialized stem that grows horizontally aboveground and forms a new plant is referred to as a

a)

rhizome

b)

runner

c)

stolon

d)

tuber

4.

A small bulb attached to the main bulb, which serves as a means of reproduction for the plant is called a

a)

subbulb

b)

bulblet

c)

nontunicate bulb

d)

tunicate bulb

5.

Making incisions or bending the stem to encourage root formation is

a)

Girdling

b)

Hilling

c)

Layering

d)

Separation

6.

Underground storage structures in plants, such as bulbs, corms, and rhizomes are called

a)

attachments

b)

girdling

c)

geophytes

d)

tubercles

7.

Many orchid species will develop a swollen, fleshly stem structure called a

a)

bulb

b)

bulblet

c)

nontunicate bulb

d)

pseudobulb

8.

Onions, Garlic, Daffodils, Tulips, and Hyacinths are examples of

a)

Corms

b)

Nontunicate

c)

Tunicate Bulbs

d)

Rhizomes

9.

In the process of crown division, perennials that flower in the spring and summer are generally divided in the ___ season

a)

Fall

b)

Spring

c)

Winter

d)

Summer

10.

Small corms that are produced from a stolon on the base of a corm are called

(a)  

11.

The specific propagation term used with plants that produce bulbs and corms that can be easily pulled apart is

(a)  

12.

A shoot that grows from an adventitious bud on a root

a)

Corms

b)

Offsets

c)

Runners

d)

Stolons

e)

Suckers

13.

The shoot tip of new growth that is inserted into the soil and grows downward

a)

Corms

b)

Simple/Tip Layers

c)

Runners

d)

Stolons

e)

Suckers

14.

Horizontal stems that grow below the group and produce plants or tubers

a)

Corms

b)

Simple/Tip Layers

c)

Runners

d)

Stolons

e)

Suckers

15.

A type of lateral shoot or branch that forms at the base of the main stem.

a)

Corms

b)

Simple/Tip Layers

c)

Runners

d)

Offsets

e)

Suckers

16.

Method in which soil is piled on the crown of the plant

a)

Air Layering

b)

Compound Layering

c)

Mound Layering

d)

Simple Layering

e)

Trench Layering

17.

Mother plant is planted in a sloping position that allows shoots to be layered horizontally and pegged down.

a)

Air Layering

b)

Compound Layering

c)

Mound Layering

d)

Simple Layering

e)

Trench Layering

18.

A long stem is bent and laid down horizontally.

a)

Air Layering

b)

Compound Layering

c)

Mound Layering

d)

Simple Layering

e)

Trench Layering

19.

A flexible, slow growing stem is bent to the ground and partially covered with soil.

a)

Air Layering

b)

Compound Layering

c)

Mound Layering

d)

Simple Layering

e)

Trench Layering

20.

Wrapping a girdled stem with rooting medium and allowing adventitious roots to form.

a)

Air Layering

b)

Compound Layering

c)

Mound Layering

d)

Simple Layering

e)

Trench Layering